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authorJim Lodes <jim.lodes@garmin.com>2016-04-25 16:10:07 (GMT)
committerMark Brown <broonie@kernel.org>2016-04-26 15:26:59 (GMT)
commit989ff7754a27a1fcc0c3b2794c985b31811871a0 (patch)
tree0d071373b04e02fda97c5991cb7982db33bfda69 /sound
parentd4e44f1418d71cf53d685e236a95c525089e065a (diff)
downloadlinux-989ff7754a27a1fcc0c3b2794c985b31811871a0.tar.xz
ASoC: omap-pcm: Initialize DMA configuration
Initialize the dma_slave_config for PCM DMA transfers, instead of leaving it uninitialized. Keeps previous data on the stack from giving us invalid values in uninitialized members of the config structure. Signed-off-by: Jim Lodes <jim.lodes@garmin.com> Signed-off-by: J.D. Schroeder <jay.schroeder@garmin.com> Acked-by: Jarkko Nikula <jarkko.nikula@bitmer.com> Reviewed-by: Jarkko Nikula <jarkko.nikula@bitmer.com> Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound')
-rw-r--r--sound/soc/omap/omap-pcm.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/sound/soc/omap/omap-pcm.c b/sound/soc/omap/omap-pcm.c
index 6bb623a..eb81b9a 100644
--- a/sound/soc/omap/omap-pcm.c
+++ b/sound/soc/omap/omap-pcm.c
@@ -82,6 +82,8 @@ static int omap_pcm_hw_params(struct snd_pcm_substream *substream,
struct dma_chan *chan;
int err = 0;
+ memset(&config, 0x00, sizeof(config));
+
dma_data = snd_soc_dai_get_dma_data(rtd->cpu_dai, substream);
/* return if this is a bufferless transfer e.g.