From 75afbeee218f16a96cb00b1e776620b7e313841a Mon Sep 17 00:00:00 2001
From: Martin Willi <martin@revosec.ch>
Date: Wed, 9 Apr 2014 10:42:36 +0200
Subject: kernel-wfp: Clone acquire traffic selectors only if they exist

---
 src/libcharon/plugins/kernel_wfp/kernel_wfp_ipsec.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

(limited to 'src/libcharon/plugins/kernel_wfp/kernel_wfp_ipsec.c')

diff --git a/src/libcharon/plugins/kernel_wfp/kernel_wfp_ipsec.c b/src/libcharon/plugins/kernel_wfp/kernel_wfp_ipsec.c
index 4f1fc7590..5b44f85b5 100644
--- a/src/libcharon/plugins/kernel_wfp/kernel_wfp_ipsec.c
+++ b/src/libcharon/plugins/kernel_wfp/kernel_wfp_ipsec.c
@@ -1503,8 +1503,10 @@ static void acquire(private_kernel_wfp_ipsec_t *this, UINT64 filter_id,
 
 	if (reqid)
 	{
+		src = src ? src->clone(src) : NULL;
+		dst = dst ? dst->clone(dst) : NULL;
 		hydra->kernel_interface->acquire(hydra->kernel_interface, reqid,
-										 src->clone(src), dst->clone(dst));
+										 src, dst);
 	}
 }
 
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