libceph: osd_client: don't drop reply reference too early

[~andy/linux] / net / bridge / br_netfilter.c

diff --git a/net/bridge/br_netfilter.c b/net/bridge/br_netfilter.c
index 84122472656c3a70f0c0a93020768e81ecb3972a..dec4f3817133c879b524a65f0919b5dabcff46ea 100644 (file)
--- a/net/bridge/br_netfilter.c
+++ b/net/bridge/br_netfilter.c
@@ -62,6 +62,15 @@ static int brnf_filter_pppoe_tagged __read_mostly = 0;
 #define brnf_filter_pppoe_tagged 0
 #endif
 
+#define IS_IP(skb) \
+       (!vlan_tx_tag_present(skb) && skb->protocol == htons(ETH_P_IP))
+
+#define IS_IPV6(skb) \
+       (!vlan_tx_tag_present(skb) && skb->protocol == htons(ETH_P_IPV6))
+
+#define IS_ARP(skb) \
+       (!vlan_tx_tag_present(skb) && skb->protocol == htons(ETH_P_ARP))
+
 static inline __be16 vlan_proto(const struct sk_buff *skb)
 {
        if (vlan_tx_tag_present(skb))
@@ -639,8 +648,7 @@ static unsigned int br_nf_pre_routing(unsigned int hook, struct sk_buff *skb,
                return NF_DROP;
        br = p->br;
 
-       if (skb->protocol == htons(ETH_P_IPV6) || IS_VLAN_IPV6(skb) ||
-           IS_PPPOE_IPV6(skb)) {
+       if (IS_IPV6(skb) || IS_VLAN_IPV6(skb) || IS_PPPOE_IPV6(skb)) {
                if (!brnf_call_ip6tables && !br->nf_call_ip6tables)
                        return NF_ACCEPT;
 
@@ -651,8 +659,7 @@ static unsigned int br_nf_pre_routing(unsigned int hook, struct sk_buff *skb,
        if (!brnf_call_iptables && !br->nf_call_iptables)
                return NF_ACCEPT;
 
-       if (skb->protocol != htons(ETH_P_IP) && !IS_VLAN_IP(skb) &&
-           !IS_PPPOE_IP(skb))
+       if (!IS_IP(skb) && !IS_VLAN_IP(skb) && !IS_PPPOE_IP(skb))
                return NF_ACCEPT;
 
        nf_bridge_pull_encap_header_rcsum(skb);
@@ -701,7 +708,7 @@ static int br_nf_forward_finish(struct sk_buff *skb)
        struct nf_bridge_info *nf_bridge = skb->nf_bridge;
        struct net_device *in;
 
-       if (skb->protocol != htons(ETH_P_ARP) && !IS_VLAN_ARP(skb)) {
+       if (!IS_ARP(skb) && !IS_VLAN_ARP(skb)) {
                in = nf_bridge->physindev;
                if (nf_bridge->mask & BRNF_PKT_TYPE) {
                        skb->pkt_type = PACKET_OTHERHOST;
@@ -718,6 +725,7 @@ static int br_nf_forward_finish(struct sk_buff *skb)
        return 0;
 }
 
+
 /* This is the 'purely bridged' case.  For IP, we pass the packet to
  * netfilter with indev and outdev set to the bridge device,
  * but we are still able to filter on the 'real' indev/outdev
@@ -744,11 +752,9 @@ static unsigned int br_nf_forward_ip(unsigned int hook, struct sk_buff *skb,
        if (!parent)
                return NF_DROP;
 
-       if (skb->protocol == htons(ETH_P_IP) || IS_VLAN_IP(skb) ||
-           IS_PPPOE_IP(skb))
+       if (IS_IP(skb) || IS_VLAN_IP(skb) || IS_PPPOE_IP(skb))
                pf = PF_INET;
-       else if (skb->protocol == htons(ETH_P_IPV6) || IS_VLAN_IPV6(skb) ||
-                IS_PPPOE_IPV6(skb))
+       else if (IS_IPV6(skb) || IS_VLAN_IPV6(skb) || IS_PPPOE_IPV6(skb))
                pf = PF_INET6;
        else
                return NF_ACCEPT;
@@ -795,7 +801,7 @@ static unsigned int br_nf_forward_arp(unsigned int hook, struct sk_buff *skb,
        if (!brnf_call_arptables && !br->nf_call_arptables)
                return NF_ACCEPT;
 
-       if (skb->protocol != htons(ETH_P_ARP)) {
+       if (!IS_ARP(skb)) {
                if (!IS_VLAN_ARP(skb))
                        return NF_ACCEPT;
                nf_bridge_pull_encap_header(skb);
@@ -853,11 +859,9 @@ static unsigned int br_nf_post_routing(unsigned int hook, struct sk_buff *skb,
        if (!realoutdev)
                return NF_DROP;
 
-       if (skb->protocol == htons(ETH_P_IP) || IS_VLAN_IP(skb) ||
-           IS_PPPOE_IP(skb))
+       if (IS_IP(skb) || IS_VLAN_IP(skb) || IS_PPPOE_IP(skb))
                pf = PF_INET;
-       else if (skb->protocol == htons(ETH_P_IPV6) || IS_VLAN_IPV6(skb) ||
-                IS_PPPOE_IPV6(skb))
+       else if (IS_IPV6(skb) || IS_VLAN_IPV6(skb) || IS_PPPOE_IPV6(skb))
                pf = PF_INET6;
        else
                return NF_ACCEPT;