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Commit 7eb1b3d3 authored by Mika Kukkonen's avatar Mika Kukkonen Committed by David S. Miller
Browse files

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



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

Signed-off-by: default avatarMika Kukkonen <mikukkon@iki.fi>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 0d77d59f

net/8021q/vlan.c

+5 −1
Original line number Diff line number Diff line
@@ -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;

}