diff options
| author | Takashi Iwai <tiwai@suse.de> | 2018-11-29 12:05:19 +0100 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2018-11-29 12:05:19 +0100 |
| commit | 5363857b916c1f48027e9b96ee8be8376bf20811 (patch) | |
| tree | 87caff7bfcaf3fadae2c936fa7b2217726c3aafe /include/sound | |
| parent | 3deef52ce10514ccdebba8e8ab85f9cebd0eb3f7 (diff) | |
| download | linux-5363857b916c1f48027e9b96ee8be8376bf20811.tar.bz2 | |
ALSA: pcm: Fix interval evaluation with openmin/max
As addressed in alsa-lib (commit b420056604f0), we need to fix the
case where the evaluation of PCM interval "(x x+1]" leading to
-EINVAL. After applying rules, such an interval may be translated as
"(x x+1)".
Fixes: ff2d6acdf6f1 ("ALSA: pcm: Fix snd_interval_refine first/last with open min/max")
Cc: <stable@vger.kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'include/sound')
| -rw-r--r-- | include/sound/pcm_params.h | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/include/sound/pcm_params.h b/include/sound/pcm_params.h index 2dd37cada7c0..888a833d3b00 100644 --- a/include/sound/pcm_params.h +++ b/include/sound/pcm_params.h @@ -254,11 +254,13 @@ static inline int snd_interval_empty(const struct snd_interval *i) static inline int snd_interval_single(const struct snd_interval *i) { return (i->min == i->max || - (i->min + 1 == i->max && i->openmax)); + (i->min + 1 == i->max && (i->openmin || i->openmax))); } static inline int snd_interval_value(const struct snd_interval *i) { + if (i->openmin && !i->openmax) + return i->max; return i->min; } |