diff options
author | David S. Miller <davem@davemloft.net> | 2010-09-10 01:27:33 -0400 |
---|---|---|
committer | David S. Miller <davem@davemloft.net> | 2010-09-10 01:27:33 -0400 |
commit | e548833df83c3554229eff0672900bfe958b45fd (patch) | |
tree | 85efc4a76dc356593d6d394776aeb845dc580fb6 /net/unix | |
parent | cbd9da7be869f676afc204e1a664163778c770bd (diff) | |
parent | 053d8f6622701f849fda2ca2c9ae596c13599ba9 (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.c | 15 |
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; |