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authorKangjie Lu <kjlu@umn.edu>2018-12-25 20:29:48 -0600
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2019-01-31 08:13:42 +0100
commit27657a6aee5946d64a7211afca59d8cc3b1fda82 (patch)
treedef51db2d1d4f2d5e2de5a69f4148c4ca0afaf4f /sound/soc/intel
parentd1b8cba6a3445ae9a7ea619b7cecac766651ec72 (diff)
ASoC: atom: fix a missing check of snd_pcm_lib_malloc_pages
commit 44fabd8cdaaa3acb80ad2bb3b5c61ae2136af661 upstream. snd_pcm_lib_malloc_pages() may fail, so let's check its status and return its error code upstream. Signed-off-by: Kangjie Lu <kjlu@umn.edu> Acked-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com> Signed-off-by: Mark Brown <broonie@kernel.org> Cc: stable@vger.kernel.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'sound/soc/intel')
-rw-r--r--sound/soc/intel/atom/sst-mfld-platform-pcm.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/sound/soc/intel/atom/sst-mfld-platform-pcm.c b/sound/soc/intel/atom/sst-mfld-platform-pcm.c
index 43e7fdd19f29..4558c8b93036 100644
--- a/sound/soc/intel/atom/sst-mfld-platform-pcm.c
+++ b/sound/soc/intel/atom/sst-mfld-platform-pcm.c
@@ -399,7 +399,13 @@ static int sst_media_hw_params(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *params,
struct snd_soc_dai *dai)
{
- snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(params));
+ int ret;
+
+ ret =
+ snd_pcm_lib_malloc_pages(substream,
+ params_buffer_bytes(params));
+ if (ret)
+ return ret;
memset(substream->runtime->dma_area, 0, params_buffer_bytes(params));
return 0;
}