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Date: Sun, 6 Nov 2022 14:49:50 -0800
From: Guenter Roeck <linux@...ck-us.net>
To: Steven Rostedt <rostedt@...dmis.org>
Cc: linux-kernel@...r.kernel.org,
Linus Torvalds <torvalds@...ux-foundation.org>,
Thomas Gleixner <tglx@...utronix.de>,
Stephen Boyd <sboyd@...nel.org>,
Anna-Maria Gleixner <anna-maria@...utronix.de>,
Andrew Morton <akpm@...ux-foundation.org>,
Julia Lawall <Julia.Lawall@...ia.fr>
Subject: Re: [PATCH v6a 5/5] treewide: Convert del_timer*() to
timer_shutdown*()
On Sun, Nov 06, 2022 at 04:24:32PM -0500, Steven Rostedt wrote:
> From: "Steven Rostedt (Google)" <rostedt@...dmis.org>
>
> Due to several bugs caused by timers being re-armed after they are
> shutdown and just before they are freed, a new state of timers was added
> called "shutdown". After a timer is set to this state, then it can no
> longer be re-armed, and will trigger a warning if it is.
>
> The following script was run to find all the trivial locations where
> del_timer() or del_timer_sync() is called in the same function that the
> object holding the timer is freed. It also ignores any locations where the
> timer->function is modified between the del_timer*() and the free(), as
> that is not considered a "trivial" case.
>
> The coccinelle script:
>
> @@
> expression E, ptr, slab;
> identifier timer, rfield;
> @@
> (
> - del_timer(&ptr->timer);
> + timer_shutdown(&ptr->timer);
> |
> - del_timer_sync(&ptr->timer);
> + timer_shutdown_sync(&ptr->timer);
> )
> ... when strict
> when != ptr->timer.function = E;
> (
> kfree_rcu(ptr, rfield);
> |
> kmem_cache_free(slab, ptr);
> |
> kfree(ptr);
> )
>
> Signed-off-by: Steven Rostedt (Google) <rostedt@...dmis.org>
Tested-by: Guenter Roeck <linux@...ck-us.net>
> ---
> arch/sh/drivers/push-switch.c | 2 +-
> block/blk-iocost.c | 2 +-
> block/blk-iolatency.c | 2 +-
> block/kyber-iosched.c | 2 +-
> drivers/acpi/apei/ghes.c | 2 +-
> drivers/atm/idt77252.c | 6 +++---
> drivers/block/drbd/drbd_main.c | 2 +-
> drivers/block/loop.c | 2 +-
> drivers/bluetooth/hci_bcsp.c | 2 +-
> drivers/bluetooth/hci_qca.c | 4 ++--
> drivers/gpu/drm/i915/i915_sw_fence.c | 2 +-
> drivers/hid/hid-wiimote-core.c | 2 +-
> drivers/input/keyboard/locomokbd.c | 2 +-
> drivers/input/keyboard/omap-keypad.c | 2 +-
> drivers/input/mouse/alps.c | 2 +-
> drivers/isdn/mISDN/l1oip_core.c | 4 ++--
> drivers/isdn/mISDN/timerdev.c | 4 ++--
> drivers/leds/trigger/ledtrig-activity.c | 2 +-
> drivers/leds/trigger/ledtrig-heartbeat.c | 2 +-
> drivers/leds/trigger/ledtrig-pattern.c | 2 +-
> drivers/leds/trigger/ledtrig-transient.c | 2 +-
> drivers/media/pci/ivtv/ivtv-driver.c | 2 +-
> drivers/media/usb/pvrusb2/pvrusb2-hdw.c | 16 ++++++++--------
> drivers/media/usb/s2255/s2255drv.c | 4 ++--
> drivers/net/ethernet/intel/i40e/i40e_main.c | 6 +++---
> drivers/net/ethernet/marvell/sky2.c | 2 +-
> drivers/net/ethernet/sun/sunvnet.c | 2 +-
> drivers/net/usb/sierra_net.c | 2 +-
> .../broadcom/brcm80211/brcmfmac/btcoex.c | 2 +-
> drivers/net/wireless/intel/iwlwifi/iwl-dbg-tlv.c | 2 +-
> drivers/net/wireless/intel/iwlwifi/mvm/sta.c | 2 +-
> drivers/net/wireless/intersil/hostap/hostap_ap.c | 2 +-
> drivers/net/wireless/marvell/mwifiex/main.c | 2 +-
> drivers/net/wireless/microchip/wilc1000/hif.c | 6 +++---
> drivers/nfc/pn533/pn533.c | 2 +-
> drivers/nfc/pn533/uart.c | 2 +-
> drivers/pcmcia/bcm63xx_pcmcia.c | 2 +-
> drivers/pcmcia/electra_cf.c | 2 +-
> drivers/pcmcia/omap_cf.c | 2 +-
> drivers/pcmcia/pd6729.c | 4 ++--
> drivers/pcmcia/yenta_socket.c | 4 ++--
> drivers/scsi/qla2xxx/qla_edif.c | 4 ++--
> .../staging/media/atomisp/i2c/atomisp-lm3554.c | 2 +-
> drivers/tty/n_gsm.c | 2 +-
> drivers/tty/sysrq.c | 2 +-
> drivers/usb/gadget/udc/m66592-udc.c | 2 +-
> drivers/usb/serial/garmin_gps.c | 2 +-
> drivers/usb/serial/mos7840.c | 4 ++--
> fs/ext4/super.c | 2 +-
> fs/nilfs2/segment.c | 2 +-
> net/802/garp.c | 2 +-
> net/802/mrp.c | 4 ++--
> net/bridge/br_multicast.c | 8 ++++----
> net/bridge/br_multicast_eht.c | 4 ++--
> net/core/gen_estimator.c | 2 +-
> net/ipv4/ipmr.c | 2 +-
> net/ipv6/ip6mr.c | 2 +-
> net/mac80211/mesh_pathtbl.c | 2 +-
> net/netfilter/ipset/ip_set_list_set.c | 2 +-
> net/netfilter/ipvs/ip_vs_lblc.c | 2 +-
> net/netfilter/ipvs/ip_vs_lblcr.c | 2 +-
> net/netfilter/xt_IDLETIMER.c | 4 ++--
> net/netfilter/xt_LED.c | 2 +-
> net/rxrpc/conn_object.c | 2 +-
> net/sched/cls_flow.c | 2 +-
> net/sunrpc/svc.c | 2 +-
> net/tipc/discover.c | 2 +-
> net/tipc/monitor.c | 2 +-
> sound/i2c/other/ak4117.c | 2 +-
> sound/synth/emux/emux.c | 2 +-
> 70 files changed, 97 insertions(+), 97 deletions(-)
>
> diff --git a/arch/sh/drivers/push-switch.c b/arch/sh/drivers/push-switch.c
> index 2813140fd92b..c95f48ff3f6f 100644
> --- a/arch/sh/drivers/push-switch.c
> +++ b/arch/sh/drivers/push-switch.c
> @@ -102,7 +102,7 @@ static int switch_drv_remove(struct platform_device *pdev)
>
> platform_set_drvdata(pdev, NULL);
> flush_work(&psw->work);
> - del_timer_sync(&psw->debounce);
> + timer_shutdown_sync(&psw->debounce);
> free_irq(irq, pdev);
>
> kfree(psw);
> diff --git a/block/blk-iocost.c b/block/blk-iocost.c
> index 495396425bad..7edc695b3a3d 100644
> --- a/block/blk-iocost.c
> +++ b/block/blk-iocost.c
> @@ -2814,7 +2814,7 @@ static void ioc_rqos_exit(struct rq_qos *rqos)
> ioc->running = IOC_STOP;
> spin_unlock_irq(&ioc->lock);
>
> - del_timer_sync(&ioc->timer);
> + timer_shutdown_sync(&ioc->timer);
> free_percpu(ioc->pcpu_stat);
> kfree(ioc);
> }
> diff --git a/block/blk-iolatency.c b/block/blk-iolatency.c
> index 571fa95aafe9..c7049ab18312 100644
> --- a/block/blk-iolatency.c
> +++ b/block/blk-iolatency.c
> @@ -645,7 +645,7 @@ static void blkcg_iolatency_exit(struct rq_qos *rqos)
> {
> struct blk_iolatency *blkiolat = BLKIOLATENCY(rqos);
>
> - del_timer_sync(&blkiolat->timer);
> + timer_shutdown_sync(&blkiolat->timer);
> flush_work(&blkiolat->enable_work);
