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| author | David S. Miller <davem@davemloft.net> | 2010-09-10 07:27:33 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2010-09-10 07:27:33 +0200 |
| commit | e548833df83c3554229eff0672900bfe958b45fd (patch) | |
| tree | 85efc4a76dc356593d6d394776aeb845dc580fb6 /net/unix | |
| parent | drivers/net/bnx2x: use ARRAY_SIZE macro in bnx2x_main.c (diff) | |
| parent | Merge branch 'vhost-net' of git://git.kernel.org/pub/scm/linux/kernel/git/mst... (diff) | |
| download | linux-e548833df83c3554229eff0672900bfe958b45fd.tar.xz linux-e548833df83c3554229eff0672900bfe958b45fd.zip | |
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 9077b4ea00c5..c586da3f4f18 100644 --- a/net/unix/af_unix.c +++ b/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 @@ retry: 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; |