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Message-Id: <20221123122523.1332370-1-gregkh@linuxfoundation.org>
Date: Wed, 23 Nov 2022 13:25:19 +0100
From: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To: linux-kernel@...r.kernel.org
Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
Jens Axboe <axboe@...nel.dk>,
Luis Chamberlain <mcgrof@...nel.org>,
Russ Weight <russell.h.weight@...el.com>,
"Rafael J. Wysocki" <rafael@...nel.org>,
Jean Delvare <jdelvare@...e.com>,
Johan Hovold <johan@...nel.org>,
Jason Gunthorpe <jgg@...pe.ca>,
Leon Romanovsky <leon@...nel.org>,
Karsten Keil <isdn@...ux-pingi.de>,
Mauro Carvalho Chehab <mchehab@...nel.org>,
Keith Busch <kbusch@...nel.org>,
Christoph Hellwig <hch@....de>,
Sagi Grimberg <sagi@...mberg.me>,
Dominik Brodowski <linux@...inikbrodowski.net>,
Sebastian Reichel <sre@...nel.org>,
"David S. Miller" <davem@...emloft.net>,
Eric Dumazet <edumazet@...gle.com>,
Jakub Kicinski <kuba@...nel.org>,
Paolo Abeni <pabeni@...hat.com>,
Johannes Berg <johannes@...solutions.net>,
Wolfram Sang <wsa+renesas@...g-engineering.com>,
Raed Salem <raeds@...dia.com>,
Chen Zhongjin <chenzhongjin@...wei.com>,
Tetsuo Handa <penguin-kernel@...ove.SAKURA.ne.jp>,
Avihai Horon <avihaih@...dia.com>,
"Matthew Wilcox (Oracle)" <willy@...radead.org>,
Alan Stern <stern@...land.harvard.edu>,
Colin Ian King <colin.i.king@...il.com>,
Geert Uytterhoeven <geert+renesas@...der.be>,
Jakob Koschel <jakobkoschel@...il.com>,
Antoine Tenart <atenart@...nel.org>,
Frederic Weisbecker <frederic@...nel.org>,
Wang Yufen <wangyufen@...wei.com>, linux-block@...r.kernel.org,
linux-media@...r.kernel.org, linux-nvme@...ts.infradead.org,
linux-pm@...r.kernel.org, linux-rdma@...r.kernel.org,
linux-usb@...r.kernel.org, linux-wireless@...r.kernel.org,
netdev@...r.kernel.org
Subject: [PATCH 1/5] driver core: make struct class.dev_uevent() take a const *
The dev_uevent() in struct class should not be modifying the device that
is passed into it, so mark it as a const * and propagate the function
signature changes out into all relevant subsystems that use this
callback.
Cc: Jens Axboe <axboe@...nel.dk>
Cc: Luis Chamberlain <mcgrof@...nel.org>
Cc: Russ Weight <russell.h.weight@...el.com>
Cc: "Rafael J. Wysocki" <rafael@...nel.org>
Cc: Jean Delvare <jdelvare@...e.com>
Cc: Johan Hovold <johan@...nel.org>
Cc: Jason Gunthorpe <jgg@...pe.ca>
Cc: Leon Romanovsky <leon@...nel.org>
Cc: Karsten Keil <isdn@...ux-pingi.de>
Cc: Mauro Carvalho Chehab <mchehab@...nel.org>
Cc: Keith Busch <kbusch@...nel.org>
Cc: Christoph Hellwig <hch@....de>
Cc: Sagi Grimberg <sagi@...mberg.me>
Cc: Dominik Brodowski <linux@...inikbrodowski.net>
Cc: Sebastian Reichel <sre@...nel.org>
Cc: "David S. Miller" <davem@...emloft.net>
Cc: Eric Dumazet <edumazet@...gle.com>
Cc: Jakub Kicinski <kuba@...nel.org>
Cc: Paolo Abeni <pabeni@...hat.com>
Cc: Johannes Berg <johannes@...solutions.net>
Cc: Wolfram Sang <wsa+renesas@...g-engineering.com>
Cc: Raed Salem <raeds@...dia.com>
Cc: Chen Zhongjin <chenzhongjin@...wei.com>
Cc: Tetsuo Handa <penguin-kernel@...ove.SAKURA.ne.jp>
Cc: Avihai Horon <avihaih@...dia.com>
Cc: "Matthew Wilcox (Oracle)" <willy@...radead.org>
