Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6

[GitHub/mt8127/android_kernel_alcatel_ttab.git] / drivers / net / tun.c

diff --git a/drivers/net/tun.c b/drivers/net/tun.c
index 5db4df4600492d4fb1c7a3c7e5e85f7fef6e2c55..7b816a032957b61d692b897c33517bc3f7ad81a3 100644 (file)
--- a/drivers/net/tun.c
+++ b/drivers/net/tun.c
@@ -506,7 +506,7 @@ static int tun_set_iff(struct file *file, struct ifreq *ifr)
                /* Be promiscuous by default to maintain previous behaviour. */
                tun->if_flags = IFF_PROMISC;
                /* Generate random Ethernet address. */
-               *(u16 *)tun->dev_addr = htons(0x00FF);
+               *(__be16 *)tun->dev_addr = htons(0x00FF);
                get_random_bytes(tun->dev_addr + sizeof(u16), 4);
                memset(tun->chr_filter, 0, sizeof tun->chr_filter);
 
@@ -529,9 +529,13 @@ static int tun_set_iff(struct file *file, struct ifreq *ifr)
 
        if (ifr->ifr_flags & IFF_NO_PI)
                tun->flags |= TUN_NO_PI;
+       else
+               tun->flags &= ~TUN_NO_PI;
 
        if (ifr->ifr_flags & IFF_ONE_QUEUE)
                tun->flags |= TUN_ONE_QUEUE;
+       else
+               tun->flags &= ~TUN_ONE_QUEUE;
 
        file->private_data = tun;
        tun->attached = 1;
@@ -659,7 +663,11 @@ static int tun_chr_ioctl(struct inode *inode, struct file *file,
        case SIOCSIFHWADDR:
        {
                /* try to set the actual net device's hw address */
-               int ret = dev_set_mac_address(tun->dev, &ifr.ifr_hwaddr);
+               int ret;
+
+               rtnl_lock();
+               ret = dev_set_mac_address(tun->dev, &ifr.ifr_hwaddr);
+               rtnl_unlock();
 
                if (ret == 0) {
                        /** Set the character device's hardware address. This is used when