> blkcg_deactivate_policy(rqos->q, &blkcg_policy_iolatency);
> kfree(blkiolat);
> diff --git a/block/kyber-iosched.c b/block/kyber-iosched.c
> index b05357bced99..2146969237bf 100644
> --- a/block/kyber-iosched.c
> +++ b/block/kyber-iosched.c
> @@ -434,7 +434,7 @@ static void kyber_exit_sched(struct elevator_queue *e)
> struct kyber_queue_data *kqd = e->elevator_data;
> int i;
>
> - del_timer_sync(&kqd->timer);
> + timer_shutdown_sync(&kqd->timer);
> blk_stat_disable_accounting(kqd->q);
>
> for (i = 0; i < KYBER_NUM_DOMAINS; i++)
> diff --git a/drivers/acpi/apei/ghes.c b/drivers/acpi/apei/ghes.c
> index 9952f3a792ba..9a0e41c21cf9 100644
> --- a/drivers/acpi/apei/ghes.c
> +++ b/drivers/acpi/apei/ghes.c
> @@ -1405,7 +1405,7 @@ static int ghes_remove(struct platform_device *ghes_dev)
> ghes->flags |= GHES_EXITING;
> switch (generic->notify.type) {
> case ACPI_HEST_NOTIFY_POLLED:
> - del_timer_sync(&ghes->timer);
> + timer_shutdown_sync(&ghes->timer);
> break;
> case ACPI_HEST_NOTIFY_EXTERNAL:
> free_irq(ghes->irq, ghes);
> diff --git a/drivers/atm/idt77252.c b/drivers/atm/idt77252.c
> index 681cb3786794..eec0cc2144e0 100644
> --- a/drivers/atm/idt77252.c
> +++ b/drivers/atm/idt77252.c
> @@ -2213,7 +2213,7 @@ idt77252_init_ubr(struct idt77252_dev *card, struct vc_map *vc,
> }
> spin_unlock_irqrestore(&vc->lock, flags);
> if (est) {
> - del_timer_sync(&est->timer);
> + timer_shutdown_sync(&est->timer);
> kfree(est);
> }
>
> @@ -2530,7 +2530,7 @@ idt77252_close(struct atm_vcc *vcc)
> vc->tx_vcc = NULL;
>
> if (vc->estimator) {
> - del_timer(&vc->estimator->timer);
> + timer_shutdown(&vc->estimator->timer);
> kfree(vc->estimator);
> vc->estimator = NULL;
> }
> @@ -3752,7 +3752,7 @@ static void __exit idt77252_exit(void)
> card = idt77252_chain;
> dev = card->atmdev;
> idt77252_chain = card->next;
> - del_timer_sync(&card->tst_timer);
> + timer_shutdown_sync(&card->tst_timer);
>
> if (dev->phy->stop)
> dev->phy->stop(dev);
> diff --git a/drivers/block/drbd/drbd_main.c b/drivers/block/drbd/drbd_main.c
> index f3e4db16fd07..2dc5be89a001 100644
> --- a/drivers/block/drbd/drbd_main.c
> +++ b/drivers/block/drbd/drbd_main.c
> @@ -2184,7 +2184,7 @@ void drbd_destroy_device(struct kref *kref)
> struct drbd_resource *resource = device->resource;
> struct drbd_peer_device *peer_device, *tmp_peer_device;
>
> - del_timer_sync(&device->request_timer);
> + timer_shutdown_sync(&device->request_timer);
>
> /* paranoia asserts */
> D_ASSERT(device, device->open_cnt == 0);
> diff --git a/drivers/block/loop.c b/drivers/block/loop.c
> index ad92192c7d61..3ea087cd1f99 100644
> --- a/drivers/block/loop.c
> +++ b/drivers/block/loop.c
> @@ -1755,7 +1755,7 @@ static void lo_free_disk(struct gendisk *disk)
> if (lo->workqueue)
> destroy_workqueue(lo->workqueue);
> loop_free_idle_workers(lo, true);
> - del_timer_sync(&lo->timer);
> + timer_shutdown_sync(&lo->timer);
> mutex_destroy(&lo->lo_mutex);
> kfree(lo);
> }
> diff --git a/drivers/bluetooth/hci_bcsp.c b/drivers/bluetooth/hci_bcsp.c
> index cf4a56095817..834b2efaa9bf 100644
> --- a/drivers/bluetooth/hci_bcsp.c
> +++ b/drivers/bluetooth/hci_bcsp.c
> @@ -737,7 +737,7 @@ static int bcsp_close(struct hci_uart *hu)
> {
> struct bcsp_struct *bcsp = hu->priv;
>
> - del_timer_sync(&bcsp->tbcsp);
> + timer_shutdown_sync(&bcsp->tbcsp);
>
> hu->priv = NULL;
>
> diff --git a/drivers/bluetooth/hci_qca.c b/drivers/bluetooth/hci_qca.c
> index 8df11016fd51..eb81296b284c 100644
> --- a/drivers/bluetooth/hci_qca.c
> +++ b/drivers/bluetooth/hci_qca.c
> @@ -697,8 +697,8 @@ static int qca_close(struct hci_uart *hu)
> skb_queue_purge(&qca->txq);
> skb_queue_purge(&qca->rx_memdump_q);
> destroy_workqueue(qca->workqueue);
> - del_timer_sync(&qca->tx_idle_timer);
> - del_timer_sync(&qca->wake_retrans_timer);
> + timer_shutdown_sync(&qca->tx_idle_timer);
> + timer_shutdown_sync(&qca->wake_retrans_timer);
> qca->hu = NULL;
>
> kfree_skb(qca->rx_skb);
> diff --git a/drivers/gpu/drm/i915/i915_sw_fence.c b/drivers/gpu/drm/i915/i915_sw_fence.c
> index 6fc0d1b89690..bfaa9a67dc35 100644
> --- a/drivers/gpu/drm/i915/i915_sw_fence.c
> +++ b/drivers/gpu/drm/i915/i915_sw_fence.c
> @@ -465,7 +465,7 @@ static void irq_i915_sw_fence_work(struct irq_work *wrk)
> struct i915_sw_dma_fence_cb_timer *cb =
> container_of(wrk, typeof(*cb), work);
>
> - del_timer_sync(&cb->timer);
> + timer_shutdown_sync(&cb->timer);
> dma_fence_put(cb->dma);
>
> kfree_rcu(cb, rcu);
> diff --git a/drivers/hid/hid-wiimote-core.c b/drivers/hid/hid-wiimote-core.c
> index 4399d6c6afef..2c94308dda3c 100644
> --- a/drivers/hid/hid-wiimote-core.c
> +++ b/drivers/hid/hid-wiimote-core.c
> @@ -1764,7 +1764,7 @@ static void wiimote_destroy(struct wiimote_data *wdata)
> spin_unlock_irqrestore(&wdata->state.lock, flags);
>
> cancel_work_sync(&wdata->init_worker);
> - del_timer_sync(&wdata->timer);
> + timer_shutdown_sync(&wdata->timer);
>
> device_remove_file(&wdata->hdev->dev, &dev_attr_devtype);
> device_remove_file(&wdata->hdev->dev, &dev_attr_extension);
> diff --git a/drivers/input/keyboard/locomokbd.c b/drivers/input/keyboard/locomokbd.c
> index dae053596572..f866c03b9d0e 100644
> --- a/drivers/input/keyboard/locomokbd.c
> +++ b/drivers/input/keyboard/locomokbd.c
> @@ -310,7 +310,7 @@ static void locomokbd_remove(struct locomo_dev *dev)
>
> free_irq(dev->irq[0], locomokbd);
>
> - del_timer_sync(&locomokbd->timer);
> + timer_shutdown_sync(&locomokbd->timer);
>
> input_unregister_device(locomokbd->input);
> locomo_set_drvdata(dev, NULL);
> diff --git a/drivers/input/keyboard/omap-keypad.c b/drivers/input/keyboard/omap-keypad.c
> index 57447d6c9007..24440b498645 100644
> --- a/drivers/input/keyboard/omap-keypad.c
> +++ b/drivers/input/keyboard/omap-keypad.c
> @@ -296,7 +296,7 @@ static int omap_kp_remove(struct platform_device *pdev)
> omap_writew(1, OMAP1_MPUIO_BASE + OMAP_MPUIO_KBD_MASKIT);