Cc: Alan Stern <stern@...land.harvard.edu>
Cc: Colin Ian King <colin.i.king@...il.com>
Cc: Geert Uytterhoeven <geert+renesas@...der.be>
Cc: Jakob Koschel <jakobkoschel@...il.com>
Cc: Antoine Tenart <atenart@...nel.org>
Cc: Frederic Weisbecker <frederic@...nel.org>
Cc: Wang Yufen <wangyufen@...wei.com>
Cc: linux-block@...r.kernel.org
Cc: linux-kernel@...r.kernel.org
Cc: linux-media@...r.kernel.org
Cc: linux-nvme@...ts.infradead.org
Cc: linux-pm@...r.kernel.org
Cc: linux-rdma@...r.kernel.org
Cc: linux-usb@...r.kernel.org
Cc: linux-wireless@...r.kernel.org
Cc: netdev@...r.kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
block/genhd.c | 4 ++--
drivers/base/firmware_loader/sysfs.c | 6 +++---
drivers/base/firmware_loader/sysfs.h | 2 +-
drivers/firmware/dmi-id.c | 2 +-
drivers/gnss/core.c | 6 +++---
drivers/infiniband/core/device.c | 2 +-
drivers/isdn/mISDN/core.c | 4 ++--
drivers/media/dvb-core/dvbdev.c | 4 ++--
drivers/nvme/host/core.c | 4 ++--
drivers/pcmcia/cs.c | 4 ++--
drivers/power/supply/power_supply.h | 2 +-
drivers/power/supply/power_supply_sysfs.c | 8 ++++----
drivers/usb/gadget/udc/core.c | 4 ++--
include/linux/device/class.h | 2 +-
include/linux/mISDNif.h | 2 +-
net/atm/atm_sysfs.c | 4 ++--
net/core/net-sysfs.c | 4 ++--
net/rfkill/core.c | 2 +-
18 files changed, 33 insertions(+), 33 deletions(-)
diff --git a/block/genhd.c b/block/genhd.c
index 0f9769db2de8..3f1124713442 100644
--- a/block/genhd.c
+++ b/block/genhd.c
@@ -1181,9 +1181,9 @@ static void disk_release(struct device *dev)
iput(disk->part0->bd_inode); /* frees the disk */
}
-static int block_uevent(struct device *dev, struct kobj_uevent_env *env)
+static int block_uevent(const struct device *dev, struct kobj_uevent_env *env)
{
- struct gendisk *disk = dev_to_disk(dev);
+ const struct gendisk *disk = dev_to_disk(dev);
return add_uevent_var(env, "DISKSEQ=%llu", disk->diskseq);
}
diff --git a/drivers/base/firmware_loader/sysfs.c b/drivers/base/firmware_loader/sysfs.c
index 5b66b3d1fa16..56911d75b90a 100644
--- a/drivers/base/firmware_loader/sysfs.c
+++ b/drivers/base/firmware_loader/sysfs.c
@@ -64,7 +64,7 @@ static struct attribute *firmware_class_attrs[] = {
};
ATTRIBUTE_GROUPS(firmware_class);
-static int do_firmware_uevent(struct fw_sysfs *fw_sysfs, struct kobj_uevent_env *env)
+static int do_firmware_uevent(const struct fw_sysfs *fw_sysfs, struct kobj_uevent_env *env)
{
if (add_uevent_var(env, "FIRMWARE=%s", fw_sysfs->fw_priv->fw_name))
return -ENOMEM;
@@ -76,9 +76,9 @@ static int do_firmware_uevent(struct fw_sysfs *fw_sysfs, struct kobj_uevent_env
return 0;
}
-static int firmware_uevent(struct device *dev, struct kobj_uevent_env *env)
+static int firmware_uevent(const struct device *dev, struct kobj_uevent_env *env)
{
- struct fw_sysfs *fw_sysfs = to_fw_sysfs(dev);
+ const struct fw_sysfs *fw_sysfs = to_fw_sysfs(dev);
int err = 0;
mutex_lock(&fw_lock);
diff --git a/drivers/base/firmware_loader/sysfs.h b/drivers/base/firmware_loader/sysfs.h
index df1d5add698f..fd0b4ad9bdbb 100644
--- a/drivers/base/firmware_loader/sysfs.h
+++ b/drivers/base/firmware_loader/sysfs.h
@@ -81,7 +81,7 @@ struct fw_sysfs {
void *fw_upload_priv;
};
