net: convert BUG_TRAP to generic WARN_ON

[linux-2.6-omap-h63xx.git] / net / ipv4 / ip_fragment.c

diff --git a/net/ipv4/ip_fragment.c b/net/ipv4/ip_fragment.c
index fbd5804b5d83a56d93fde16d898dd2880a7e6da1..2152d222b954b3eca22bba260e30a5a551316da0 100644 (file)
--- a/net/ipv4/ip_fragment.c
+++ b/net/ipv4/ip_fragment.c
@@ -178,7 +178,7 @@ static void ip_evictor(struct net *net)
 
        evicted = inet_frag_evictor(&net->ipv4.frags, &ip4_frags);
        if (evicted)
-               IP_ADD_STATS_BH(IPSTATS_MIB_REASMFAILS, evicted);
+               IP_ADD_STATS_BH(net, IPSTATS_MIB_REASMFAILS, evicted);
 }
 
 /*
@@ -187,8 +187,10 @@ static void ip_evictor(struct net *net)
 static void ip_expire(unsigned long arg)
 {
        struct ipq *qp;
+       struct net *net;
 
        qp = container_of((struct inet_frag_queue *) arg, struct ipq, q);
+       net = container_of(qp->q.net, struct net, ipv4.frags);
 
        spin_lock(&qp->q.lock);
 
@@ -197,14 +199,12 @@ static void ip_expire(unsigned long arg)
 
        ipq_kill(qp);
 
-       IP_INC_STATS_BH(IPSTATS_MIB_REASMTIMEOUT);
-       IP_INC_STATS_BH(IPSTATS_MIB_REASMFAILS);
+       IP_INC_STATS_BH(net, IPSTATS_MIB_REASMTIMEOUT);
+       IP_INC_STATS_BH(net, IPSTATS_MIB_REASMFAILS);
 
        if ((qp->q.last_in & INET_FRAG_FIRST_IN) && qp->q.fragments != NULL) {
                struct sk_buff *head = qp->q.fragments;
-               struct net *net;
 
-               net = container_of(qp->q.net, struct net, ipv4.frags);
                /* Send an ICMP "Fragment Reassembly Timeout" message. */
                if ((head->dev = dev_get_by_index(net, qp->iif)) != NULL) {
                        icmp_send(head, ICMP_TIME_EXCEEDED, ICMP_EXC_FRAGTIME, 0);
@@ -261,7 +261,10 @@ static inline int ip_frag_too_far(struct ipq *qp)
        rc = qp->q.fragments && (end - start) > max;
 
        if (rc) {
-               IP_INC_STATS_BH(IPSTATS_MIB_REASMFAILS);
+               struct net *net;
+
+               net = container_of(qp->q.net, struct net, ipv4.frags);
+               IP_INC_STATS_BH(net, IPSTATS_MIB_REASMFAILS);
        }
 
        return rc;
@@ -485,8 +488,8 @@ static int ip_frag_reasm(struct ipq *qp, struct sk_buff *prev,
                qp->q.fragments = head;
        }
 
-       BUG_TRAP(head != NULL);
-       BUG_TRAP(FRAG_CB(head)->offset == 0);
+       WARN_ON(head == NULL);
+       WARN_ON(FRAG_CB(head)->offset != 0);
 
        /* Allocate a new buffer for the datagram. */
        ihlen = ip_hdrlen(head);
@@ -545,7 +548,7 @@ static int ip_frag_reasm(struct ipq *qp, struct sk_buff *prev,
        iph = ip_hdr(head);
        iph->frag_off = 0;
        iph->tot_len = htons(len);
-       IP_INC_STATS_BH(IPSTATS_MIB_REASMOKS);
+       IP_INC_STATS_BH(dev_net(dev), IPSTATS_MIB_REASMOKS);
        qp->q.fragments = NULL;
        return 0;
 
@@ -560,7 +563,7 @@ out_oversize:
                        "Oversized IP packet from " NIPQUAD_FMT ".\n",
                        NIPQUAD(qp->saddr));
 out_fail:
-       IP_INC_STATS_BH(IPSTATS_MIB_REASMFAILS);
+       IP_INC_STATS_BH(dev_net(dev), IPSTATS_MIB_REASMFAILS);
        return err;
 }
 
@@ -570,9 +573,9 @@ int ip_defrag(struct sk_buff *skb, u32 user)
        struct ipq *qp;
        struct net *net;
 
-       IP_INC_STATS_BH(IPSTATS_MIB_REASMREQDS);
-
        net = skb->dev ? dev_net(skb->dev) : dev_net(skb->dst->dev);
+       IP_INC_STATS_BH(net, IPSTATS_MIB_REASMREQDS);
+
        /* Start by cleaning up the memory. */
        if (atomic_read(&net->ipv4.frags.mem) > net->ipv4.frags.high_thresh)
                ip_evictor(net);
@@ -590,7 +593,7 @@ int ip_defrag(struct sk_buff *skb, u32 user)
                return ret;
        }
 
-       IP_INC_STATS_BH(IPSTATS_MIB_REASMFAILS);
+       IP_INC_STATS_BH(net, IPSTATS_MIB_REASMFAILS);
        kfree_skb(skb);
        return -ENOMEM;
 }