watchdog: Fix memleak in watchdog_cdev_register

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When watchdog_kworker is NULL, we should free wd_data
before the function returns to prevent memleak.

Fixes: 664a39236e ("watchdog: Introduce hardware maximum heartbeat in watchdog core")
Signed-off-by: Dinghao Liu <dinghao.liu@zju.edu.cn>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Link: https://lore.kernel.org/r/20200824024001.25474-1-dinghao.liu@zju.edu.cn
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@linux-watchdog.org>

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Dinghao Liu 2020-08-24 10:40:01 +08:00 • committed by Wim Van Sebroeck

parent 743949466e

commit 5afb6d203d

1 changed files with 3 additions and 1 deletions

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drivers/watchdog/watchdog_dev.c

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