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Consolidate proto->hash callback

PATCH Applied Pavel Emelyanov 2 participants 2 messages Nov 16, 2007 – Nov 20, 2007

Subsystems (2)
Networking Network drivers
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Pavel Emelyanov

author
#0 lore raw

PATCH 4/6 Consolidate proto->hash callback

Having the raw_hashinfo it's easy to consolidate the raw[46]_hash functions.

Signed-off-by Pavel Emelyanov <[email protected]>

---

include/net/raw.h +2 -0
index 70b27c7..43f1e3c 100644
@@ -39,4 +39,6 @@ extern int  raw_proc_init(void);
 extern void raw_proc_exit(void);
 #endif
 
+void raw_hash_sk(struct sock *sk, struct raw_hashinfo *h);
+
 #endif	/* _RAW_H */
net/ipv4/raw.c +12 -5
index 536aae1..3ed4350 100644
@@ -84,15 +84,22 @@ static struct raw_hashinfo raw_v4_hashinfo = {
 	.lock = __RW_LOCK_UNLOCKED(),
 };
 
-static void raw_v4_hash(struct sock *sk)
+void raw_hash_sk(struct sock *sk, struct raw_hashinfo *h)
 {
-	struct hlist_head *head = &raw_v4_hashinfo.ht[inet_sk(sk)->num &
-						 (RAW_HTABLE_SIZE - 1)];
+	struct hlist_head *head;
 
-	write_lock_bh(&raw_v4_hashinfo.lock);
+	head = &h->ht[inet_sk(sk)->num & (RAW_HTABLE_SIZE - 1)];
+
+	write_lock_bh(&h->lock);
 	sk_add_node(sk, head);
 	sock_prot_inc_use(sk->sk_prot);
-	write_unlock_bh(&raw_v4_hashinfo.lock);
+	write_unlock_bh(&h->lock);
+}
+EXPORT_SYMBOL_GPL(raw_hash_sk);
+
+static void raw_v4_hash(struct sock *sk)
+{
+	raw_hash_sk(sk, &raw_v4_hashinfo);
 }
 
 static void raw_v4_unhash(struct sock *sk)
net/ipv6/raw.c +1 -7
index afcbc47..62b8bc7 100644
@@ -67,13 +67,7 @@ static struct raw_hashinfo raw_v6_hashinfo = {
 
 static void raw_v6_hash(struct sock *sk)
 {
-	struct hlist_head *list = &raw_v6_hashinfo.ht[inet_sk(sk)->num &
-						 (RAW_HTABLE_SIZE - 1)];
-
-	write_lock_bh(&raw_v6_hashinfo.lock);
-	sk_add_node(sk, list);
-	sock_prot_inc_use(sk->sk_prot);
-	write_unlock_bh(&raw_v6_hashinfo.lock);
+	raw_hash_sk(sk, &raw_v6_hashinfo);
 }
 
 static void raw_v6_unhash(struct sock *sk)