On 08/10/2016 07:34 AM, Guenter Roeck wrote:
> 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: 83fbae5a148c ("watchdog: Add a device managed API for ...")
> Cc: Neil Armstrong <narmstrong@xxxxxxxxxxxx>
> Signed-off-by: Guenter Roeck <linux@xxxxxxxxxxxx>
> ---
> drivers/watchdog/watchdog_core.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/watchdog/watchdog_core.c b/drivers/watchdog/watchdog_core.c
> index 6abb83cd7681..74265b2f806c 100644
> --- a/drivers/watchdog/watchdog_core.c
> +++ b/drivers/watchdog/watchdog_core.c
> @@ -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;
>
My bad...
Acked-by: Neil Armstrong <narmstrong@xxxxxxxxxxxx>
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