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watchdog: core: Fix devres_alloc() allocation size 

Coverity reports:

Passing argument 152UL /* sizeof (*wdd) */ to function __devres_alloc_node
and then casting the return value to struct watchdog_device ** is
suspicious.

Allocation size needs to be sizeof(*rcwdd), not sizeof(*wdd).

Fixes: 83fbae5a14 ("watchdog: Add a device managed API for ...")
Cc: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Acked-by: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
This commit is contained in:
Guenter Roeck 2016-08-09 22:34:31 -07:00 committed by Wim Van Sebroeck
parent 3be7988674
commit 2e91838bf7
1 changed files with 1 additions and 1 deletions
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2
drivers/watchdog/watchdog_core.c
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@ -349,7 +349,7 @@ int devm_watchdog_register_device(struct device *dev,
struct watchdog_device **rcwdd;
int ret;
rcwdd = devres_alloc(devm_watchdog_unregister_device, sizeof(*wdd),
rcwdd = devres_alloc(devm_watchdog_unregister_device, sizeof(*rcwdd),
GFP_KERNEL);
if (!rcwdd)
return -ENOMEM;