[PATCH linux-next] net: ipv6: Fix compiler warning

From: Stratos Karafotis
Date: Mon Feb 18 2013 - 15:38:52 EST

Fix the following compiler warning (also a checkpatch error):

net/ipv6/xfrm6_mode_tunnel.c: In function ‘xfrm6_mode_tunnel_input’:
net/ipv6/xfrm6_mode_tunnel.c:72:2: warning: suggest parentheses around
assignment used as truth value [-Wparentheses]

Signed-off-by: Stratos Karafotis <stratosk@xxxxxxxxxxxx>
net/ipv6/xfrm6_mode_tunnel.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/net/ipv6/xfrm6_mode_tunnel.c b/net/ipv6/xfrm6_mode_tunnel.c
index 93c41a8..9bf6a74 100644
--- a/net/ipv6/xfrm6_mode_tunnel.c
+++ b/net/ipv6/xfrm6_mode_tunnel.c
@@ -69,7 +69,8 @@ static int xfrm6_mode_tunnel_input(struct xfrm_state *x, struct sk_buff *skb)
if (!pskb_may_pull(skb, sizeof(struct ipv6hdr)))
goto out;

- if (err = skb_unclone(skb, GFP_ATOMIC))
+ err = skb_unclone(skb, GFP_ATOMIC);
+ if (err)
goto out;

if (x->props.flags & XFRM_STATE_DECAP_DSCP)

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