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authorTakashi Iwai <tiwai@suse.de>2018-11-29 12:05:19 +0100
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2018-12-13 09:21:36 +0100
commit92c01d8f4ae879b9e5dac1a3e490f2e2bebf3b00 (patch)
treeb2a0f4cbc9097f086c3f77bd792aa593964d902b
parent1b5c6d035a8712130b4d62cefc42c3d87efc9b62 (diff)
ALSA: pcm: Fix interval evaluation with openmin/max
commit 5363857b916c1f48027e9b96ee8be8376bf20811 upstream. 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> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-rw-r--r--include/sound/pcm_params.h4
1 files changed, 3 insertions, 1 deletions
diff --git a/include/sound/pcm_params.h b/include/sound/pcm_params.h
index c704357775fc..2af7bb3ee57d 100644
--- a/include/sound/pcm_params.h
+++ b/include/sound/pcm_params.h
@@ -247,11 +247,13 @@ 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;
}