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-rw-r--r--net/ipv4/tcp_ipv4.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c
index 3ac6659..dad98e4 100644
--- a/net/ipv4/tcp_ipv4.c
+++ b/net/ipv4/tcp_ipv4.c
@@ -222,10 +222,13 @@ static int tcp_v4_get_port(struct sock *sk, unsigned short snum)
int rover;
spin_lock(&tcp_portalloc_lock);
- rover = tcp_port_rover;
+ if (tcp_port_rover < low)
+ rover = low;
+ else
+ rover = tcp_port_rover;
do {
rover++;
- if (rover < low || rover > high)
+ if (rover > high)
rover = low;
head = &tcp_bhash[tcp_bhashfn(rover)];
spin_lock(&head->lock);