diff options
| author | Kangjie Lu <kjlu@umn.edu> | 2018-12-25 19:40:51 -0600 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2019-01-07 11:54:56 +0100 |
| commit | 0f25e000cb4398081748e54f62a902098aa79ec1 (patch) | |
| tree | 55baba48be93633566a7b0dbcf920f3ba9a98a93 /sound/isa/gus/gus_main.c | |
| parent | 4bccb403f2ca06718ac3a3d9b02e89ca4e823d9f (diff) | |
ALSA: gus: add a check of the status of snd_ctl_add
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>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/isa/gus/gus_main.c')
| -rw-r--r-- | sound/isa/gus/gus_main.c | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/sound/isa/gus/gus_main.c b/sound/isa/gus/gus_main.c index 3b8a0c880db5..33c8b66d5c8a 100644 --- a/sound/isa/gus/gus_main.c +++ b/sound/isa/gus/gus_main.c @@ -92,8 +92,17 @@ static const struct snd_kcontrol_new snd_gus_joystick_control = { static void snd_gus_init_control(struct snd_gus_card *gus) { - if (!gus->ace_flag) - snd_ctl_add(gus->card, snd_ctl_new1(&snd_gus_joystick_control, gus)); + int ret; + + if (!gus->ace_flag) { + ret = + snd_ctl_add(gus->card, + snd_ctl_new1(&snd_gus_joystick_control, + gus)); + if (ret) + snd_printk(KERN_ERR "gus: snd_ctl_add failed: %d\n", + ret); + } } /* |