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| author | Takashi Iwai <tiwai@suse.de> | 2018-08-12 08:55:01 +0200 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2018-08-12 08:55:10 +0200 |
| commit | 73b383141d296c55bfbc0ce336a4a946627e7780 (patch) | |
| tree | df0840c4ea4bbd5aa453931a594936bd9adab61d /sound/core/timer.c | |
| parent | 627661ced8246c8e833f3bc3817070e934cd79ba (diff) | |
| parent | 91c6e15efc1756b068dc6e945c1626397e60a119 (diff) | |
| download | linux-73b383141d296c55bfbc0ce336a4a946627e7780.tar.bz2 | |
Merge branch 'for-next' into for-linus
Preparation for 4.19 merge material.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/core/timer.c')
| -rw-r--r-- | sound/core/timer.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/sound/core/timer.c b/sound/core/timer.c index b6f076bbc72d..61a0cec6e1f6 100644 --- a/sound/core/timer.c +++ b/sound/core/timer.c @@ -883,6 +883,11 @@ int snd_timer_new(struct snd_card *card, char *id, struct snd_timer_id *tid, if (snd_BUG_ON(!tid)) return -EINVAL; + if (tid->dev_class == SNDRV_TIMER_CLASS_CARD || + tid->dev_class == SNDRV_TIMER_CLASS_PCM) { + if (WARN_ON(!card)) + return -EINVAL; + } if (rtimer) *rtimer = NULL; timer = kzalloc(sizeof(*timer), GFP_KERNEL); |