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[media] cec: CEC_RECEIVE overwrote the timeout field

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When CEC_RECEIVE returns a message the original timeout field
was overwritten. Restore the timeout field.

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
This commit is contained in:
Hans Verkuil 2016-07-16 07:58:31 -03:00 committed by Mauro Carvalho Chehab
parent e05b1872f2
commit e883b4d026
1 changed files with 3 additions and 0 deletions
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3
drivers/staging/media/cec/cec-api.c
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@ -209,6 +209,7 @@ static long cec_transmit(struct cec_adapter *adap, struct cec_fh *fh,
/* Called by CEC_RECEIVE: wait for a message to arrive */
static int cec_receive_msg(struct cec_fh *fh, struct cec_msg *msg, bool block)
{
u32 timeout = msg->timeout;
int res;
do {
@ -225,6 +226,8 @@ static int cec_receive_msg(struct cec_fh *fh, struct cec_msg *msg, bool block)
kfree(entry);
fh->queued_msgs--;
mutex_unlock(&fh->lock);
/* restore original timeout value */
msg->timeout = timeout;
return 0;
}