From 79cabaa320d7ba07a233afb944dd151d26b7ddbd Mon Sep 17 00:00:00 2001 From: Hans Verkuil Date: Mon, 20 Feb 2017 17:19:13 -0300 Subject: [PATCH] [media] cec: log reason for returning -EINVAL When validating the struct cec_s_log_addrs input a debug message is printed for all except two of the 'return -EINVAL' paths. Also log the reason for the missing two paths. Signed-off-by: Hans Verkuil Signed-off-by: Mauro Carvalho Chehab --- drivers/media/cec/cec-adap.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) diff --git a/drivers/media/cec/cec-adap.c b/drivers/media/cec/cec-adap.c index 9e25ba20f4d1..46b7da6df9b5 100644 --- a/drivers/media/cec/cec-adap.c +++ b/drivers/media/cec/cec-adap.c @@ -1461,12 +1461,16 @@ int __cec_s_log_addrs(struct cec_adapter *adap, * within the correct range. */ if (log_addrs->vendor_id != CEC_VENDOR_ID_NONE && - (log_addrs->vendor_id & 0xff000000) != 0) + (log_addrs->vendor_id & 0xff000000) != 0) { + dprintk(1, "invalid vendor ID\n"); return -EINVAL; + } if (log_addrs->cec_version != CEC_OP_CEC_VERSION_1_4 && - log_addrs->cec_version != CEC_OP_CEC_VERSION_2_0) + log_addrs->cec_version != CEC_OP_CEC_VERSION_2_0) { + dprintk(1, "invalid CEC version\n"); return -EINVAL; + } if (log_addrs->num_log_addrs > 1) for (i = 0; i < log_addrs->num_log_addrs; i++) -- 2.20.1