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Subject: media: cec: copy sequence field for the reply Author: Hans Verkuil hverkuil-cisco@xs4all.nl Date: Tue Nov 2 12:24:26 2021 +0000
When the reply for a non-blocking transmit arrives, the sequence field for that reply was never filled in, so userspace would have no way of associating the reply to the original transmit.
Copy the sequence field to ensure that this is now possible.
Signed-off-by: Hans Verkuil hverkuil-cisco@xs4all.nl Fixes: 0dbacebede1e ([media] cec: move the CEC framework out of staging and to media) Cc: stable@vger.kernel.org Signed-off-by: Mauro Carvalho Chehab mchehab+huawei@kernel.org
drivers/media/cec/core/cec-adap.c | 1 + 1 file changed, 1 insertion(+)
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diff --git a/drivers/media/cec/core/cec-adap.c b/drivers/media/cec/core/cec-adap.c index 79fa36de8a04..cd9cb354dc2c 100644 --- a/drivers/media/cec/core/cec-adap.c +++ b/drivers/media/cec/core/cec-adap.c @@ -1199,6 +1199,7 @@ void cec_received_msg_ts(struct cec_adapter *adap, if (abort) dst->rx_status |= CEC_RX_STATUS_FEATURE_ABORT; msg->flags = dst->flags; + msg->sequence = dst->sequence; /* Remove it from the wait_queue */ list_del_init(&data->list);