net: Zero terminate ifr_name in dev_ifname().

[linux-2.6-microblaze.git] / net / core / dev_ioctl.c

diff --git a/net/core/dev_ioctl.c b/net/core/dev_ioctl.c
index 7657ad6..06b147d 100644 (file)
--- a/net/core/dev_ioctl.c
+++ b/net/core/dev_ioctl.c
@@ -28,6 +28,7 @@ static int dev_ifname(struct net *net, struct ifreq __user *arg)
 
        if (copy_from_user(&ifr, arg, sizeof(struct ifreq)))
                return -EFAULT;
+       ifr.ifr_name[IFNAMSIZ-1] = 0;
 
        error = netdev_get_name(net, ifr.ifr_name, ifr.ifr_ifindex);
        if (error)