ALSA: emu10k1: add error handling for snd_ctl_add
authorZhouyang Jia <jiazhouyang09@gmail.com>
Mon, 11 Jun 2018 08:18:40 +0000 (16:18 +0800)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Thu, 9 Aug 2018 10:20:25 +0000 (12:20 +0200)
commitda2858dce9a74580d2ce234fe6da99e22eef5b1a
tree4c4e0abc304d457e052cb2f739dcce2ae154a09b
parent490106d9760e34ec0f85139e8ec900f2aa6974e9
ALSA: emu10k1: add error handling for snd_ctl_add

[ Upstream commit 6d531e7b972cb62ded011c2dfcc2d9f72ea6c421 ]

When snd_ctl_add fails, the lack of error-handling code may
cause unexpected results.

This patch adds error-handling code after calling snd_ctl_add.

Signed-off-by: Zhouyang Jia <jiazhouyang09@gmail.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
sound/pci/emu10k1/emupcm.c