watchdog: menz069_wdt: fix watchdog initialisation

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[ Upstream commit 87b22656ca ]

Doing a 'cat /dev/watchdog0' with menz069_wdt as watchdog0 will result in
a NULL pointer dereference.

This happens because we're passing the wrong pointer to
watchdog_register_device(). Fix this by getting rid of the static
watchdog_device structure and use the one embedded into the driver's
per-instance private data.

Signed-off-by: Johannes Thumshirn <jth@kernel.org>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Link: https://lore.kernel.org/r/20230418172531.177349-2-jth@kernel.org
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@linux-watchdog.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>

...

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Johannes Thumshirn 2023-04-18 19:25:30 +02:00 • committed by Greg Kroah-Hartman

parent 787e74b213

commit 867dae5547

1 changed files with 6 additions and 10 deletions

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drivers/watchdog/menz69_wdt.c

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