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authorPavel Emelyanov <xemul@openvz.org>2007-10-17 19:45:23 -0700
committerDavid S. Miller <davem@davemloft.net>2007-10-17 19:45:23 -0700
commite521db9d790aaa60ae8920e21cb7faedc280fc36 (patch)
treec58a138e9729eb61edaf697b9e259001fb92feb2 /net/ipv6
parent2588fe1d782f1686847493ad643157d5d10bf602 (diff)
[INET]: Consolidate xxx_frag_alloc()
Just perform the kzalloc() allocation and setup common fields in the inet_frag_queue(). Then return the result to the caller to initialize the rest. The inet_frag_alloc() may return NULL, so check the return value before doing the container_of(). This looks ugly, but the xxx_frag_alloc() will be removed soon. The xxx_expire() timer callbacks are patches, because the argument is now the inet_frag_queue, not the protocol specific queue. Signed-off-by: Pavel Emelyanov <xemul@openvz.org> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv6')
-rw-r--r--net/ipv6/netfilter/nf_conntrack_reasm.c19
-rw-r--r--net/ipv6/reassembly.c19
2 files changed, 15 insertions, 23 deletions
diff --git a/net/ipv6/netfilter/nf_conntrack_reasm.c b/net/ipv6/netfilter/nf_conntrack_reasm.c
index d7dc444ec48..3f8c16b3301 100644
--- a/net/ipv6/netfilter/nf_conntrack_reasm.c
+++ b/net/ipv6/netfilter/nf_conntrack_reasm.c
@@ -137,13 +137,10 @@ static void nf_frag_free(struct inet_frag_queue *q)
static inline struct nf_ct_frag6_queue *frag_alloc_queue(void)
{
- struct nf_ct_frag6_queue *fq;
+ struct inet_frag_queue *q;
- fq = kzalloc(sizeof(struct nf_ct_frag6_queue), GFP_ATOMIC);
- if (fq == NULL)
- return NULL;
- atomic_add(sizeof(struct nf_ct_frag6_queue), &nf_frags.mem);
- return fq;
+ q = inet_frag_alloc(&nf_frags);
+ return q ? container_of(q, struct nf_ct_frag6_queue, q) : NULL;
}
/* Destruction primitives. */
@@ -168,7 +165,10 @@ static void nf_ct_frag6_evictor(void)
static void nf_ct_frag6_expire(unsigned long data)
{
- struct nf_ct_frag6_queue *fq = (struct nf_ct_frag6_queue *) data;
+ struct nf_ct_frag6_queue *fq;
+
+ fq = container_of((struct inet_frag_queue *)data,
+ struct nf_ct_frag6_queue, q);
spin_lock(&fq->q.lock);
@@ -208,10 +208,6 @@ nf_ct_frag6_create(unsigned int hash, __be32 id, struct in6_addr *src, str
ipv6_addr_copy(&fq->saddr, src);
ipv6_addr_copy(&fq->daddr, dst);
- setup_timer(&fq->q.timer, nf_ct_frag6_expire, (unsigned long)fq);
- spin_lock_init(&fq->q.lock);
- atomic_set(&fq->q.refcnt, 1);
-
return nf_ct_frag6_intern(hash, fq);
oom:
@@ -726,6 +722,7 @@ int nf_ct_frag6_init(void)
nf_frags.skb_free = nf_skb_free;
nf_frags.qsize = sizeof(struct nf_ct_frag6_queue);
nf_frags.equal = ip6_frag_equal;
+ nf_frags.frag_expire = nf_ct_frag6_expire;
inet_frags_init(&nf_frags);
return 0;
diff --git a/net/ipv6/reassembly.c b/net/ipv6/reassembly.c
index 73ea204eaa6..21913c78f05 100644
--- a/net/ipv6/reassembly.c
+++ b/net/ipv6/reassembly.c
@@ -171,12 +171,10 @@ static void ip6_frag_free(struct inet_frag_queue *fq)
static inline struct frag_queue *frag_alloc_queue(void)
{
- struct frag_queue *fq = kzalloc(sizeof(struct frag_queue), GFP_ATOMIC);
+ struct inet_frag_queue *q;
- if(!fq)
- return NULL;
- atomic_add(sizeof(struct frag_queue), &ip6_frags.mem);
- return fq;
+ q = inet_frag_alloc(&ip6_frags);
+ return q ? container_of(q, struct frag_queue, q) : NULL;
}
/* Destruction primitives. */
@@ -205,9 +203,11 @@ static void ip6_evictor(struct inet6_dev *idev)
static void ip6_frag_expire(unsigned long data)
{
- struct frag_queue *fq = (struct frag_queue *) data;
+ struct frag_queue *fq;
struct net_device *dev = NULL;
+ fq = container_of((struct inet_frag_queue *)data, struct frag_queue, q);
+
spin_lock(&fq->q.lock);
if (fq->q.last_in & COMPLETE)
@@ -268,12 +268,6 @@ ip6_frag_create(__be32 id, struct in6_addr *src, struct in6_addr *dst,
ipv6_addr_copy(&fq->saddr, src);
ipv6_addr_copy(&fq->daddr, dst);
- init_timer(&fq->q.timer);
- fq->q.timer.function = ip6_frag_expire;
- fq->q.timer.data = (long) fq;
- spin_lock_init(&fq->q.lock);
- atomic_set(&fq->q.refcnt, 1);
-
return ip6_frag_intern(fq, hash);
oom:
@@ -685,5 +679,6 @@ void __init ipv6_frag_init(void)
ip6_frags.skb_free = NULL;
ip6_frags.qsize = sizeof(struct frag_queue);
ip6_frags.equal = ip6_frag_equal;
+ ip6_frags.frag_expire = ip6_frag_expire;
inet_frags_init(&ip6_frags);
}