[PATCH nf-next] netfilter: nf_defrag_ipv4: Drop redundant ip_send_check()

From: Joe Stringer
Date: Wed Feb 03 2016 - 13:09:09 EST


Since commit 0848f6428ba3 ("inet: frags: fix defragmented packet's IP
header for af_packet"), ip_send_check() would be called twice for
defragmentation that occurs from netfilter ipv4 defrag hooks. Remove the
extra call.

Signed-off-by: Joe Stringer <joe@xxxxxxx>
---
net/ipv4/netfilter/nf_defrag_ipv4.c | 4 +---
1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/net/ipv4/netfilter/nf_defrag_ipv4.c b/net/ipv4/netfilter/nf_defrag_ipv4.c
index 6fb869f646bf..47a541578aeb 100644
--- a/net/ipv4/netfilter/nf_defrag_ipv4.c
+++ b/net/ipv4/netfilter/nf_defrag_ipv4.c
@@ -33,10 +33,8 @@ static int nf_ct_ipv4_gather_frags(struct net *net, struct sk_buff *skb,
err = ip_defrag(net, skb, user);
local_bh_enable();

- if (!err) {
- ip_send_check(ip_hdr(skb));
+ if (!err)
skb->ignore_df = 1;
- }

return err;
}
--
2.1.4