Thread (9 messages) 9 messages, 2 authors, 2016-08-31
STALE3611d
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[PATCH 7/7] netfilter: nf_tables_netdev: remove redundant ip_hdr assignment

From: Pablo Neira Ayuso <pablo@netfilter.org>
Date: 2016-08-30 11:26:56
Also in: netfilter-devel
Subsystem: netfilter, networking [general], the rest · Maintainers: Pablo Neira Ayuso, Florian Westphal, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds 

From: Liping Zhang <redacted>

We have already use skb_header_pointer to get the ip header pointer,
so there's no need to use ip_hdr again. Moreover, in NETDEV INGRESS
hook, ip header maybe not linear, so use ip_hdr is not appropriate,
remove it.

Signed-off-by: Liping Zhang <redacted>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
---
 net/netfilter/nf_tables_netdev.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/net/netfilter/nf_tables_netdev.c b/net/netfilter/nf_tables_netdev.c
index 5eefe4a..75d696f 100644
--- a/net/netfilter/nf_tables_netdev.c
+++ b/net/netfilter/nf_tables_netdev.c
@@ -30,7 +30,6 @@ nft_netdev_set_pktinfo_ipv4(struct nft_pktinfo *pkt,
 	if (!iph)
 		return;
 
-	iph = ip_hdr(skb);
 	if (iph->ihl < 5 || iph->version != 4)
 		return;
 
-- 
2.1.4
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