X-Git-Url: http://pilppa.org/gitweb/gitweb.cgi?a=blobdiff_plain;f=net%2Fipv6%2Freassembly.c;h=2eeadfa039cbb0e84e81efe33eaca668b93d26a7;hb=93c8b90f01f0dc73891da4e84b26524b61d29d66;hp=6ab957ec2dd6d4a64bee43cc20d754e7e85ca579;hpb=e27772b48df91a954a74b1411b57d83b945a58c7;p=linux-2.6-omap-h63xx.git diff --git a/net/ipv6/reassembly.c b/net/ipv6/reassembly.c index 6ab957ec2dd..2eeadfa039c 100644 --- a/net/ipv6/reassembly.c +++ b/net/ipv6/reassembly.c @@ -99,8 +99,8 @@ static int ip6_frag_reasm(struct frag_queue *fq, struct sk_buff *prev, * callers should be careful not to use the hash value outside the ipfrag_lock * as doing so could race with ipfrag_hash_rnd being recalculated. */ -static unsigned int ip6qhashfn(__be32 id, struct in6_addr *saddr, - struct in6_addr *daddr) +unsigned int inet6_hash_frag(__be32 id, const struct in6_addr *saddr, + const struct in6_addr *daddr, u32 rnd) { u32 a, b, c; @@ -110,7 +110,7 @@ static unsigned int ip6qhashfn(__be32 id, struct in6_addr *saddr, a += JHASH_GOLDEN_RATIO; b += JHASH_GOLDEN_RATIO; - c += ip6_frags.rnd; + c += rnd; __jhash_mix(a, b, c); a += (__force u32)saddr->s6_addr32[3]; @@ -125,13 +125,14 @@ static unsigned int ip6qhashfn(__be32 id, struct in6_addr *saddr, return c & (INETFRAGS_HASHSZ - 1); } +EXPORT_SYMBOL_GPL(inet6_hash_frag); static unsigned int ip6_hashfn(struct inet_frag_queue *q) { struct frag_queue *fq; fq = container_of(q, struct frag_queue, q); - return ip6qhashfn(fq->id, &fq->saddr, &fq->daddr); + return inet6_hash_frag(fq->id, &fq->saddr, &fq->daddr, ip6_frags.rnd); } int ip6_frag_match(struct inet_frag_queue *q, void *a) @@ -247,7 +248,7 @@ fq_find(struct net *net, __be32 id, struct in6_addr *src, struct in6_addr *dst, arg.dst = dst; read_lock(&ip6_frags.lock); - hash = ip6qhashfn(id, src, dst); + hash = inet6_hash_frag(id, src, dst, ip6_frags.rnd); q = inet_frag_find(&net->ipv6.frags, &ip6_frags, &arg, hash); if (q == NULL) @@ -473,8 +474,8 @@ static int ip6_frag_reasm(struct frag_queue *fq, struct sk_buff *prev, fq->q.fragments = head; } - BUG_TRAP(head != NULL); - BUG_TRAP(FRAG6_CB(head)->offset == 0); + WARN_ON(head == NULL); + WARN_ON(FRAG6_CB(head)->offset != 0); /* Unfragmented part is taken from the first segment. */ payload_len = ((head->data - skb_network_header(head)) -