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authorJeff Garzik <jgarzik@pobox.com>2005-08-24 00:55:22 -0400
committerJeff Garzik <jgarzik@pobox.com>2005-08-24 00:55:22 -0400
commit617e44fdfd7ee3d53388ab295d9411b826437ce9 (patch)
treeed6bd2a5960f706fa93c6df2cbfb75ede926fd1c /net/ipv4/tcp_ipv4.c
parent4887f76ec3d38e99286c9d0fdd6a719174d02e44 (diff)
parent0572e3da3ff5c3744b2f606ecf296d5f89a4bbdf (diff)
Merge /spare/repo/linux-2.6/
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 5d91213d34c0..67c670886c1f 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