-static inline struct fw_sysfs *to_fw_sysfs(struct device *dev)
+static inline struct fw_sysfs *to_fw_sysfs(const struct device *dev)
{
return container_of(dev, struct fw_sysfs, dev);
}
diff --git a/drivers/firmware/dmi-id.c b/drivers/firmware/dmi-id.c
index 940ddf916202..5f3a3e913d28 100644
--- a/drivers/firmware/dmi-id.c
+++ b/drivers/firmware/dmi-id.c
@@ -155,7 +155,7 @@ static const struct attribute_group* sys_dmi_attribute_groups[] = {
NULL
};
-static int dmi_dev_uevent(struct device *dev, struct kobj_uevent_env *env)
+static int dmi_dev_uevent(const struct device *dev, struct kobj_uevent_env *env)
{
ssize_t len;
diff --git a/drivers/gnss/core.c b/drivers/gnss/core.c
index 1e82b7967570..77a4b280c552 100644
--- a/drivers/gnss/core.c
+++ b/drivers/gnss/core.c
@@ -337,7 +337,7 @@ static const char * const gnss_type_names[GNSS_TYPE_COUNT] = {
[GNSS_TYPE_MTK] = "MTK",
};
-static const char *gnss_type_name(struct gnss_device *gdev)
+static const char *gnss_type_name(const struct gnss_device *gdev)
{
const char *name = NULL;
@@ -365,9 +365,9 @@ static struct attribute *gnss_attrs[] = {
};
ATTRIBUTE_GROUPS(gnss);
-static int gnss_uevent(struct device *dev, struct kobj_uevent_env *env)
+static int gnss_uevent(const struct device *dev, struct kobj_uevent_env *env)
{
- struct gnss_device *gdev = to_gnss_device(dev);
+ const struct gnss_device *gdev = to_gnss_device(dev);
int ret;
ret = add_uevent_var(env, "GNSS_TYPE=%s", gnss_type_name(gdev));
diff --git a/drivers/infiniband/core/device.c b/drivers/infiniband/core/device.c
index fa65c5d3d395..4186dbf9377f 100644
--- a/drivers/infiniband/core/device.c
+++ b/drivers/infiniband/core/device.c
@@ -511,7 +511,7 @@ static void ib_device_release(struct device *device)
kfree_rcu(dev, rcu_head);
}
-static int ib_device_uevent(struct device *device,
+static int ib_device_uevent(const struct device *device,
struct kobj_uevent_env *env)
{
if (add_uevent_var(env, "NAME=%s", dev_name(device)))
diff --git a/drivers/isdn/mISDN/core.c b/drivers/isdn/mISDN/core.c
index 90ee56d07a6e..9120be590325 100644
--- a/drivers/isdn/mISDN/core.c
+++ b/drivers/isdn/mISDN/core.c
@@ -139,9 +139,9 @@ static struct attribute *mISDN_attrs[] = {
};
ATTRIBUTE_GROUPS(mISDN);
-static int mISDN_uevent(struct device *dev, struct kobj_uevent_env *env)
+static int mISDN_uevent(const struct device *dev, struct kobj_uevent_env *env)
{
- struct mISDNdevice *mdev = dev_to_mISDN(dev);
+ const struct mISDNdevice *mdev = dev_to_mISDN(dev);
if (!mdev)
return 0;
diff --git a/drivers/media/dvb-core/dvbdev.c b/drivers/media/dvb-core/dvbdev.c
index 675d877a67b2..6ef18bab9648 100644
--- a/drivers/media/dvb-core/dvbdev.c
+++ b/drivers/media/dvb-core/dvbdev.c
@@ -1008,9 +1008,9 @@ void dvb_module_release(struct i2c_client *client)
EXPORT_SYMBOL_GPL(dvb_module_release);
#endif
-static int dvb_uevent(struct device *dev, struct kobj_uevent_env *env)
+static int dvb_uevent(const struct device *dev, struct kobj_uevent_env *env)
{
- struct dvb_device *dvbdev = dev_get_drvdata(dev);
+ const struct dvb_device *dvbdev = dev_get_drvdata(dev);
add_uevent_var(env, "DVB_ADAPTER_NUM=%d", dvbdev->adapter->num);
add_uevent_var(env, "DVB_DEVICE_TYPE=%s", dnames[dvbdev->type]);
diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c
index da55ce45ac70..b4778b970dd4 100644
--- a/drivers/nvme/host/core.c
+++ b/drivers/nvme/host/core.c
@@ -4580,9 +4580,9 @@ void nvme_remove_namespaces(struct nvme_ctrl *ctrl)
}
EXPORT_SYMBOL_GPL(nvme_remove_namespaces);
-static int nvme_class_uevent(struct device *dev, struct kobj_uevent_env *env)
+static int nvme_class_uevent(const struct device *dev, struct kobj_uevent_env *env)
{
- struct nvme_ctrl *ctrl =
+ const struct nvme_ctrl *ctrl =
container_of(dev, struct nvme_ctrl, ctrl_device);
struct nvmf_ctrl_options *opts = ctrl->opts;
int ret;
diff --git a/drivers/pcmcia/cs.c b/drivers/pcmcia/cs.c
index f70197154a36..e3224e49c43f 100644
--- a/drivers/pcmcia/cs.c
+++ b/drivers/pcmcia/cs.c
@@ -810,10 +810,10 @@ int pcmcia_reset_card(struct pcmcia_socket *skt)
EXPORT_SYMBOL(pcmcia_reset_card);
-static int pcmcia_socket_uevent(struct device *dev,
+static int pcmcia_socket_uevent(const struct device *dev,
struct kobj_uevent_env *env)
{
- struct pcmcia_socket *s = container_of(dev, struct pcmcia_socket, dev);
+ const struct pcmcia_socket *s = container_of(dev, struct pcmcia_socket, dev);
if (add_uevent_var(env, "SOCKET_NO=%u", s->sock))
return -ENOMEM;
diff --git a/drivers/power/supply/power_supply.h b/drivers/power/supply/power_supply.h
index c310d4f36c10..645eee4d6b6a 100644
--- a/drivers/power/supply/power_supply.h
+++ b/drivers/power/supply/power_supply.h
@@ -16,7 +16,7 @@ struct power_supply;
#ifdef CONFIG_SYSFS
extern void power_supply_init_attrs(struct device_type *dev_type);
-extern int power_supply_uevent(struct device *dev, struct kobj_uevent_env *env);
+extern int power_supply_uevent(const struct device *dev, struct kobj_uevent_env *env);
#else
diff --git a/drivers/power/supply/power_supply_sysfs.c b/drivers/power/supply/power_supply_sysfs.c
index 5369abaceb5c..6ca7d3985a40 100644
--- a/drivers/power/supply/power_supply_sysfs.c
+++ b/drivers/power/supply/power_supply_sysfs.c
@@ -427,7 +427,7 @@ void power_supply_init_attrs(struct device_type *dev_type)
}
}
-static int add_prop_uevent(struct device *dev, struct kobj_uevent_env *env,
+static int add_prop_uevent(const struct device *dev, struct kobj_uevent_env *env,
enum power_supply_property prop, char *prop_buf)
{
int ret = 0;
@@ -438,7 +438,7 @@ static int add_prop_uevent(struct device *dev, struct kobj_uevent_env *env,
pwr_attr = &power_supply_attrs[prop];
dev_attr = &pwr_attr->dev_attr;
- ret = power_supply_show_property(dev, dev_attr, prop_buf);
+ ret = power_supply_show_property((struct device *)dev, dev_attr, prop_buf);
if (ret == -ENODEV || ret == -ENODATA) {
/*
* When a battery is absent, we expect -ENODEV. Don't abort;
@@ -458,9 +458,9 @@ static int add_prop_uevent(struct device *dev, struct kobj_uevent_env *env,
pwr_attr->prop_name, prop_buf);
}
-int power_supply_uevent(struct device *dev, struct kobj_uevent_env *env)
+int power_supply_uevent(const struct device *dev, struct kobj_uevent_env *env)
{
- struct power_supply *psy = dev_get_drvdata(dev);
+ const struct power_supply *psy = dev_get_drvdata(dev);
int ret = 0, j;
char *prop_buf;
diff --git a/drivers/usb/gadget/udc/core.c b/drivers/usb/gadget/udc/core.c
