ALSA: compress: Memset timestamp structure to zero.

From: Luis Henriques
Date: Tue Aug 23 2016 - 09:41:12 EST


From: Krishnankutty Kolathappilly <kkolat@xxxxxxxxxxxxxx>

snd_compr_tstamp is initialized using aggregate initialization
that does not zero out the padded bytes. Initialize timestamp
structure to zero using memset to avoid this.

CRs-Fixed: 568717
Change-Id: I7a7d188705161f06201f1a1f2945bb6acd633d5d
Signed-off-by: Krishnankutty Kolathappilly <kkolat@xxxxxxxxxxxxxx>
---
sound/core/compress_offload.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/sound/core/compress_offload.c b/sound/core/compress_offload.c
index 2c498488af6c..84aaa07ca853 100644
--- a/sound/core/compress_offload.c
+++ b/sound/core/compress_offload.c
@@ -659,9 +659,10 @@ snd_compr_set_metadata(struct snd_compr_stream *stream, unsigned long arg)
static inline int
snd_compr_tstamp(struct snd_compr_stream *stream, unsigned long arg)
{
- struct snd_compr_tstamp tstamp = {0};
+ struct snd_compr_tstamp tstamp;
int ret;

+ memset(&tstamp, 0, sizeof(tstamp));
ret = snd_compr_update_tstamp(stream, &tstamp);
if (ret == 0)
ret = copy_to_user((struct snd_compr_tstamp __user *)arg,