diff options
Diffstat (limited to 'net/8021q/vlan.c')
| -rw-r--r-- | net/8021q/vlan.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/net/8021q/vlan.c b/net/8021q/vlan.c index 91e412b0ab0..fa76220708c 100644 --- a/net/8021q/vlan.c +++ b/net/8021q/vlan.c @@ -19,6 +19,7 @@ */ #include <asm/uaccess.h> /* for copy_from_user */ +#include <linux/capability.h> #include <linux/module.h> #include <linux/netdevice.h> #include <linux/skbuff.h> @@ -753,6 +754,8 @@ 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 +764,8 @@ 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 +779,7 @@ static int vlan_ioctl_handler(void __user *arg) __FUNCTION__, args.cmd); return -EINVAL; }; - +out: return err; } |