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[VLAN]: Add two missing checks to vlan_ioctl_handler()

Browse source 
In vlan_ioctl_handler() the code misses couple checks for
error return values.

Signed-off-by: Mika Kukkonen <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
This commit is contained in:
Mika Kukkonen 2005-12-21 18:39:49 -08:00 • committed by David S. Miller
commit 7eb1b3d372
1 changed files with 5 additions and 1 deletions
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6
net/8021q/vlan.c
View file

@ -753,6 +753,8 @@ static int vlan_ioctl_handler(void __user *arg)
break;
case GET_VLAN_REALDEV_NAME_CMD:
err = vlan_dev_get_realdev_name(args.device1, args.u.device2);
if (err)
goto out;
if (copy_to_user(arg, &args,
sizeof(struct vlan_ioctl_args))) {
err = -EFAULT;
@ -761,6 +763,8 @@ static int vlan_ioctl_handler(void __user *arg)
case GET_VLAN_VID_CMD:
err = vlan_dev_get_vid(args.device1, &vid);
if (err)
goto out;
args.u.VID = vid;
if (copy_to_user(arg, &args,
sizeof(struct vlan_ioctl_args))) {
@ -774,7 +778,7 @@ static int vlan_ioctl_handler(void __user *arg)
__FUNCTION__, args.cmd);
return -EINVAL;
};
out:
return err;
}