On Wed, 26 Dec 2018 02:40:51 +0100, Kangjie Lu wrote:

snd_ctl_add() could fail, so let's check its status and issue an error message if it indeed fails.

Signed-off-by: Kangjie Lu kjlu@umn.edu

The function itself prints the error in most of useful cases, so the extra error here would be superfluous.

thanks,

Takashi