Bool variable 'fail' is always non-negative, it indicates an error if it
is true.
The problem has been detected using coccinelle script
scripts/coccinelle/tests/unsigned_lesser_than_zero.cocci
Signed-off-by: Andrzej Hajda <a.ha...@samsung.com>
---
net/6lowpan/iphc.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/net/6lowpan/iphc.c b/net/6lowpan/iphc.c
index d2a565c..0fe954f 100644
--- a/net/6lowpan/iphc.c
+++ b/net/6lowpan/iphc.c
@@ -482,7 +482,7 @@ static int lowpan_uncompress_multicast_ctx_daddr(struct
sk_buff *skb,
ipaddr->s6_addr[0] = 0xFF;
fail = lowpan_fetch_skb(skb, &ipaddr->s6_addr[1], 2);
fail |= lowpan_fetch_skb(skb, &ipaddr->s6_addr[12], 4);
- if (fail < 0)
+ if (fail)
return -EIO;
/* take prefix_len and network prefix from the context */
--
1.9.1