> free_irq(omap_kp->irq, omap_kp);
>
> - del_timer_sync(&omap_kp->timer);
> + timer_shutdown_sync(&omap_kp->timer);
> tasklet_kill(&kp_tasklet);
>
> /* unregister everything */
> diff --git a/drivers/input/mouse/alps.c b/drivers/input/mouse/alps.c
> index 4a6b33bbe7ea..989228b5a0a4 100644
> --- a/drivers/input/mouse/alps.c
> +++ b/drivers/input/mouse/alps.c
> @@ -2970,7 +2970,7 @@ static void alps_disconnect(struct psmouse *psmouse)
> struct alps_data *priv = psmouse->private;
>
> psmouse_reset(psmouse);
> - del_timer_sync(&priv->timer);
> + timer_shutdown_sync(&priv->timer);
> if (priv->dev2)
> input_unregister_device(priv->dev2);
> if (!IS_ERR_OR_NULL(priv->dev3))
> diff --git a/drivers/isdn/mISDN/l1oip_core.c b/drivers/isdn/mISDN/l1oip_core.c
> index a77195e378b7..182e3f489c60 100644
> --- a/drivers/isdn/mISDN/l1oip_core.c
> +++ b/drivers/isdn/mISDN/l1oip_core.c
> @@ -1236,8 +1236,8 @@ release_card(struct l1oip *hc)
>
> hc->shutdown = true;
>
> - del_timer_sync(&hc->keep_tl);
> - del_timer_sync(&hc->timeout_tl);
> + timer_shutdown_sync(&hc->keep_tl);
> + timer_shutdown_sync(&hc->timeout_tl);
>
> cancel_work_sync(&hc->workq);
>
> diff --git a/drivers/isdn/mISDN/timerdev.c b/drivers/isdn/mISDN/timerdev.c
> index abdf36ac3bee..83d6b484d3c6 100644
> --- a/drivers/isdn/mISDN/timerdev.c
> +++ b/drivers/isdn/mISDN/timerdev.c
> @@ -74,7 +74,7 @@ mISDN_close(struct inode *ino, struct file *filep)
> while (!list_empty(list)) {
> timer = list_first_entry(list, struct mISDNtimer, list);
> spin_unlock_irq(&dev->lock);
> - del_timer_sync(&timer->tl);
> + timer_shutdown_sync(&timer->tl);
> spin_lock_irq(&dev->lock);
> /* it might have been moved to ->expired */
> list_del(&timer->list);
> @@ -204,7 +204,7 @@ misdn_del_timer(struct mISDNtimerdev *dev, int id)
> list_del_init(&timer->list);
> timer->id = -1;
> spin_unlock_irq(&dev->lock);
> - del_timer_sync(&timer->tl);
> + timer_shutdown_sync(&timer->tl);
> kfree(timer);
> return id;
> }
> diff --git a/drivers/leds/trigger/ledtrig-activity.c b/drivers/leds/trigger/ledtrig-activity.c
> index 30bc9df03636..33cbf8413658 100644
> --- a/drivers/leds/trigger/ledtrig-activity.c
> +++ b/drivers/leds/trigger/ledtrig-activity.c
> @@ -208,7 +208,7 @@ static void activity_deactivate(struct led_classdev *led_cdev)
> {
> struct activity_data *activity_data = led_get_trigger_data(led_cdev);
>
> - del_timer_sync(&activity_data->timer);
> + timer_shutdown_sync(&activity_data->timer);
> kfree(activity_data);
> clear_bit(LED_BLINK_SW, &led_cdev->work_flags);
> }
> diff --git a/drivers/leds/trigger/ledtrig-heartbeat.c b/drivers/leds/trigger/ledtrig-heartbeat.c
> index 7fe0a05574d2..393b3ae832f4 100644
> --- a/drivers/leds/trigger/ledtrig-heartbeat.c
> +++ b/drivers/leds/trigger/ledtrig-heartbeat.c
> @@ -151,7 +151,7 @@ static void heartbeat_trig_deactivate(struct led_classdev *led_cdev)
> struct heartbeat_trig_data *heartbeat_data =
> led_get_trigger_data(led_cdev);
>
> - del_timer_sync(&heartbeat_data->timer);
> + timer_shutdown_sync(&heartbeat_data->timer);
> kfree(heartbeat_data);
> clear_bit(LED_BLINK_SW, &led_cdev->work_flags);
> }
> diff --git a/drivers/leds/trigger/ledtrig-pattern.c b/drivers/leds/trigger/ledtrig-pattern.c
> index 43a265dc4696..e996d61e3bd6 100644
> --- a/drivers/leds/trigger/ledtrig-pattern.c
> +++ b/drivers/leds/trigger/ledtrig-pattern.c
> @@ -430,7 +430,7 @@ static void pattern_trig_deactivate(struct led_classdev *led_cdev)
> if (led_cdev->pattern_clear)
> led_cdev->pattern_clear(led_cdev);
>
> - del_timer_sync(&data->timer);
> + timer_shutdown_sync(&data->timer);
>
> led_set_brightness(led_cdev, LED_OFF);
> kfree(data);
> diff --git a/drivers/leds/trigger/ledtrig-transient.c b/drivers/leds/trigger/ledtrig-transient.c
> index 80635183fac8..f111fa7635e5 100644
> --- a/drivers/leds/trigger/ledtrig-transient.c
> +++ b/drivers/leds/trigger/ledtrig-transient.c
> @@ -180,7 +180,7 @@ static void transient_trig_deactivate(struct led_classdev *led_cdev)
> {
> struct transient_trig_data *transient_data = led_get_trigger_data(led_cdev);
>
> - del_timer_sync(&transient_data->timer);
> + timer_shutdown_sync(&transient_data->timer);
> led_set_brightness_nosleep(led_cdev, transient_data->restore_state);
> kfree(transient_data);
> }
> diff --git a/drivers/media/pci/ivtv/ivtv-driver.c b/drivers/media/pci/ivtv/ivtv-driver.c
> index f5846c22c799..ba503d820e48 100644
> --- a/drivers/media/pci/ivtv/ivtv-driver.c
> +++ b/drivers/media/pci/ivtv/ivtv-driver.c
> @@ -1425,7 +1425,7 @@ static void ivtv_remove(struct pci_dev *pdev)
>
> /* Interrupts */
> ivtv_set_irq_mask(itv, 0xffffffff);
> - del_timer_sync(&itv->dma_timer);
> + timer_shutdown_sync(&itv->dma_timer);
>
> /* Kill irq worker */
> kthread_flush_worker(&itv->irq_worker);
> diff --git a/drivers/media/usb/pvrusb2/pvrusb2-hdw.c b/drivers/media/usb/pvrusb2/pvrusb2-hdw.c
> index 62ff1fa1c753..75c89b07e86a 100644
> --- a/drivers/media/usb/pvrusb2/pvrusb2-hdw.c
> +++ b/drivers/media/usb/pvrusb2/pvrusb2-hdw.c
> @@ -2605,10 +2605,10 @@ struct pvr2_hdw *pvr2_hdw_create(struct usb_interface *intf,
> return hdw;
> fail:
> if (hdw) {
> - del_timer_sync(&hdw->quiescent_timer);
> - del_timer_sync(&hdw->decoder_stabilization_timer);
> - del_timer_sync(&hdw->encoder_run_timer);
> - del_timer_sync(&hdw->encoder_wait_timer);
> + timer_shutdown_sync(&hdw->quiescent_timer);
> + timer_shutdown_sync(&hdw->decoder_stabilization_timer);
> + timer_shutdown_sync(&hdw->encoder_run_timer);
> + timer_shutdown_sync(&hdw->encoder_wait_timer);
> flush_work(&hdw->workpoll);
> v4l2_device_unregister(&hdw->v4l2_dev);
> usb_free_urb(hdw->ctl_read_urb);
> @@ -2668,10 +2668,10 @@ void pvr2_hdw_destroy(struct pvr2_hdw *hdw)
> if (!hdw) return;
> pvr2_trace(PVR2_TRACE_INIT,"pvr2_hdw_destroy: hdw=%p",hdw);
> flush_work(&hdw->workpoll);
> - del_timer_sync(&hdw->quiescent_timer);
> - del_timer_sync(&hdw->decoder_stabilization_timer);
