[PATCH] vxlan: fix returnvar.cocci warnings

[kernel test robot]

From: kernel test robot <lkp@xxxxxxxxx>

drivers/net/vxlan/vxlan_core.c:2962:5-8: Unneeded variable: "ret". Return "0" on line 2971


 Remove unneeded variable used to store return value.

Generated by: scripts/coccinelle/misc/returnvar.cocci

Fixes: f9c4bb0b245c ("vxlan: vni filtering support on collect metadata device")
CC: Roopa Prabhu <roopa@xxxxxxxxxx>
Reported-by: kernel test robot <lkp@xxxxxxxxx>
Signed-off-by: kernel test robot <lkp@xxxxxxxxx>
---

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
head:   6d72dda014a4753974eb08950089ddf71fec4f60
commit: f9c4bb0b245cee35ef66f75bf409c9573d934cf9 [8808/13988] vxlan: vni filtering support on collect metadata device
:::::: branch date: 3 days ago
:::::: commit date: 3 weeks ago

 drivers/net/vxlan/vxlan_core.c |    3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

--- a/drivers/net/vxlan/vxlan_core.c
+++ b/drivers/net/vxlan/vxlan_core.c
@@ -2959,7 +2959,6 @@ static void vxlan_flush(struct vxlan_dev
 static int vxlan_stop(struct net_device *dev)
 {
 	struct vxlan_dev *vxlan = netdev_priv(dev);
-	int ret = 0;
 
 	vxlan_multicast_leave(vxlan);
 
@@ -2968,7 +2967,7 @@ static int vxlan_stop(struct net_device
 	vxlan_flush(vxlan, false);
 	vxlan_sock_release(vxlan);
 
-	return ret;
+	return 0;
 }
 
 /* Stub, nothing needs to be done. */