[XFRM]: xfrm_find_acq_byseq should only return XFRM_STATE_ACQ states.

Signed-off-by: Patrick McHardy <kaber@trash.net>

net/xfrm/xfrm_state.c

@@ -609,7 +609,7 @@ static struct xfrm_state *__xfrm_find_acq_byseq(u32 seq)
 
 	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;
 			}