[SK_BUFF]: Use skb_reset_network_header in skb_push cases skb_push updates and returns skb->data, so we can just call skb_reset_network_header after the call to skb_push. Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/core/netpoll.c b/net/core/netpoll.c index b4d1cdd..44e030e 100644 --- a/net/core/netpoll.c +++ b/net/core/netpoll.c
@@ -308,7 +308,9 @@ if (udph->check == 0) udph->check = CSUM_MANGLED_0; - skb->nh.iph = iph = (struct iphdr *)skb_push(skb, sizeof(*iph)); + skb_push(skb, sizeof(*iph)); + skb_reset_network_header(skb); + iph = skb->nh.iph; /* iph->version = 4; iph->ihl = 5; */ put_unaligned(0x45, (unsigned char *)iph);
diff --git a/net/ipv4/ip_gre.c b/net/ipv4/ip_gre.c index ced2c4b..f84ca66 100644 --- a/net/ipv4/ip_gre.c +++ b/net/ipv4/ip_gre.c
@@ -828,7 +828,8 @@ } skb->h.raw = skb->nh.raw; - skb->nh.raw = skb_push(skb, gre_hlen); + skb_push(skb, gre_hlen); + skb_reset_network_header(skb); memset(&(IPCB(skb)->opt), 0, sizeof(IPCB(skb)->opt)); IPCB(skb)->flags &= ~(IPSKB_XFRM_TUNNEL_SIZE | IPSKB_XFRM_TRANSFORMED | IPSKB_REROUTED);
diff --git a/net/ipv4/ip_output.c b/net/ipv4/ip_output.c index 32f1a23..d329718 100644 --- a/net/ipv4/ip_output.c +++ b/net/ipv4/ip_output.c
@@ -503,7 +503,8 @@ if (frag) { frag->ip_summed = CHECKSUM_NONE; frag->h.raw = frag->data; - frag->nh.raw = __skb_push(frag, hlen); + __skb_push(frag, hlen); + skb_reset_network_header(frag); memcpy(frag->nh.raw, iph, hlen); iph = frag->nh.iph; iph->tot_len = htons(frag->len);
diff --git a/net/ipv4/ipip.c b/net/ipv4/ipip.c index 5f886c8..843cc09 100644 --- a/net/ipv4/ipip.c +++ b/net/ipv4/ipip.c
@@ -619,7 +619,8 @@ } skb->h.raw = skb->nh.raw; - skb->nh.raw = skb_push(skb, sizeof(struct iphdr)); + skb_push(skb, sizeof(struct iphdr)); + skb_reset_network_header(skb); memset(&(IPCB(skb)->opt), 0, sizeof(IPCB(skb)->opt)); IPCB(skb)->flags &= ~(IPSKB_XFRM_TUNNEL_SIZE | IPSKB_XFRM_TRANSFORMED | IPSKB_REROUTED);
diff --git a/net/ipv4/ipmr.c b/net/ipv4/ipmr.c index f73f4e4..05c82ca 100644 --- a/net/ipv4/ipmr.c +++ b/net/ipv4/ipmr.c
@@ -1593,7 +1593,8 @@ return -ENOMEM; } - skb2->nh.raw = skb_push(skb2, sizeof(struct iphdr)); + skb_push(skb2, sizeof(struct iphdr)); + skb_reset_network_header(skb2); skb2->nh.iph->ihl = sizeof(struct iphdr)>>2; skb2->nh.iph->saddr = rt->rt_src; skb2->nh.iph->daddr = rt->rt_dst;
diff --git a/net/ipv4/ipvs/ip_vs_xmit.c b/net/ipv4/ipvs/ip_vs_xmit.c index f73c5ac..d1403d0 100644 --- a/net/ipv4/ipvs/ip_vs_xmit.c +++ b/net/ipv4/ipvs/ip_vs_xmit.c
@@ -385,7 +385,8 @@ /* fix old IP header checksum */ ip_send_check(old_iph); - skb->nh.raw = skb_push(skb, sizeof(struct iphdr)); + skb_push(skb, sizeof(struct iphdr)); + skb_reset_network_header(skb); memset(&(IPCB(skb)->opt), 0, sizeof(IPCB(skb)->opt)); /* drop old route */
diff --git a/net/ipv4/xfrm4_mode_beet.c b/net/ipv4/xfrm4_mode_beet.c index d419e15..eaaf356 100644 --- a/net/ipv4/xfrm4_mode_beet.c +++ b/net/ipv4/xfrm4_mode_beet.c
@@ -40,7 +40,8 @@ if (unlikely(optlen)) hdrlen += IPV4_BEET_PHMAXLEN - (optlen & 4); - skb->nh.raw = skb_push(skb, x->props.header_len + hdrlen); + skb_push(skb, x->props.header_len + hdrlen); + skb_reset_network_header(skb); top_iph = skb->nh.iph; skb->h.raw += sizeof(*iph) - hdrlen;
