X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=net%2F8021q%2Fvlan.c;h=fa76220708ce7cb068ae127c0ea35c8bd72fdfe6;hb=489447380a2921ec0e9154f773c44ab3167ede4b;hp=91e412b0ab005b439e328cf8800f4ee08fb7bdeb;hpb=2f058256cb64e346f4fb4499ff4e0f1c2791a4b4;p=linux-2.6

diff --git a/net/8021q/vlan.c b/net/8021q/vlan.c
index 91e412b0ab..fa76220708 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;
 }