diff options
| author | Bo Liu <liubo03@inspur.com> | 2022-09-19 22:03:12 -0400 |
|---|---|---|
| committer | Wim Van Sebroeck <wim@linux-watchdog.org> | 2022-10-02 12:55:38 +0200 |
| commit | 0e01297212244b5a769aa956854e45da1f0cd1f4 (patch) | |
| tree | dc6680b9c9d53bc965fca001d0529508c4eecc46 /drivers/watchdog | |
| parent | ec122fd94eeb87b2e906360efe7447362f83e9ae (diff) | |
| download | linux-stable-0e01297212244b5a769aa956854e45da1f0cd1f4.tar.gz linux-stable-0e01297212244b5a769aa956854e45da1f0cd1f4.tar.bz2 linux-stable-0e01297212244b5a769aa956854e45da1f0cd1f4.zip | |
watchdog: Check dev_set_name() return value
It's possible that dev_set_name() returns -ENOMEM, catch and handle this.
Signed-off-by: Bo Liu <liubo03@inspur.com>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Link: https://lore.kernel.org/r/20220920020312.2383-1-liubo03@inspur.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@linux-watchdog.org>
Diffstat (limited to 'drivers/watchdog')
| -rw-r--r-- | drivers/watchdog/watchdog_dev.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/watchdog/watchdog_dev.c b/drivers/watchdog/watchdog_dev.c index 54903f3c851e..744b2ab75288 100644 --- a/drivers/watchdog/watchdog_dev.c +++ b/drivers/watchdog/watchdog_dev.c @@ -1015,7 +1015,11 @@ static int watchdog_cdev_register(struct watchdog_device *wdd) wd_data->dev.groups = wdd->groups; wd_data->dev.release = watchdog_core_data_release; dev_set_drvdata(&wd_data->dev, wdd); - dev_set_name(&wd_data->dev, "watchdog%d", wdd->id); + err = dev_set_name(&wd_data->dev, "watchdog%d", wdd->id); + if (err) { + put_device(&wd_data->dev); + return err; + } kthread_init_work(&wd_data->work, watchdog_ping_work); hrtimer_init(&wd_data->timer, CLOCK_MONOTONIC, HRTIMER_MODE_REL_HARD); |