[patch] Protect dev_set* calls with rtnl_lock/rtnl_unlock

vmmon-kernel-2.6.13-rtnl-1.patch (text/plain), 1.07 KB, created by Dario Birtic on 2007-12-04 06:39:40 UTC

--- vmnet-only/bridge.c	2007-12-04 07:21:33.000000000 +0100
+++ vmnet-only/bridge.c.new	2007-12-04 07:24:07.000000000 +0100
@@ -132,7 +132,9 @@
     * correctly i.e. they would not be able to send data packets.
     */
    if (!bridge->enabledPromisc && !bridge->wirelessAdapter) {
+      rtnl_lock();
       dev_set_promiscuity(dev, 1);
+      rtnl_unlock();
       bridge->enabledPromisc = TRUE;
       bridge->warnPromisc = FALSE;
       LOG(0, (KERN_NOTICE "bridge-%s: enabled promiscuous mode\n",
@@ -165,7 +167,9 @@
    struct net_device *dev = bridge->dev;
 
    if (bridge->enabledPromisc && !bridge->wirelessAdapter) {
+      rtnl_lock();
       dev_set_promiscuity(dev, -1);
+      rtnl_unlock();
       bridge->enabledPromisc = FALSE;
       LOG(0, (KERN_NOTICE "bridge-%s: disabled promiscuous mode\n",
 	      bridge->name));
@@ -207,7 +211,9 @@
 	            "Your Ethernet driver is not compatible with VMware's bridged networking.\n",
                     bridge->name));
          }
+	 rtnl_lock();
          dev_set_promiscuity(dev, 0);
+	 rtnl_unlock();
       }
    }
 }