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authorDan Carpenter <dan.carpenter@oracle.com>2015-02-19 12:13:13 +0300
committerDavid S. Miller <davem@davemloft.net>2015-02-21 01:35:14 +0300
commit278f7b4fffce9ad267406cf8800df271d14f4a16 (patch)
tree7998890a3cedcf7dab3edab58064306734d3707c /net/caif/cfpkt_skbuff.c
parent5a8eeec468f229558322926f28c61bb0769793e9 (diff)
downloadlinux-278f7b4fffce9ad267406cf8800df271d14f4a16.tar.xz
caif: fix a signedness bug in cfpkt_iterate()
The cfpkt_iterate() function can return -EPROTO on error, but the function is a u16 so the negative value gets truncated to a positive unsigned short. This causes a static checker warning. The only caller which might care is cffrml_receive(), when it's checking the frame checksum. I modified cffrml_receive() so that it never says -EPROTO is a valid checksum. Also this isn't ever going to be inlined so I removed the "inline". Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/caif/cfpkt_skbuff.c')
-rw-r--r--net/caif/cfpkt_skbuff.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/net/caif/cfpkt_skbuff.c b/net/caif/cfpkt_skbuff.c
index 1be0b521ac49..f6c3b2137eea 100644
--- a/net/caif/cfpkt_skbuff.c
+++ b/net/caif/cfpkt_skbuff.c
@@ -255,9 +255,9 @@ inline u16 cfpkt_getlen(struct cfpkt *pkt)
return skb->len;
}
-inline u16 cfpkt_iterate(struct cfpkt *pkt,
- u16 (*iter_func)(u16, void *, u16),
- u16 data)
+int cfpkt_iterate(struct cfpkt *pkt,
+ u16 (*iter_func)(u16, void *, u16),
+ u16 data)
{
/*
* Don't care about the performance hit of linearizing,