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-rw-r--r--net/key/af_key.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/net/key/af_key.c b/net/key/af_key.c
index 9bba7ac..7470e36 100644
--- a/net/key/af_key.c
+++ b/net/key/af_key.c
@@ -3030,6 +3030,9 @@ static int key_notify_sa_expire(struct xfrm_state *x, struct km_event *c)
static int pfkey_send_notify(struct xfrm_state *x, struct km_event *c)
{
+ if (atomic_read(&pfkey_socks_nr) == 0)
+ return 0;
+
switch (c->event) {
case XFRM_MSG_EXPIRE:
return key_notify_sa_expire(x, c);
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