Re: [PATCH] mac80211: remove return value check of debugfs_create_dir()

[Simon Horman]

On Wed, Apr 19, 2023 at 06:45:47PM +0800, Yingsha Xu wrote:
> Smatch complains that:
> debugfs_hw_add() warn: 'statsd' is an error pointer or valid
> 
> Debugfs checks are generally not supposed to be checked for errors
> and it is not necessary here.
> 
> Just delete the dead code.

Perhaps:

As per it's documentation, it's expected that most callers
should ignore errors returned by debugfs_create_dir().
So just delete the unnecessary check.

> Signed-off-by: Yingsha Xu <ysxu@xxxxxxxxxxx>
> Reviewed-by: Dongliang Mu <dzm91@xxxxxxxxxxx>

In any case, the change looks good to me.

Reviewed-by: Simon Horman <simon.horman@xxxxxxxxxxxx>