[PATCH 1/1 net-next] esp4: remove assignment in if condition

[Fabian Frederick]

Signed-off-by: Fabian Frederick <fabf@xxxxxxxxx>
---
 net/ipv4/esp4.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/net/ipv4/esp4.c b/net/ipv4/esp4.c
index 360b565..9dd66ee 100644
--- a/net/ipv4/esp4.c
+++ b/net/ipv4/esp4.c
@@ -392,8 +392,11 @@ static int esp_input(struct xfrm_state *x, struct sk_buff *skb)
 	if (elen <= 0)
 		goto out;
 
-	if ((err = skb_cow_data(skb, 0, &trailer)) < 0)
+	err = skb_cow_data(skb, 0, &trailer);
+
+	if (err < 0)
 		goto out;
+
 	nfrags = err;
 
 	assoclen = sizeof(*esph);
-- 
1.9.3

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