> - del_timer_sync(&hdw->encoder_run_timer);
> - del_timer_sync(&hdw->encoder_wait_timer);
> + timer_shutdown_sync(&hdw->quiescent_timer);
> + timer_shutdown_sync(&hdw->decoder_stabilization_timer);
> + timer_shutdown_sync(&hdw->encoder_run_timer);
> + timer_shutdown_sync(&hdw->encoder_wait_timer);
> if (hdw->fw_buffer) {
> kfree(hdw->fw_buffer);
> hdw->fw_buffer = NULL;
> diff --git a/drivers/media/usb/s2255/s2255drv.c b/drivers/media/usb/s2255/s2255drv.c
> index acf18e2251a5..3c2627712fe9 100644
> --- a/drivers/media/usb/s2255/s2255drv.c
> +++ b/drivers/media/usb/s2255/s2255drv.c
> @@ -1487,7 +1487,7 @@ static void s2255_destroy(struct s2255_dev *dev)
> /* board shutdown stops the read pipe if it is running */
> s2255_board_shutdown(dev);
> /* make sure firmware still not trying to load */
> - del_timer_sync(&dev->timer); /* only started in .probe and .open */
> + timer_shutdown_sync(&dev->timer); /* only started in .probe and .open */
> if (dev->fw_data->fw_urb) {
> usb_kill_urb(dev->fw_data->fw_urb);
> usb_free_urb(dev->fw_data->fw_urb);
> @@ -2322,7 +2322,7 @@ static int s2255_probe(struct usb_interface *interface,
> errorFWDATA2:
> usb_free_urb(dev->fw_data->fw_urb);
> errorFWURB:
> - del_timer_sync(&dev->timer);
> + timer_shutdown_sync(&dev->timer);
> errorEP:
> usb_put_dev(dev->udev);
> errorUDEV:
> diff --git a/drivers/net/ethernet/intel/i40e/i40e_main.c b/drivers/net/ethernet/intel/i40e/i40e_main.c
> index b5dcd15ced36..54d5eed32743 100644
> --- a/drivers/net/ethernet/intel/i40e/i40e_main.c
> +++ b/drivers/net/ethernet/intel/i40e/i40e_main.c
> @@ -15530,7 +15530,7 @@ static int i40e_init_recovery_mode(struct i40e_pf *pf, struct i40e_hw *hw)
>
> err_switch_setup:
> i40e_reset_interrupt_capability(pf);
> - del_timer_sync(&pf->service_timer);
> + timer_shutdown_sync(&pf->service_timer);
> i40e_shutdown_adminq(hw);
> iounmap(hw->hw_addr);
> pci_disable_pcie_error_reporting(pf->pdev);
> @@ -16149,7 +16149,7 @@ static int i40e_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
> kfree(pf->vsi);
> err_switch_setup:
> i40e_reset_interrupt_capability(pf);
> - del_timer_sync(&pf->service_timer);
> + timer_shutdown_sync(&pf->service_timer);
> err_mac_addr:
> err_configure_lan_hmc:
> (void)i40e_shutdown_lan_hmc(hw);
> @@ -16211,7 +16211,7 @@ static void i40e_remove(struct pci_dev *pdev)
> set_bit(__I40E_SUSPENDED, pf->state);
> set_bit(__I40E_DOWN, pf->state);
> if (pf->service_timer.function)
> - del_timer_sync(&pf->service_timer);
> + timer_shutdown_sync(&pf->service_timer);
> if (pf->service_task.func)
> cancel_work_sync(&pf->service_task);
>
> diff --git a/drivers/net/ethernet/marvell/sky2.c b/drivers/net/ethernet/marvell/sky2.c
> index ab33ba1c3023..dc571e076180 100644
> --- a/drivers/net/ethernet/marvell/sky2.c
> +++ b/drivers/net/ethernet/marvell/sky2.c
> @@ -5013,7 +5013,7 @@ static void sky2_remove(struct pci_dev *pdev)
> if (!hw)
> return;
>
> - del_timer_sync(&hw->watchdog_timer);
> + timer_shutdown_sync(&hw->watchdog_timer);
> cancel_work_sync(&hw->restart_work);
>
> for (i = hw->ports-1; i >= 0; --i)
> diff --git a/drivers/net/ethernet/sun/sunvnet.c b/drivers/net/ethernet/sun/sunvnet.c
> index acda6cbd0238..fe86fbd58586 100644
> --- a/drivers/net/ethernet/sun/sunvnet.c
> +++ b/drivers/net/ethernet/sun/sunvnet.c
> @@ -524,7 +524,7 @@ static void vnet_port_remove(struct vio_dev *vdev)
> hlist_del_rcu(&port->hash);
>
> synchronize_rcu();
> - del_timer_sync(&port->clean_timer);
> + timer_shutdown_sync(&port->clean_timer);
> sunvnet_port_rm_txq_common(port);
> netif_napi_del(&port->napi);
> sunvnet_port_free_tx_bufs_common(port);
> diff --git a/drivers/net/usb/sierra_net.c b/drivers/net/usb/sierra_net.c
> index b3ae949e6f1c..673d3aa83792 100644
> --- a/drivers/net/usb/sierra_net.c
> +++ b/drivers/net/usb/sierra_net.c
> @@ -759,7 +759,7 @@ static void sierra_net_unbind(struct usbnet *dev, struct usb_interface *intf)
> dev_dbg(&dev->udev->dev, "%s", __func__);
>
> /* kill the timer and work */
> - del_timer_sync(&priv->sync_timer);
> + timer_shutdown_sync(&priv->sync_timer);
> cancel_work_sync(&priv->sierra_net_kevent);
>
> /* tell modem we are going away */
> diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/btcoex.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/btcoex.c
> index f9f18ff451ea..7ea2631b8069 100644
> --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/btcoex.c
> +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/btcoex.c
> @@ -394,7 +394,7 @@ void brcmf_btcoex_detach(struct brcmf_cfg80211_info *cfg)
>
> if (cfg->btcoex->timer_on) {
> cfg->btcoex->timer_on = false;
> - del_timer_sync(&cfg->btcoex->timer);
> + timer_shutdown_sync(&cfg->btcoex->timer);
> }
>
> cancel_work_sync(&cfg->btcoex->work);
> diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-dbg-tlv.c b/drivers/net/wireless/intel/iwlwifi/iwl-dbg-tlv.c
> index 3237d4b528b5..119d83acafd1 100644
> --- a/drivers/net/wireless/intel/iwlwifi/iwl-dbg-tlv.c
> +++ b/drivers/net/wireless/intel/iwlwifi/iwl-dbg-tlv.c
> @@ -371,7 +371,7 @@ void iwl_dbg_tlv_del_timers(struct iwl_trans *trans)
> struct iwl_dbg_tlv_timer_node *node, *tmp;
>
> list_for_each_entry_safe(node, tmp, timer_list, list) {
> - del_timer_sync(&node->timer);
> + timer_shutdown_sync(&node->timer);
> list_del(&node->list);
> kfree(node);
> }
> diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/sta.c b/drivers/net/wireless/intel/iwlwifi/mvm/sta.c
> index cbd8053a9e35..76ea44cebd90 100644
> --- a/drivers/net/wireless/intel/iwlwifi/mvm/sta.c
> +++ b/drivers/net/wireless/intel/iwlwifi/mvm/sta.c
> @@ -2826,7 +2826,7 @@ int iwl_mvm_sta_rx_agg(struct iwl_mvm *mvm, struct ieee80211_sta *sta,
>
> /* synchronize all rx queues so we can safely delete */
> iwl_mvm_free_reorder(mvm, baid_data);
> - del_timer_sync(&baid_data->session_timer);
> + timer_shutdown_sync(&baid_data->session_timer);
