---

yaml --- r: 210580 b: refs/heads/master c: 8df73ff h: refs/heads/master v: v3
git-mirror · Sep 7, 2010 · f33d6ab · f33d6ab
1 parent e4c6bd0
commit f33d6ab
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Showing 2 changed files with 13 additions and 4 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 32737e934a952c1b0c744f2a78d80089d15c7ee3
+refs/heads/master: 8df73ff90f00f14d2c7ff7156f7ef153f7e9d3b7
diff --git a/trunk/net/unix/af_unix.c b/trunk/net/unix/af_unix.c
@@ -692,6 +692,7 @@ static int unix_autobind(struct socket *sock)
 	static u32 ordernum = 1;
 	struct unix_address *addr;
 	int err;
+	unsigned int retries = 0;
 
 	mutex_lock(&u->readlock);
 
@@ -717,9 +718,17 @@ static int unix_autobind(struct socket *sock)
 	if (__unix_find_socket_byname(net, addr->name, addr->len, sock->type,
 				      addr->hash)) {
 		spin_unlock(&unix_table_lock);
-		/* Sanity yield. It is unusual case, but yet... */
-		if (!(ordernum&0xFF))
-			yield();
+		/*
+		 * __unix_find_socket_byname() may take long time if many names
+		 * are already in use.
+		 */
+		cond_resched();
+		/* Give up if all names seems to be in use. */
+		if (retries++ == 0xFFFFF) {
+			err = -ENOSPC;
+			kfree(addr);
+			goto out;
+		}
 		goto retry;
 	}
 	addr->hash ^= sk->sk_type;