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SubjectRe: [PATCH] ipvlan: Remove NULL check before dev_{put, hold}
On Thu, 11 May 2023 15:21:19 +0800
Yang Li <yang.lee@linux.alibaba.com> wrote:

> The call netdev_{put, hold} of dev_{put, hold} will check NULL,
> so there is no need to check before using dev_{put, hold},
> remove it to silence the warning:
>
> ./drivers/net/ipvlan/ipvlan_core.c:559:3-11: WARNING: NULL check before dev_{put, hold} functions is not needed.
>
> Reported-by: Abaci Robot <abaci@linux.alibaba.com>
> Link: https://bugzilla.openanolis.cn/show_bug.cgi?id=4930
> Signed-off-by: Yang Li <yang.lee@linux.alibaba.com>

Maybe add new coccinelle script for this? scripts/free/dev_hold.cocci?

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