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[media] cec: zero counters in cec_received_msg()

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Make sure the TX counters are zeroed in the cec_msg struct.
Non-zero TX counters make no sense when a message is received,
and applications should not see non-zero values here.

Change-Id: I36309acfe19b42b672d7b2051adf5cf514123cba
Signed-off-by: Hans Verkuil <hansverk@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Git-commit: 8991a63d1a8a01938932319c8b98f5a3420a0bb2
Git-repo: git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable.git
Signed-off-by: Ray Zhang <rayz@codeaurora.org>
This commit is contained in:
Hans Verkuil 2016-11-09 12:10:59 -02:00 • committed by Ray Zhang
parent 7e4ec7df7c
commit 0f9cbbd5c3
1 changed files with 4 additions and 0 deletions
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4
drivers/media/cec/cec-adap.c
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@ -874,6 +874,10 @@ void cec_received_msg(struct cec_adapter *adap, struct cec_msg *msg)
msg->sequence = msg->reply = msg->timeout = 0;
msg->tx_status = 0;
msg->tx_ts = 0;
msg->tx_arb_lost_cnt = 0;
msg->tx_nack_cnt = 0;
msg->tx_low_drive_cnt = 0;
msg->tx_error_cnt = 0;
msg->flags = 0;
memset(msg->msg + msg->len, 0, sizeof(msg->msg) - msg->len);