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authorTakashi Iwai <tiwai@suse.de>2009-09-10 15:32:58 +0200
committerTakashi Iwai <tiwai@suse.de>2009-09-10 15:32:58 +0200
commitfa285190025d0b9a35ed0f6233bfaa721281e0f4 (patch)
treeb82ba1f315aa10440af14c4adc64a24aa0e18325 /sound/core
parent9cd9f4276766e15be40d09f77e28656797a1b06f (diff)
parentcbbb05703da4b205bb17fde555d3b2926d8b3194 (diff)
Merge branch 'topic/oss' into for-linus
* topic/oss: ALSA: allocation may fail in snd_pcm_oss_change_params() sound: vwsnd: Fix setting of cfgval and ctlval in li_setup_dma() sound: fix OSS MIDI output data loss
Diffstat (limited to 'sound/core')
-rw-r--r--sound/core/oss/pcm_oss.c9
1 files changed, 7 insertions, 2 deletions
diff --git a/sound/core/oss/pcm_oss.c b/sound/core/oss/pcm_oss.c
index d8b2d76125b4..d9c96353121a 100644
--- a/sound/core/oss/pcm_oss.c
+++ b/sound/core/oss/pcm_oss.c
@@ -1043,10 +1043,15 @@ static int snd_pcm_oss_change_params(struct snd_pcm_substream *substream)
runtime->oss.channels = params_channels(params);
runtime->oss.rate = params_rate(params);
- runtime->oss.params = 0;
- runtime->oss.prepare = 1;
vfree(runtime->oss.buffer);
runtime->oss.buffer = vmalloc(runtime->oss.period_bytes);
+ if (!runtime->oss.buffer) {
+ err = -ENOMEM;
+ goto failure;
+ }
+
+ runtime->oss.params = 0;
+ runtime->oss.prepare = 1;
runtime->oss.buffer_used = 0;
if (runtime->dma_area)
snd_pcm_format_set_silence(runtime->format, runtime->dma_area, bytes_to_samples(runtime, runtime->dma_bytes));