> RCU_INIT_POINTER(mvm->baid_map[baid], NULL);
> kfree_rcu(baid_data, rcu_head);
> IWL_DEBUG_HT(mvm, "BAID %d is free\n", baid);
> diff --git a/drivers/net/wireless/intersil/hostap/hostap_ap.c b/drivers/net/wireless/intersil/hostap/hostap_ap.c
> index 462ccc7d7d1a..9b546a71e7a2 100644
> --- a/drivers/net/wireless/intersil/hostap/hostap_ap.c
> +++ b/drivers/net/wireless/intersil/hostap/hostap_ap.c
> @@ -135,7 +135,7 @@ static void ap_free_sta(struct ap_data *ap, struct sta_info *sta)
>
> if (!sta->ap)
> kfree(sta->u.sta.challenge);
> - del_timer_sync(&sta->timer);
> + timer_shutdown_sync(&sta->timer);
> #endif /* PRISM2_NO_KERNEL_IEEE80211_MGMT */
>
> kfree(sta);
> diff --git a/drivers/net/wireless/marvell/mwifiex/main.c b/drivers/net/wireless/marvell/mwifiex/main.c
> index da2e6557e684..ea22a08e6c08 100644
> --- a/drivers/net/wireless/marvell/mwifiex/main.c
> +++ b/drivers/net/wireless/marvell/mwifiex/main.c
> @@ -123,7 +123,7 @@ static int mwifiex_unregister(struct mwifiex_adapter *adapter)
> if (adapter->if_ops.cleanup_if)
> adapter->if_ops.cleanup_if(adapter);
>
> - del_timer_sync(&adapter->cmd_timer);
> + timer_shutdown_sync(&adapter->cmd_timer);
>
> /* Free private structures */
> for (i = 0; i < adapter->priv_num; i++) {
> diff --git a/drivers/net/wireless/microchip/wilc1000/hif.c b/drivers/net/wireless/microchip/wilc1000/hif.c
> index eb1d1ba3a443..131f9fd97c37 100644
> --- a/drivers/net/wireless/microchip/wilc1000/hif.c
> +++ b/drivers/net/wireless/microchip/wilc1000/hif.c
> @@ -1520,10 +1520,10 @@ int wilc_deinit(struct wilc_vif *vif)
>
> mutex_lock(&vif->wilc->deinit_lock);
>
> - del_timer_sync(&hif_drv->scan_timer);
> - del_timer_sync(&hif_drv->connect_timer);
> + timer_shutdown_sync(&hif_drv->scan_timer);
> + timer_shutdown_sync(&hif_drv->connect_timer);
> del_timer_sync(&vif->periodic_rssi);
> - del_timer_sync(&hif_drv->remain_on_ch_timer);
> + timer_shutdown_sync(&hif_drv->remain_on_ch_timer);
>
> if (hif_drv->usr_scan_req.scan_result) {
> hif_drv->usr_scan_req.scan_result(SCAN_EVENT_ABORTED, NULL,
> diff --git a/drivers/nfc/pn533/pn533.c b/drivers/nfc/pn533/pn533.c
> index d9f6367b9993..0a1d0b4e3bb8 100644
> --- a/drivers/nfc/pn533/pn533.c
> +++ b/drivers/nfc/pn533/pn533.c
> @@ -2788,7 +2788,7 @@ void pn53x_common_clean(struct pn533 *priv)
> struct pn533_cmd *cmd, *n;
>
> /* delete the timer before cleanup the worker */
> - del_timer_sync(&priv->listen_timer);
> + timer_shutdown_sync(&priv->listen_timer);
>
> flush_delayed_work(&priv->poll_work);
> destroy_workqueue(priv->wq);
> diff --git a/drivers/nfc/pn533/uart.c b/drivers/nfc/pn533/uart.c
> index 07596bf5f7d6..a556acdb947b 100644
> --- a/drivers/nfc/pn533/uart.c
> +++ b/drivers/nfc/pn533/uart.c
> @@ -310,7 +310,7 @@ static void pn532_uart_remove(struct serdev_device *serdev)
> pn53x_unregister_nfc(pn532->priv);
> serdev_device_close(serdev);
> pn53x_common_clean(pn532->priv);
> - del_timer_sync(&pn532->cmd_timeout);
> + timer_shutdown_sync(&pn532->cmd_timeout);
> kfree_skb(pn532->recv_skb);
> kfree(pn532);
> }
> diff --git a/drivers/pcmcia/bcm63xx_pcmcia.c b/drivers/pcmcia/bcm63xx_pcmcia.c
> index bb06311d0b5f..dd3c26099048 100644
> --- a/drivers/pcmcia/bcm63xx_pcmcia.c
> +++ b/drivers/pcmcia/bcm63xx_pcmcia.c
> @@ -443,7 +443,7 @@ static int bcm63xx_drv_pcmcia_remove(struct platform_device *pdev)
> struct resource *res;
>
> skt = platform_get_drvdata(pdev);
> - del_timer_sync(&skt->timer);
> + timer_shutdown_sync(&skt->timer);
> iounmap(skt->base);
> iounmap(skt->io_base);
> res = skt->reg_res;
> diff --git a/drivers/pcmcia/electra_cf.c b/drivers/pcmcia/electra_cf.c
> index 40a5cffe24a4..efc27bc15152 100644
> --- a/drivers/pcmcia/electra_cf.c
> +++ b/drivers/pcmcia/electra_cf.c
> @@ -317,7 +317,7 @@ static int electra_cf_remove(struct platform_device *ofdev)
> cf->active = 0;
> pcmcia_unregister_socket(&cf->socket);
> free_irq(cf->irq, cf);
> - del_timer_sync(&cf->timer);
> + timer_shutdown_sync(&cf->timer);
>
> iounmap(cf->io_virt);
> iounmap(cf->mem_base);
> diff --git a/drivers/pcmcia/omap_cf.c b/drivers/pcmcia/omap_cf.c
> index d3f827d4224a..e613818dc0bc 100644
> --- a/drivers/pcmcia/omap_cf.c
> +++ b/drivers/pcmcia/omap_cf.c
> @@ -296,7 +296,7 @@ static int __exit omap_cf_remove(struct platform_device *pdev)
>
> cf->active = 0;
> pcmcia_unregister_socket(&cf->socket);
> - del_timer_sync(&cf->timer);
> + timer_shutdown_sync(&cf->timer);
> release_mem_region(cf->phys_cf, SZ_8K);
> free_irq(cf->irq, cf);
> kfree(cf);
> diff --git a/drivers/pcmcia/pd6729.c b/drivers/pcmcia/pd6729.c
> index f0af9985ca09..a0a2e7f18356 100644
> --- a/drivers/pcmcia/pd6729.c
> +++ b/drivers/pcmcia/pd6729.c
> @@ -727,7 +727,7 @@ static int pd6729_pci_probe(struct pci_dev *dev,
> if (irq_mode == 1)
> free_irq(dev->irq, socket);
> else
> - del_timer_sync(&socket->poll_timer);
> + timer_shutdown_sync(&socket->poll_timer);
> err_out_free_res:
> pci_release_regions(dev);
> err_out_disable:
> @@ -754,7 +754,7 @@ static void pd6729_pci_remove(struct pci_dev *dev)
> if (irq_mode == 1)
> free_irq(dev->irq, socket);
> else
> - del_timer_sync(&socket->poll_timer);
> + timer_shutdown_sync(&socket->poll_timer);
> pci_release_regions(dev);
> pci_disable_device(dev);
>
> diff --git a/drivers/pcmcia/yenta_socket.c b/drivers/pcmcia/yenta_socket.c
> index 3966a6ceb1ac..1365eaa20ff4 100644
> --- a/drivers/pcmcia/yenta_socket.c
> +++ b/drivers/pcmcia/yenta_socket.c
> @@ -814,7 +814,7 @@ static void yenta_close(struct pci_dev *dev)
> if (sock->cb_irq)
> free_irq(sock->cb_irq, sock);
> else
> - del_timer_sync(&sock->poll_timer);
> + timer_shutdown_sync(&sock->poll_timer);
>
> iounmap(sock->base);
> yenta_free_resources(sock);
> @@ -1285,7 +1285,7 @@ static int yenta_probe(struct pci_dev *dev, const struct pci_device_id *id)
> if (socket->cb_irq)
> free_irq(socket->cb_irq, socket);
> else
> - del_timer_sync(&socket->poll_timer);
