diff options
| author | Mika Kukkonen <mikukkon@iki.fi> | 2005-12-21 18:39:49 -0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2005-12-21 18:39:49 -0800 |
| commit | 7eb1b3d372a53fe9220b9e3b579886db0fe2f897 (patch) | |
| tree | 76d3b65fc078ac873428796bfd7d2785dd2a4aa4 /net/8021q | |
| parent | 0d77d59f6293438f25e0560172699c0d3e4ef5ac (diff) | |
| download | lwn-7eb1b3d372a53fe9220b9e3b579886db0fe2f897.tar.gz lwn-7eb1b3d372a53fe9220b9e3b579886db0fe2f897.zip | |
[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: Mika Kukkonen <mikukkon@iki.fi>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/8021q')
| -rw-r--r-- | net/8021q/vlan.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/net/8021q/vlan.c b/net/8021q/vlan.c index 91e412b0ab00..67465b65abe4 100644 --- a/net/8021q/vlan.c +++ b/net/8021q/vlan.c @@ -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; } |