index c63c0c2cf649..b5994a0604f6 100644
--- a/drivers/usb/gadget/udc/core.c
+++ b/drivers/usb/gadget/udc/core.c
@@ -1723,9 +1723,9 @@ static const struct attribute_group *usb_udc_attr_groups[] = {
NULL,
};
-static int usb_udc_uevent(struct device *dev, struct kobj_uevent_env *env)
+static int usb_udc_uevent(const struct device *dev, struct kobj_uevent_env *env)
{
- struct usb_udc *udc = container_of(dev, struct usb_udc, dev);
+ const struct usb_udc *udc = container_of(dev, struct usb_udc, dev);
int ret;
ret = add_uevent_var(env, "USB_UDC_NAME=%s", udc->gadget->name);
diff --git a/include/linux/device/class.h b/include/linux/device/class.h
index 20103e0b03c3..94b1107258e5 100644
--- a/include/linux/device/class.h
+++ b/include/linux/device/class.h
@@ -59,7 +59,7 @@ struct class {
const struct attribute_group **dev_groups;
struct kobject *dev_kobj;
- int (*dev_uevent)(struct device *dev, struct kobj_uevent_env *env);
+ int (*dev_uevent)(const struct device *dev, struct kobj_uevent_env *env);
char *(*devnode)(struct device *dev, umode_t *mode);
void (*class_release)(struct class *class);
diff --git a/include/linux/mISDNif.h b/include/linux/mISDNif.h
index 7dd1f01ec4f9..7aab4a769736 100644
--- a/include/linux/mISDNif.h
+++ b/include/linux/mISDNif.h
@@ -586,7 +586,7 @@ extern struct mISDNclock *mISDN_register_clock(char *, int, clockctl_func_t *,
void *);
extern void mISDN_unregister_clock(struct mISDNclock *);
-static inline struct mISDNdevice *dev_to_mISDN(struct device *dev)
+static inline struct mISDNdevice *dev_to_mISDN(const struct device *dev)
{
if (dev)
return dev_get_drvdata(dev);
diff --git a/net/atm/atm_sysfs.c b/net/atm/atm_sysfs.c
index 0fdbdfd19474..466353b3dde4 100644
--- a/net/atm/atm_sysfs.c
+++ b/net/atm/atm_sysfs.c
@@ -108,9 +108,9 @@ static struct device_attribute *atm_attrs[] = {
};
-static int atm_uevent(struct device *cdev, struct kobj_uevent_env *env)
+static int atm_uevent(const struct device *cdev, struct kobj_uevent_env *env)
{
- struct atm_dev *adev;
+ const struct atm_dev *adev;
if (!cdev)
return -ENODEV;
diff --git a/net/core/net-sysfs.c b/net/core/net-sysfs.c
index 9cfc80b8ed25..03a61d1dffbd 100644
--- a/net/core/net-sysfs.c
+++ b/net/core/net-sysfs.c
@@ -1873,9 +1873,9 @@ const struct kobj_ns_type_operations net_ns_type_operations = {
};
EXPORT_SYMBOL_GPL(net_ns_type_operations);
-static int netdev_uevent(struct device *d, struct kobj_uevent_env *env)
+static int netdev_uevent(const struct device *d, struct kobj_uevent_env *env)
{
- struct net_device *dev = to_net_dev(d);
+ const struct net_device *dev = to_net_dev(d);
int retval;
/* pass interface to uevent. */
diff --git a/net/rfkill/core.c b/net/rfkill/core.c
index dac4fdc7488a..b390ff245d5e 100644
--- a/net/rfkill/core.c
+++ b/net/rfkill/core.c
@@ -832,7 +832,7 @@ static void rfkill_release(struct device *dev)
kfree(rfkill);
}
-static int rfkill_dev_uevent(struct device *dev, struct kobj_uevent_env *env)
+static int rfkill_dev_uevent(const struct device *dev, struct kobj_uevent_env *env)
{
struct rfkill *rfkill = to_rfkill(dev);
unsigned long flags;
--
2.38.1
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