> + timer_shutdown_sync(&socket->poll_timer);
> unmap:
> iounmap(socket->base);
> yenta_free_resources(socket);
> diff --git a/drivers/scsi/qla2xxx/qla_edif.c b/drivers/scsi/qla2xxx/qla_edif.c
> index 00ccc41cef14..e4240aae5f9e 100644
> --- a/drivers/scsi/qla2xxx/qla_edif.c
> +++ b/drivers/scsi/qla2xxx/qla_edif.c
> @@ -416,7 +416,7 @@ static void __qla2x00_release_all_sadb(struct scsi_qla_host *vha,
> */
> if (edif_entry->delete_sa_index !=
> INVALID_EDIF_SA_INDEX) {
> - del_timer(&edif_entry->timer);
> + timer_shutdown(&edif_entry->timer);
>
> /* build and send the aen */
> fcport->edif.rx_sa_set = 1;
> @@ -2799,7 +2799,7 @@ qla28xx_sa_update_iocb_entry(scsi_qla_host_t *v, struct req_que *req,
> "%s: removing edif_entry %p, new sa_index: 0x%x\n",
> __func__, edif_entry, pkt->sa_index);
> qla_edif_list_delete_sa_index(sp->fcport, edif_entry);
> - del_timer(&edif_entry->timer);
> + timer_shutdown(&edif_entry->timer);
>
> ql_dbg(ql_dbg_edif, vha, 0x5033,
> "%s: releasing edif_entry %p, new sa_index: 0x%x\n",
> diff --git a/drivers/staging/media/atomisp/i2c/atomisp-lm3554.c b/drivers/staging/media/atomisp/i2c/atomisp-lm3554.c
> index 75d16b525294..c4ce4cd445d7 100644
> --- a/drivers/staging/media/atomisp/i2c/atomisp-lm3554.c
> +++ b/drivers/staging/media/atomisp/i2c/atomisp-lm3554.c
> @@ -921,7 +921,7 @@ static void lm3554_remove(struct i2c_client *client)
>
> atomisp_gmin_remove_subdev(sd);
>
> - del_timer_sync(&flash->flash_off_delay);
> + timer_shutdown_sync(&flash->flash_off_delay);
>
> lm3554_gpio_uninit(client);
>
> diff --git a/drivers/tty/n_gsm.c b/drivers/tty/n_gsm.c
> index 5e516f5cac5a..6f48adecd1d4 100644
> --- a/drivers/tty/n_gsm.c
> +++ b/drivers/tty/n_gsm.c
> @@ -2098,7 +2098,7 @@ static void gsm_dlci_free(struct tty_port *port)
> {
> struct gsm_dlci *dlci = container_of(port, struct gsm_dlci, port);
>
> - del_timer_sync(&dlci->t1);
> + timer_shutdown_sync(&dlci->t1);
> dlci->gsm->dlci[dlci->addr] = NULL;
> kfifo_free(&dlci->fifo);
> while ((dlci->skb = skb_dequeue(&dlci->skb_list)))
> diff --git a/drivers/tty/sysrq.c b/drivers/tty/sysrq.c
> index d2b2720db6ca..b6e70c5cfa17 100644
> --- a/drivers/tty/sysrq.c
> +++ b/drivers/tty/sysrq.c
> @@ -1003,7 +1003,7 @@ static void sysrq_disconnect(struct input_handle *handle)
>
> input_close_device(handle);
> cancel_work_sync(&sysrq->reinject_work);
> - del_timer_sync(&sysrq->keyreset_timer);
> + timer_shutdown_sync(&sysrq->keyreset_timer);
> input_unregister_handle(handle);
> kfree(sysrq);
> }
> diff --git a/drivers/usb/gadget/udc/m66592-udc.c b/drivers/usb/gadget/udc/m66592-udc.c
> index 931e6362a13d..c7e421b449f3 100644
> --- a/drivers/usb/gadget/udc/m66592-udc.c
> +++ b/drivers/usb/gadget/udc/m66592-udc.c
> @@ -1519,7 +1519,7 @@ static int m66592_remove(struct platform_device *pdev)
>
> usb_del_gadget_udc(&m66592->gadget);
>
> - del_timer_sync(&m66592->timer);
> + timer_shutdown_sync(&m66592->timer);
> iounmap(m66592->reg);
> free_irq(platform_get_irq(pdev, 0), m66592);
> m66592_free_request(&m66592->ep[0].ep, m66592->ep0_req);
> diff --git a/drivers/usb/serial/garmin_gps.c b/drivers/usb/serial/garmin_gps.c
> index f1a8d8343623..670e942fdaaa 100644
> --- a/drivers/usb/serial/garmin_gps.c
> +++ b/drivers/usb/serial/garmin_gps.c
> @@ -1405,7 +1405,7 @@ static void garmin_port_remove(struct usb_serial_port *port)
>
> usb_kill_anchored_urbs(&garmin_data_p->write_urbs);
> usb_kill_urb(port->interrupt_in_urb);
> - del_timer_sync(&garmin_data_p->timer);
> + timer_shutdown_sync(&garmin_data_p->timer);
> kfree(garmin_data_p);
> }
>
> diff --git a/drivers/usb/serial/mos7840.c b/drivers/usb/serial/mos7840.c
> index 6b12bb4648b8..73370eaae0ab 100644
> --- a/drivers/usb/serial/mos7840.c
> +++ b/drivers/usb/serial/mos7840.c
> @@ -1725,8 +1725,8 @@ static void mos7840_port_remove(struct usb_serial_port *port)
> /* Turn off LED */
> mos7840_set_led_sync(port, MODEM_CONTROL_REGISTER, 0x0300);
>
> - del_timer_sync(&mos7840_port->led_timer1);
> - del_timer_sync(&mos7840_port->led_timer2);
> + timer_shutdown_sync(&mos7840_port->led_timer1);
> + timer_shutdown_sync(&mos7840_port->led_timer2);
>
> usb_kill_urb(mos7840_port->led_urb);
> usb_free_urb(mos7840_port->led_urb);
> diff --git a/fs/ext4/super.c b/fs/ext4/super.c
> index 7950904fbf04..f54ed936d800 100644
> --- a/fs/ext4/super.c
> +++ b/fs/ext4/super.c
> @@ -1225,7 +1225,7 @@ static void ext4_put_super(struct super_block *sb)
> }
>
> ext4_es_unregister_shrinker(sbi);
> - del_timer_sync(&sbi->s_err_report);
> + timer_shutdown_sync(&sbi->s_err_report);
> ext4_release_system_zone(sb);
> ext4_mb_release(sb);
> ext4_ext_release(sb);
> diff --git a/fs/nilfs2/segment.c b/fs/nilfs2/segment.c
> index b4cebad21b48..c50dc377da26 100644
> --- a/fs/nilfs2/segment.c
> +++ b/fs/nilfs2/segment.c
> @@ -2752,7 +2752,7 @@ static void nilfs_segctor_destroy(struct nilfs_sc_info *sci)
>
> down_write(&nilfs->ns_segctor_sem);
>
> - del_timer_sync(&sci->sc_timer);
> + timer_shutdown_sync(&sci->sc_timer);
> kfree(sci);
> }
>
> diff --git a/net/802/garp.c b/net/802/garp.c
> index fc9eb02a912f..87b2ddfe86ac 100644
> --- a/net/802/garp.c
> +++ b/net/802/garp.c
> @@ -618,7 +618,7 @@ void garp_uninit_applicant(struct net_device *dev, struct garp_application *appl
>
> /* Delete timer and generate a final TRANSMIT_PDU event to flush out
> * all pending messages before the applicant is gone. */
> - del_timer_sync(&app->join_timer);
> + timer_shutdown_sync(&app->join_timer);
>
> spin_lock_bh(&app->lock);
> garp_gid_event(app, GARP_EVENT_TRANSMIT_PDU);
> diff --git a/net/802/mrp.c b/net/802/mrp.c
> index 155f74d8b14f..a069ed16fb99 100644
> --- a/net/802/mrp.c
> +++ b/net/802/mrp.c
> @@ -903,8 +903,8 @@ void mrp_uninit_applicant(struct net_device *dev, struct mrp_application *appl)
> /* Delete timer and generate a final TX event to flush out
> * all pending messages before the applicant is gone.
