[8021Q]: vlan_ioctl_handler: fix return value

net/8021q/vlan.c: In function 'vlan_ioctl_handler':
net/8021q/vlan.c:700: warning: 'err' may be used uninitialized in this function

The warning is incorrect, but from my reading this ioctl will return -EINVAL
on success.

Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 2 insertions, 0 deletions

diff --git a/net/8021q/vlan.c b/net/8021q/vlan.c
index cda936b77d22..1583c5ef963f 100644
--- a/net/8021q/vlan.c
+++ b/net/8021q/vlan.c
@@ -810,6 +810,7 @@ static int vlan_ioctl_handler(void __user *arg)
                 err = -EINVAL;
                 break;
         case GET_VLAN_REALDEV_NAME_CMD:
+                err = 0;
                 vlan_dev_get_realdev_name(dev, args.u.device2);
                 if (copy_to_user(arg, &args,
                                  sizeof(struct vlan_ioctl_args))) {
@@ -818,6 +819,7 @@ static int vlan_ioctl_handler(void __user *arg)
                 break;
 
         case GET_VLAN_VID_CMD:
+                err = 0;
                 vlan_dev_get_vid(dev, &vid);
                 args.u.VID = vid;
                 if (copy_to_user(arg, &args,