diff options
author | Robert Richter <robert.richter@amd.com> | 2010-10-01 08:54:17 +0200 |
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committer | Robert Richter <robert.richter@amd.com> | 2010-10-01 08:54:17 +0200 |
commit | ef70fcc0cd5d98f5e2df82c9e598b47f351d4f66 (patch) | |
tree | b801ba4d7ebb1155df68d530df49444ffa6252cc /net/unix/af_unix.c | |
parent | 4cbe75be5c6ae86bdc7daec864eeb2dfd66f48bb (diff) | |
parent | 98d943b02f6f1b57787ff1aa6f34d019a407e3ee (diff) |
Merge branch 'oprofile/urgent' into oprofile/core
Conflicts:
arch/arm/oprofile/common.c
Signed-off-by: Robert Richter <robert.richter@amd.com>
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 4414a18c63b..0b39b2451ea 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; |