> */
> - del_timer_sync(&app->join_timer);
> - del_timer_sync(&app->periodic_timer);
> + timer_shutdown_sync(&app->join_timer);
> + timer_shutdown_sync(&app->periodic_timer);
>
> spin_lock_bh(&app->lock);
> mrp_mad_event(app, MRP_EVENT_TX);
> diff --git a/net/bridge/br_multicast.c b/net/bridge/br_multicast.c
> index db4f2641d1cd..a68e7b8c47a8 100644
> --- a/net/bridge/br_multicast.c
> +++ b/net/bridge/br_multicast.c
> @@ -605,7 +605,7 @@ static void br_multicast_destroy_mdb_entry(struct net_bridge_mcast_gc *gc)
> WARN_ON(!hlist_unhashed(&mp->mdb_node));
> WARN_ON(mp->ports);
>
> - del_timer_sync(&mp->timer);
> + timer_shutdown_sync(&mp->timer);
> kfree_rcu(mp, rcu);
> }
>
> @@ -646,7 +646,7 @@ static void br_multicast_destroy_group_src(struct net_bridge_mcast_gc *gc)
> src = container_of(gc, struct net_bridge_group_src, mcast_gc);
> WARN_ON(!hlist_unhashed(&src->node));
>
> - del_timer_sync(&src->timer);
> + timer_shutdown_sync(&src->timer);
> kfree_rcu(src, rcu);
> }
>
> @@ -670,8 +670,8 @@ static void br_multicast_destroy_port_group(struct net_bridge_mcast_gc *gc)
> WARN_ON(!hlist_unhashed(&pg->mglist));
> WARN_ON(!hlist_empty(&pg->src_list));
>
> - del_timer_sync(&pg->rexmit_timer);
> - del_timer_sync(&pg->timer);
> + timer_shutdown_sync(&pg->rexmit_timer);
> + timer_shutdown_sync(&pg->timer);
> kfree_rcu(pg, rcu);
> }
>
> diff --git a/net/bridge/br_multicast_eht.c b/net/bridge/br_multicast_eht.c
> index f91c071d1608..c126aa4e7551 100644
> --- a/net/bridge/br_multicast_eht.c
> +++ b/net/bridge/br_multicast_eht.c
> @@ -142,7 +142,7 @@ static void br_multicast_destroy_eht_set_entry(struct net_bridge_mcast_gc *gc)
> set_h = container_of(gc, struct net_bridge_group_eht_set_entry, mcast_gc);
> WARN_ON(!RB_EMPTY_NODE(&set_h->rb_node));
>
> - del_timer_sync(&set_h->timer);
> + timer_shutdown_sync(&set_h->timer);
> kfree(set_h);
> }
>
> @@ -154,7 +154,7 @@ static void br_multicast_destroy_eht_set(struct net_bridge_mcast_gc *gc)
> WARN_ON(!RB_EMPTY_NODE(&eht_set->rb_node));
> WARN_ON(!RB_EMPTY_ROOT(&eht_set->entry_tree));
>
> - del_timer_sync(&eht_set->timer);
> + timer_shutdown_sync(&eht_set->timer);
> kfree(eht_set);
> }
>
> diff --git a/net/core/gen_estimator.c b/net/core/gen_estimator.c
> index 4fcbdd71c59f..fae9c4694186 100644
> --- a/net/core/gen_estimator.c
> +++ b/net/core/gen_estimator.c
> @@ -208,7 +208,7 @@ void gen_kill_estimator(struct net_rate_estimator __rcu **rate_est)
>
> est = xchg((__force struct net_rate_estimator **)rate_est, NULL);
> if (est) {
> - del_timer_sync(&est->timer);
> + timer_shutdown_sync(&est->timer);
> kfree_rcu(est, rcu);
> }
> }
> diff --git a/net/ipv4/ipmr.c b/net/ipv4/ipmr.c
> index e04544ac4b45..dbaf4c33b155 100644
> --- a/net/ipv4/ipmr.c
> +++ b/net/ipv4/ipmr.c
> @@ -412,7 +412,7 @@ static struct mr_table *ipmr_new_table(struct net *net, u32 id)
>
> static void ipmr_free_table(struct mr_table *mrt)
> {
> - del_timer_sync(&mrt->ipmr_expire_timer);
> + timer_shutdown_sync(&mrt->ipmr_expire_timer);
> mroute_clean_tables(mrt, MRT_FLUSH_VIFS | MRT_FLUSH_VIFS_STATIC |
> MRT_FLUSH_MFC | MRT_FLUSH_MFC_STATIC);
> rhltable_destroy(&mrt->mfc_hash);
> diff --git a/net/ipv6/ip6mr.c b/net/ipv6/ip6mr.c
> index facdc78a43e5..474b862039e0 100644
> --- a/net/ipv6/ip6mr.c
> +++ b/net/ipv6/ip6mr.c
> @@ -392,7 +392,7 @@ static struct mr_table *ip6mr_new_table(struct net *net, u32 id)
>
> static void ip6mr_free_table(struct mr_table *mrt)
> {
> - del_timer_sync(&mrt->ipmr_expire_timer);
> + timer_shutdown_sync(&mrt->ipmr_expire_timer);
> mroute_clean_tables(mrt, MRT6_FLUSH_MIFS | MRT6_FLUSH_MIFS_STATIC |
> MRT6_FLUSH_MFC | MRT6_FLUSH_MFC_STATIC);
> rhltable_destroy(&mrt->mfc_hash);
> diff --git a/net/mac80211/mesh_pathtbl.c b/net/mac80211/mesh_pathtbl.c
> index acc1c299f1ae..ec72756075f5 100644
> --- a/net/mac80211/mesh_pathtbl.c
> +++ b/net/mac80211/mesh_pathtbl.c
> @@ -512,7 +512,7 @@ static void mesh_path_free_rcu(struct mesh_table *tbl,
> mpath->flags |= MESH_PATH_RESOLVING | MESH_PATH_DELETED;
> mesh_gate_del(tbl, mpath);
> spin_unlock_bh(&mpath->state_lock);
> - del_timer_sync(&mpath->timer);
> + timer_shutdown_sync(&mpath->timer);
> atomic_dec(&sdata->u.mesh.mpaths);
> atomic_dec(&tbl->entries);
> mesh_path_flush_pending(mpath);
> diff --git a/net/netfilter/ipset/ip_set_list_set.c b/net/netfilter/ipset/ip_set_list_set.c
> index 5a67f7966574..e162636525cf 100644
> --- a/net/netfilter/ipset/ip_set_list_set.c
> +++ b/net/netfilter/ipset/ip_set_list_set.c
> @@ -427,7 +427,7 @@ list_set_destroy(struct ip_set *set)
> struct set_elem *e, *n;
>
> if (SET_WITH_TIMEOUT(set))
> - del_timer_sync(&map->gc);
> + timer_shutdown_sync(&map->gc);
>
> list_for_each_entry_safe(e, n, &map->members, list) {
> list_del(&e->list);
> diff --git a/net/netfilter/ipvs/ip_vs_lblc.c b/net/netfilter/ipvs/ip_vs_lblc.c
> index 7ac7473e3804..1b87214d385e 100644
> --- a/net/netfilter/ipvs/ip_vs_lblc.c
> +++ b/net/netfilter/ipvs/ip_vs_lblc.c
> @@ -384,7 +384,7 @@ static void ip_vs_lblc_done_svc(struct ip_vs_service *svc)
> struct ip_vs_lblc_table *tbl = svc->sched_data;
>
> /* remove periodic timer */
> - del_timer_sync(&tbl->periodic_timer);
