From: Julia Lawall <[email protected]>

Netdev_priv is an accessor function, and has no purpose if its result is
not used.

A simplified version of the semantic match that fixes this problem is as
follows: (http://coccinelle.lip6.fr/)

// <smpl>
@@ local idexpression x; @@
-x = netdev_priv(...);
... when != x
// </smpl>

Signed-off-by: Julia Lawall <[email protected]>

---
 net/ipv4/ip_tunnel.c |    3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/net/ipv4/ip_tunnel.c b/net/ipv4/ip_tunnel.c
index b3f8597..059176d 100644
--- a/net/ipv4/ip_tunnel.c
+++ b/net/ipv4/ip_tunnel.c
@@ -395,11 +395,10 @@ static struct ip_tunnel *ip_tunnel_create(struct net *net,
                                          struct ip_tunnel_net *itn,
                                          struct ip_tunnel_parm *parms)
 {
-       struct ip_tunnel *nt, *fbt;
+       struct ip_tunnel *nt;
        struct net_device *dev;
 
        BUG_ON(!itn->fb_tunnel_dev);
-       fbt = netdev_priv(itn->fb_tunnel_dev);
        dev = __ip_tunnel_create(net, itn->fb_tunnel_dev->rtnl_link_ops, parms);
        if (IS_ERR(dev))
                return ERR_CAST(dev);

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [email protected]
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

Reply via email to