[PATCH] init_netdev missing locking

["Randy.Dunlap" <rddunlap@xxxxxxxx>]

It looks like the call to dev_alloc_name() in init_netdev()
isn't protected by the required locking.
This patch adds rtnl_lock/unlock around the call to dev_alloc_name().

Comments?  or please apply.

--
~Randy


description:    add required locking to init_netdev()'s call to
                dev_alloc_name()
patch_name:     netinit_alloc_lock.patch
product_versions: Linux 2.6.0-test7
maintainer:     davem@xxxxxxxxxx
author:         Randy.Dunlap <rddunlap@xxxxxxxx>
patch_version:  2003-10-15.10:55:51

diffstat:=
 drivers/net/net_init.c |    3 +++
 1 files changed, 3 insertions(+)

diff -Naurp ./drivers/net/net_init.c~dev_alloc_lock ./drivers/net/net_init.c
--- ./drivers/net/net_init.c~dev_alloc_lock     2003-10-15 10:53:02.000000000 
-0700
+++ ./drivers/net/net_init.c    2003-10-15 10:53:34.000000000 -0700
@@ -148,11 +148,14 @@ static struct net_device *init_netdev(st
         
        if (dev->name[0] == '\0' || dev->name[0] == ' ') {
                strcpy(dev->name, mask);
+               rtnl_lock();
                if (dev_alloc_name(dev, mask)<0) {
+                       rtnl_unlock();
                        if (new_device)
                                kfree(dev);
                        return NULL;
                }
+               rtnl_unlock();
        }
 
        netdev_boot_setup_check(dev);