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author | Chris Wilson <chris@chris-wilson.co.uk> | 2010-09-21 11:19:32 +0100 |
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committer | Chris Wilson <chris@chris-wilson.co.uk> | 2010-09-21 11:19:32 +0100 |
commit | e9e5f8e8d373e72f5c39dafde1ce110fc7082118 (patch) | |
tree | 2991e33571a59cc2488daef36dcfeab7bddb9d7f /net/unix/af_unix.c | |
parent | f899fc64cda8569d0529452aafc0da31c042df2e (diff) | |
parent | db8c076b9206ea35b1f7299708d5510b17674db2 (diff) | |
download | blackbird-op-linux-e9e5f8e8d373e72f5c39dafde1ce110fc7082118.tar.gz blackbird-op-linux-e9e5f8e8d373e72f5c39dafde1ce110fc7082118.zip |
Merge branch 'drm-intel-fixes' into HEAD
Conflicts:
drivers/char/agp/intel-agp.c
drivers/gpu/drm/i915/intel_crt.c
Diffstat (limited to 'net/unix/af_unix.c')
-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 4414a18c63b4..0b39b2451ea5 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; |