diff options
| author |   Takashi Iwai <tiwai@suse.de> | 2021-12-01 08:36:06 +0100 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2021-12-02 09:02:22 +0100 |
| commit | 6665bb30a6b1a4a853d52557c05482ee50e71391 (patch) | |
| tree | 1cbbadc3232f92cb94e480d2362dd2664fba938a /sound | |
| parent | ALSA: pcm: oss: Limit the period size to 16MB (diff) | |
| download | linux-dev-6665bb30a6b1a4a853d52557c05482ee50e71391.tar.xz linux-dev-6665bb30a6b1a4a853d52557c05482ee50e71391.zip | |
ALSA: pcm: oss: Handle missing errors in snd_pcm_oss_change_params*()
A couple of calls in snd_pcm_oss_change_params_locked() ignore the
possible errors. Catch those errors and abort the operation for
avoiding further problems.
Cc: <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/20211201073606.11660-4-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound')
| -rw-r--r-- | sound/core/oss/pcm_oss.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/sound/core/oss/pcm_oss.c b/sound/core/oss/pcm_oss.c index 89c4910daf02..20a0a4771b9a 100644 --- a/sound/core/oss/pcm_oss.c +++ b/sound/core/oss/pcm_oss.c @@ -884,8 +884,15 @@ static int snd_pcm_oss_change_params_locked(struct snd_pcm_substream *substream) err = -EINVAL; goto failure; } - choose_rate(substream, sparams, runtime->oss.rate); - snd_pcm_hw_param_near(substream, sparams, SNDRV_PCM_HW_PARAM_CHANNELS, runtime->oss.channels, NULL); + + err = choose_rate(substream, sparams, runtime->oss.rate); + if (err < 0) + goto failure; + err = snd_pcm_hw_param_near(substream, sparams, + SNDRV_PCM_HW_PARAM_CHANNELS, + runtime->oss.channels, NULL); + if (err < 0) + goto failure; format = snd_pcm_oss_format_from(runtime->oss.format); |