diff --git a/net/ipv4/xfrm4_mode_transport.c b/net/ipv4/xfrm4_mode_transport.c index 92676b7..290c0f2 100644 --- a/net/ipv4/xfrm4_mode_transport.c +++ b/net/ipv4/xfrm4_mode_transport.c
@@ -32,7 +32,9 @@ ihl = iph->ihl * 4; skb->h.raw += ihl; - skb->nh.raw = memmove(skb_push(skb, x->props.header_len), iph, ihl); + skb_push(skb, x->props.header_len); + skb_reset_network_header(skb); + memmove(skb->nh.raw, iph, ihl); return 0; }
diff --git a/net/ipv4/xfrm4_mode_tunnel.c b/net/ipv4/xfrm4_mode_tunnel.c index ffc6005..bec851f 100644 --- a/net/ipv4/xfrm4_mode_tunnel.c +++ b/net/ipv4/xfrm4_mode_tunnel.c
@@ -49,7 +49,8 @@ iph = skb->nh.iph; skb->h.ipiph = iph; - skb->nh.raw = skb_push(skb, x->props.header_len); + skb_push(skb, x->props.header_len); + skb_reset_network_header(skb); top_iph = skb->nh.iph; top_iph->ihl = 5;
diff --git a/net/ipv6/ip6_output.c b/net/ipv6/ip6_output.c index 4406546..8a7b5c7 100644 --- a/net/ipv6/ip6_output.c +++ b/net/ipv6/ip6_output.c
@@ -191,7 +191,9 @@ ipv6_push_nfrag_opts(skb, opt, &proto, &first_hop); } - hdr = skb->nh.ipv6h = (struct ipv6hdr*)skb_push(skb, sizeof(struct ipv6hdr)); + skb_push(skb, sizeof(struct ipv6hdr)); + skb_reset_network_header(skb); + hdr = skb->nh.ipv6h; /* * Fill in the IPv6 header @@ -626,7 +628,8 @@ __skb_pull(skb, hlen); fh = (struct frag_hdr*)__skb_push(skb, sizeof(struct frag_hdr)); - skb->nh.raw = __skb_push(skb, hlen); + __skb_push(skb, hlen); + skb_reset_network_header(skb); memcpy(skb->nh.raw, tmp_hdr, hlen); ipv6_select_ident(skb, fh); @@ -649,7 +652,8 @@ frag->ip_summed = CHECKSUM_NONE; frag->h.raw = frag->data; fh = (struct frag_hdr*)__skb_push(frag, sizeof(struct frag_hdr)); - frag->nh.raw = __skb_push(frag, hlen); + __skb_push(frag, hlen); + skb_reset_network_header(frag); memcpy(frag->nh.raw, tmp_hdr, hlen); offset += skb->len - hlen - sizeof(struct frag_hdr); fh->nexthdr = nexthdr; @@ -1346,7 +1350,9 @@ if (opt && opt->opt_nflen) ipv6_push_nfrag_opts(skb, opt, &proto, &final_dst); - skb->nh.ipv6h = hdr = (struct ipv6hdr*) skb_push(skb, sizeof(struct ipv6hdr)); + skb_push(skb, sizeof(struct ipv6hdr)); + skb_reset_network_header(skb); + hdr = skb->nh.ipv6h; *(__be32*)hdr = fl->fl6_flowlabel | htonl(0x60000000 | ((int)np->cork.tclass << 20));
diff --git a/net/ipv6/ip6_tunnel.c b/net/ipv6/ip6_tunnel.c index 30df8e6c..a1e4f39 100644 --- a/net/ipv6/ip6_tunnel.c +++ b/net/ipv6/ip6_tunnel.c
@@ -907,7 +907,8 @@ init_tel_txopt(&opt, encap_limit); ipv6_push_nfrag_opts(skb, &opt.ops, &proto, NULL); } - skb->nh.raw = skb_push(skb, sizeof(struct ipv6hdr)); + skb_push(skb, sizeof(struct ipv6hdr)); + skb_reset_network_header(skb); ipv6h = skb->nh.ipv6h; *(__be32*)ipv6h = fl->fl6_flowlabel | htonl(0x60000000); dsfield = INET_ECN_encapsulate(0, dsfield);
diff --git a/net/ipv6/sit.c b/net/ipv6/sit.c index 0477728..62883d4 100644 --- a/net/ipv6/sit.c +++ b/net/ipv6/sit.c
@@ -554,7 +554,8 @@ } skb->h.raw = skb->nh.raw; - skb->nh.raw = skb_push(skb, sizeof(struct iphdr)); + skb_push(skb, sizeof(struct iphdr)); + skb_reset_network_header(skb); memset(&(IPCB(skb)->opt), 0, sizeof(IPCB(skb)->opt)); IPCB(skb)->flags = 0; dst_release(skb->dst);