net: caif: fix erroneous return value
The cfrfml_receive() function might return positive value EPROTO
Signed-off-by: Anton Protopopov <a.s.protopopov@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/caif/cfrfml.c b/net/caif/cfrfml.c
index 61d7617..b82440e 100644
--- a/net/caif/cfrfml.c
+++ b/net/caif/cfrfml.c
@@ -159,7 +159,7 @@
tmppkt = NULL;
/* Verify that length is correct */
- err = EPROTO;
+ err = -EPROTO;
if (rfml->pdu_size != cfpkt_getlen(pkt) - RFM_HEAD_SIZE + 1)
goto out;
}