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Date: Wed, 28 Feb 2018 15:20:18 +0000
From: Ben Hutchings <ben@...adent.org.uk>
To: linux-kernel@...r.kernel.org, stable@...r.kernel.org
CC: akpm@...ux-foundation.org, "Shuah Khan" <shuahkh@....samsung.com>,
"Greg Kroah-Hartman" <gregkh@...uxfoundation.org>
Subject: [PATCH 3.16 127/254] usbip: vhci: stop printing kernel pointer
addresses in messages
3.16.55-rc1 review patch. If anyone has any objections, please let me know.
------------------
From: Shuah Khan <shuahkh@....samsung.com>
commit 8272d099d05f7ab2776cf56a2ab9f9443be18907 upstream.
Remove and/or change debug, info. and error messages to not print
kernel pointer addresses.
Signed-off-by: Shuah Khan <shuahkh@....samsung.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
[bwh: Backported to 3.16: adjust filenames, context]
Signed-off-by: Ben Hutchings <ben@...adent.org.uk>
---
drivers/staging/usbip/vhci_hcd.c | 10 ----------
drivers/staging/usbip/vhci_rx.c | 23 +++++++++++------------
drivers/staging/usbip/vhci_tx.c | 3 ++-
3 files changed, 13 insertions(+), 23 deletions(-)
--- a/drivers/staging/usbip/vhci_hcd.c
+++ b/drivers/staging/usbip/vhci_hcd.c
@@ -466,9 +466,6 @@ static int vhci_urb_enqueue(struct usb_h
int ret = 0;
struct vhci_device *vdev;
- usbip_dbg_vhci_hc("enter, usb_hcd %p urb %p mem_flags %d\n",
- hcd, urb, mem_flags);
-
/* patch to usb_sg_init() is in 2.5.60 */
BUG_ON(!urb->transfer_buffer && urb->transfer_buffer_length);
@@ -626,8 +623,6 @@ static int vhci_urb_dequeue(struct usb_h
struct vhci_priv *priv;
struct vhci_device *vdev;
- pr_info("dequeue a urb %p\n", urb);
-
spin_lock(&the_controller->lock);
priv = urb->hcpriv;
@@ -655,7 +650,6 @@ static int vhci_urb_dequeue(struct usb_h
/* tcp connection is closed */
spin_lock(&vdev->priv_lock);
- pr_info("device %p seems to be disconnected\n", vdev);
list_del(&priv->list);
kfree(priv);
urb->hcpriv = NULL;
@@ -667,8 +661,6 @@ static int vhci_urb_dequeue(struct usb_h
* vhci_rx will receive RET_UNLINK and give back the URB.
* Otherwise, we give back it here.
*/
- pr_info("gives back urb %p\n", urb);
-
usb_hcd_unlink_urb_from_ep(hcd, urb);
spin_unlock(&the_controller->lock);
@@ -697,8 +689,6 @@ static int vhci_urb_dequeue(struct usb_h
unlink->unlink_seqnum = priv->seqnum;
- pr_info("device %p seems to be still connected\n", vdev);
-
/* send cmd_unlink and try to cancel the pending URB in the
* peer */
list_add_tail(&unlink->list, &vdev->unlink_tx);
--- a/drivers/staging/usbip/vhci_rx.c
+++ b/drivers/staging/usbip/vhci_rx.c
@@ -37,24 +37,23 @@ struct urb *pickup_urb_and_free_priv(str
urb = priv->urb;
status = urb->status;
- usbip_dbg_vhci_rx("find urb %p vurb %p seqnum %u\n",
- urb, priv, seqnum);
+ usbip_dbg_vhci_rx("find urb seqnum %u\n", seqnum);
switch (status) {
case -ENOENT:
/* fall through */
case -ECONNRESET:
- dev_info(&urb->dev->dev,
- "urb %p was unlinked %ssynchronuously.\n", urb,
- status == -ENOENT ? "" : "a");
+ dev_dbg(&urb->dev->dev,
+ "urb seq# %u was unlinked %ssynchronuously\n",
+ seqnum, status == -ENOENT ? "" : "a");
break;
case -EINPROGRESS:
/* no info output */
break;
default:
- dev_info(&urb->dev->dev,
- "urb %p may be in a error, status %d\n", urb,
- status);
+ dev_dbg(&urb->dev->dev,
+ "urb seq# %u may be in a error, status %d\n",
+ seqnum, status);
}
list_del(&priv->list);
@@ -78,8 +77,8 @@ static void vhci_recv_ret_submit(struct
spin_unlock(&vdev->priv_lock);
if (!urb) {
- pr_err("cannot find a urb of seqnum %u\n", pdu->base.seqnum);
- pr_info("max seqnum %d\n",
+ pr_err("cannot find a urb of seqnum %u max seqnum %d\n",
+ pdu->base.seqnum,
atomic_read(&the_controller->seqnum));
usbip_event_add(ud, VDEV_EVENT_ERROR_TCP);
return;
@@ -102,7 +101,7 @@ static void vhci_recv_ret_submit(struct
if (usbip_dbg_flag_vhci_rx)
usbip_dump_urb(urb);
- usbip_dbg_vhci_rx("now giveback urb %p\n", urb);
+ usbip_dbg_vhci_rx("now giveback urb %u\n", pdu->base.seqnum);
spin_lock(&the_controller->lock);
usb_hcd_unlink_urb_from_ep(vhci_to_hcd(the_controller), urb);
@@ -167,7 +166,7 @@ static void vhci_recv_ret_unlink(struct
pr_info("the urb (seqnum %d) was already given back\n",
pdu->base.seqnum);
} else {
- usbip_dbg_vhci_rx("now giveback urb %p\n", urb);
+ usbip_dbg_vhci_rx("now giveback urb %d\n", pdu->base.seqnum);
/* If unlink is successful, status is -ECONNRESET */
urb->status = pdu->u.ret_unlink.status;
--- a/drivers/staging/usbip/vhci_tx.c
+++ b/drivers/staging/usbip/vhci_tx.c
@@ -82,7 +82,8 @@ static int vhci_send_cmd_submit(struct v
memset(&msg, 0, sizeof(msg));
memset(&iov, 0, sizeof(iov));
- usbip_dbg_vhci_tx("setup txdata urb %p\n", urb);
+ usbip_dbg_vhci_tx("setup txdata urb seqnum %lu\n",
+ priv->seqnum);
/* 1. setup usbip_header */
setup_cmd_submit_pdu(&pdu_header, urb);
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