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-rw-r--r--net/ipv6/xfrm6_mode_ro.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/net/ipv6/xfrm6_mode_ro.c b/net/ipv6/xfrm6_mode_ro.c
index a7bc8c62317a..4a01cb3c370b 100644
--- a/net/ipv6/xfrm6_mode_ro.c
+++ b/net/ipv6/xfrm6_mode_ro.c
@@ -28,6 +28,7 @@
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/skbuff.h>
+#include <linux/spinlock.h>
#include <linux/stringify.h>
#include <linux/time.h>
#include <net/ipv6.h>
@@ -53,7 +54,9 @@ static int xfrm6_ro_output(struct xfrm_state *x, struct sk_buff *skb)
__skb_pull(skb, hdr_len);
memmove(ipv6_hdr(skb), iph, hdr_len);
+ spin_lock_bh(&x->lock);
x->lastused = get_seconds();
+ spin_unlock_bh(&x->lock);
return 0;
}