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authorJeff Garzik <jgarzik@pobox.com>2005-08-24 01:03:34 -0400
committerJeff Garzik <jgarzik@pobox.com>2005-08-24 01:03:34 -0400
commit75a95178dafb5c8d69b4abe45ea746a9cea23142 (patch)
tree1dbf80c83d9521dcdebc9e670f48da6c1ba34187 /net/ipv4/tcp_ipv4.c
parent8531c5ffbca65f6df868637c26e6df6f88bff738 (diff)
parent0572e3da3ff5c3744b2f606ecf296d5f89a4bbdf (diff)
Merge upstream into 'upstream' branch of netdev-2.6.git.
Hand fix merge conflict in drivers/net/tokenring/Kconfig.
Diffstat (limited to 'net/ipv4/tcp_ipv4.c')
-rw-r--r--net/ipv4/tcp_ipv4.c9
1 files changed, 7 insertions, 2 deletions
diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c
index 5d91213d34c..67c670886c1 100644
--- a/net/ipv4/tcp_ipv4.c
+++ b/net/ipv4/tcp_ipv4.c
@@ -242,9 +242,14 @@ static int tcp_v4_get_port(struct sock *sk, unsigned short snum)
tcp_port_rover = rover;
spin_unlock(&tcp_portalloc_lock);
- /* Exhausted local port range during search? */
+ /* Exhausted local port range during search? It is not
+ * possible for us to be holding one of the bind hash
+ * locks if this test triggers, because if 'remaining'
+ * drops to zero, we broke out of the do/while loop at
+ * the top level, not from the 'break;' statement.
+ */
ret = 1;
- if (remaining <= 0)
+ if (unlikely(remaining <= 0))
goto fail;
/* OK, here is the one we will use. HEAD is