[3/9] [IPSEC]: Fix __xfrm_find_acq_byseq()

[Chris Wright]

-stable review patch.  If anyone has any objections, please let us know.

----

From: "David S. Miller" <davem@xxxxxxxxxxxxx>

This function, as it's name implies, is supposed to only
return IPSEC objects which are in the XFRM_STATE_ACQ
("acquire") state.  But it returns any object with the
matching sequence number.

This is wrong and confuses IPSEC daemons to no end.

[XFRM]: xfrm_find_acq_byseq should only return XFRM_STATE_ACQ states.

Signed-off-by: Patrick McHardy <kaber@xxxxxxxxx>
Signed-off-by: Chris Wright <chrisw@xxxxxxxx>

diff -Nru a/net/xfrm/xfrm_state.c b/net/xfrm/xfrm_state.c
--- a/net/xfrm/xfrm_state.c	2005-03-16 14:27:04 -08:00
+++ b/net/xfrm/xfrm_state.c	2005-03-16 14:27:04 -08:00
@@ -609,7 +609,7 @@
 
 	for (i = 0; i < XFRM_DST_HSIZE; i++) {
 		list_for_each_entry(x, xfrm_state_bydst+i, bydst) {
-			if (x->km.seq == seq) {
+			if (x->km.seq == seq && x->km.state == XFRM_STATE_ACQ) {
 				xfrm_state_hold(x);
 				return x;
 			}
-
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