[PATCH] handle errors returned by platform_get_irq*()

[linux-2.6] / net / 8021q / vlan.c

diff --git a/net/8021q/vlan.c b/net/8021q/vlan.c
index 91e412b0ab005b439e328cf8800f4ee08fb7bdeb..fa76220708ce7cb068ae127c0ea35c8bd72fdfe6 100644 (file)
--- 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;
 }