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authorDavid S. Miller <davem@davemloft.net>2010-09-10 01:27:33 -0400
committerDavid S. Miller <davem@davemloft.net>2010-09-10 01:27:33 -0400
commite548833df83c3554229eff0672900bfe958b45fd (patch)
tree85efc4a76dc356593d6d394776aeb845dc580fb6 /net/unix
parentcbd9da7be869f676afc204e1a664163778c770bd (diff)
parent053d8f6622701f849fda2ca2c9ae596c13599ba9 (diff)
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
Conflicts: net/mac80211/main.c
Diffstat (limited to 'net/unix')
-rw-r--r--net/unix/af_unix.c15
1 files changed, 12 insertions, 3 deletions
diff --git a/net/unix/af_unix.c b/net/unix/af_unix.c
index 9077b4ea00c..c586da3f4f1 100644
--- a/net/unix/af_unix.c
+++ b/net/unix/af_unix.c
@@ -692,6 +692,7 @@ static int unix_autobind(struct socket *sock)
692 static u32 ordernum = 1; 692 static u32 ordernum = 1;
693 struct unix_address *addr; 693 struct unix_address *addr;
694 int err; 694 int err;
695 unsigned int retries = 0;
695 696
696 mutex_lock(&u->readlock); 697 mutex_lock(&u->readlock);
697 698
@@ -717,9 +718,17 @@ retry:
717 if (__unix_find_socket_byname(net, addr->name, addr->len, sock->type, 718 if (__unix_find_socket_byname(net, addr->name, addr->len, sock->type,
718 addr->hash)) { 719 addr->hash)) {
719 spin_unlock(&unix_table_lock); 720 spin_unlock(&unix_table_lock);
720 /* Sanity yield. It is unusual case, but yet... */ 721 /*
721 if (!(ordernum&0xFF)) 722 * __unix_find_socket_byname() may take long time if many names
722 yield(); 723 * are already in use.
724 */
725 cond_resched();
726 /* Give up if all names seems to be in use. */
727 if (retries++ == 0xFFFFF) {
728 err = -ENOSPC;
729 kfree(addr);
730 goto out;
731 }
723 goto retry; 732 goto retry;
724 } 733 }
725 addr->hash ^= sk->sk_type; 734 addr->hash ^= sk->sk_type;