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media: cros-ec-cec: limit msg.len to CEC_MAX_MSG_SIZE
I expect that the hardware will have limited this to 16, but just in case it hasn't, check for this corner case. Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
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@ -44,6 +44,8 @@ static void handle_cec_message(struct cros_ec_cec *cros_ec_cec)
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uint8_t *cec_message = cros_ec->event_data.data.cec_message;
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unsigned int len = cros_ec->event_size;
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if (len > CEC_MAX_MSG_SIZE)
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len = CEC_MAX_MSG_SIZE;
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cros_ec_cec->rx_msg.len = len;
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memcpy(cros_ec_cec->rx_msg.msg, cec_message, len);
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