> + timer_shutdown_sync(&tbl->periodic_timer);
>
> /* got to clean up table entries here */
> ip_vs_lblc_flush(svc);
> diff --git a/net/netfilter/ipvs/ip_vs_lblcr.c b/net/netfilter/ipvs/ip_vs_lblcr.c
> index 77c323c36a88..ad8f5fea6d3a 100644
> --- a/net/netfilter/ipvs/ip_vs_lblcr.c
> +++ b/net/netfilter/ipvs/ip_vs_lblcr.c
> @@ -547,7 +547,7 @@ static void ip_vs_lblcr_done_svc(struct ip_vs_service *svc)
> struct ip_vs_lblcr_table *tbl = svc->sched_data;
>
> /* remove periodic timer */
> - del_timer_sync(&tbl->periodic_timer);
> + timer_shutdown_sync(&tbl->periodic_timer);
>
> /* got to clean up table entries here */
> ip_vs_lblcr_flush(svc);
> diff --git a/net/netfilter/xt_IDLETIMER.c b/net/netfilter/xt_IDLETIMER.c
> index 0f8bb0bf558f..8d36303f3935 100644
> --- a/net/netfilter/xt_IDLETIMER.c
> +++ b/net/netfilter/xt_IDLETIMER.c
> @@ -413,7 +413,7 @@ static void idletimer_tg_destroy(const struct xt_tgdtor_param *par)
> pr_debug("deleting timer %s\n", info->label);
>
> list_del(&info->timer->entry);
> - del_timer_sync(&info->timer->timer);
> + timer_shutdown_sync(&info->timer->timer);
> cancel_work_sync(&info->timer->work);
> sysfs_remove_file(idletimer_tg_kobj, &info->timer->attr.attr);
> kfree(info->timer->attr.attr.name);
> @@ -441,7 +441,7 @@ static void idletimer_tg_destroy_v1(const struct xt_tgdtor_param *par)
> if (info->timer->timer_type & XT_IDLETIMER_ALARM) {
> alarm_cancel(&info->timer->alarm);
> } else {
> - del_timer_sync(&info->timer->timer);
> + timer_shutdown_sync(&info->timer->timer);
> }
> cancel_work_sync(&info->timer->work);
> sysfs_remove_file(idletimer_tg_kobj, &info->timer->attr.attr);
> diff --git a/net/netfilter/xt_LED.c b/net/netfilter/xt_LED.c
> index 0371c387b0d1..66b0f941d8fb 100644
> --- a/net/netfilter/xt_LED.c
> +++ b/net/netfilter/xt_LED.c
> @@ -166,7 +166,7 @@ static void led_tg_destroy(const struct xt_tgdtor_param *par)
>
> list_del(&ledinternal->list);
>
> - del_timer_sync(&ledinternal->timer);
> + timer_shutdown_sync(&ledinternal->timer);
>
> led_trigger_unregister(&ledinternal->netfilter_led_trigger);
>
> diff --git a/net/rxrpc/conn_object.c b/net/rxrpc/conn_object.c
> index 22089e37e97f..307d6d480e78 100644
> --- a/net/rxrpc/conn_object.c
> +++ b/net/rxrpc/conn_object.c
> @@ -358,7 +358,7 @@ static void rxrpc_destroy_connection(struct rcu_head *rcu)
>
> _net("DESTROY CONN %d", conn->debug_id);
>
> - del_timer_sync(&conn->timer);
> + timer_shutdown_sync(&conn->timer);
> rxrpc_purge_queue(&conn->rx_queue);
>
> conn->security->clear(conn);
> diff --git a/net/sched/cls_flow.c b/net/sched/cls_flow.c
> index 014cd3de7b5d..cd90a3083b9f 100644
> --- a/net/sched/cls_flow.c
> +++ b/net/sched/cls_flow.c
> @@ -367,7 +367,7 @@ static const struct nla_policy flow_policy[TCA_FLOW_MAX + 1] = {
>
> static void __flow_destroy_filter(struct flow_filter *f)
> {
> - del_timer_sync(&f->perturb_timer);
> + timer_shutdown_sync(&f->perturb_timer);
> tcf_exts_destroy(&f->exts);
> tcf_em_tree_destroy(&f->ematches);
> tcf_exts_put_net(&f->exts);
> diff --git a/net/sunrpc/svc.c b/net/sunrpc/svc.c
> index 149171774bc6..42663e240ec5 100644
> --- a/net/sunrpc/svc.c
> +++ b/net/sunrpc/svc.c
> @@ -567,7 +567,7 @@ svc_destroy(struct kref *ref)
> struct svc_serv *serv = container_of(ref, struct svc_serv, sv_refcnt);
>
> dprintk("svc: svc_destroy(%s)\n", serv->sv_program->pg_name);
> - del_timer_sync(&serv->sv_temptimer);
> + timer_shutdown_sync(&serv->sv_temptimer);
>
> /*
> * The last user is gone and thus all sockets have to be destroyed to
> diff --git a/net/tipc/discover.c b/net/tipc/discover.c
> index e8630707901e..d9efbee90fb4 100644
> --- a/net/tipc/discover.c
> +++ b/net/tipc/discover.c
> @@ -385,7 +385,7 @@ int tipc_disc_create(struct net *net, struct tipc_bearer *b,
> */
> void tipc_disc_delete(struct tipc_discoverer *d)
> {
> - del_timer_sync(&d->timer);
> + timer_shutdown_sync(&d->timer);
> kfree_skb(d->skb);
> kfree(d);
> }
> diff --git a/net/tipc/monitor.c b/net/tipc/monitor.c
> index 9618e4429f0f..77a3d016cade 100644
> --- a/net/tipc/monitor.c
> +++ b/net/tipc/monitor.c
> @@ -700,7 +700,7 @@ void tipc_mon_delete(struct net *net, int bearer_id)
> }
> mon->self = NULL;
> write_unlock_bh(&mon->lock);
> - del_timer_sync(&mon->timer);
> + timer_shutdown_sync(&mon->timer);
> kfree(self->domain);
> kfree(self);
> kfree(mon);
> diff --git a/sound/i2c/other/ak4117.c b/sound/i2c/other/ak4117.c
> index 1bc43e927d82..640501bb3ca6 100644
> --- a/sound/i2c/other/ak4117.c
> +++ b/sound/i2c/other/ak4117.c
> @@ -47,7 +47,7 @@ static void reg_dump(struct ak4117 *ak4117)
>
> static void snd_ak4117_free(struct ak4117 *chip)
> {
> - del_timer_sync(&chip->timer);
> + timer_shutdown_sync(&chip->timer);
> kfree(chip);
> }
>
> diff --git a/sound/synth/emux/emux.c b/sound/synth/emux/emux.c
> index a870759d179e..0006c3ddb51d 100644
> --- a/sound/synth/emux/emux.c
> +++ b/sound/synth/emux/emux.c
> @@ -129,7 +129,7 @@ int snd_emux_free(struct snd_emux *emu)
> if (! emu)
> return -EINVAL;
>
> - del_timer_sync(&emu->tlist);
> + timer_shutdown_sync(&emu->tlist);
>
> snd_emux_proc_free(emu);
> snd_emux_delete_virmidi(emu);
> --
> 2.35.1
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