[PATCH] net: caif: fix error code handling

From: Tong Zhang
Date: Mon Aug 24 2020 - 18:08:24 EST


cfpkt_peek_head return 0 and 1, caller is checking error using <0

Signed-off-by: Tong Zhang <ztong0001@xxxxxxxxx>
---
net/caif/cfrfml.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/net/caif/cfrfml.c b/net/caif/cfrfml.c
index ce2767e9cec6..7b0af33bdb97 100644
--- a/net/caif/cfrfml.c
+++ b/net/caif/cfrfml.c
@@ -116,7 +116,7 @@ static int cfrfml_receive(struct cflayer *layr, struct cfpkt *pkt)
if (segmented) {
if (rfml->incomplete_frm == NULL) {
/* Initial Segment */
- if (cfpkt_peek_head(pkt, rfml->seghead, 6) < 0)
+ if (cfpkt_peek_head(pkt, rfml->seghead, 6) != 0)
goto out;

rfml->pdu_size = get_unaligned_le16(rfml->seghead+4);
@@ -233,7 +233,7 @@ static int cfrfml_transmit(struct cflayer *layr, struct cfpkt *pkt)
if (cfpkt_getlen(pkt) > rfml->fragment_size + RFM_HEAD_SIZE)
err = cfpkt_peek_head(pkt, head, 6);

- if (err < 0)
+ if (err != 0)
goto out;

while (cfpkt_getlen(frontpkt) > rfml->fragment_size + RFM_HEAD_SIZE) {
--
2.25.1