hostap_cs: correct poor NULL checks in suspend/resume routines
authorJohn W. Linville <linville@tuxdriver.com>
Wed, 2 Jul 2008 15:04:24 +0000 (11:04 -0400)
committerJohn W. Linville <linville@tuxdriver.com>
Mon, 7 Jul 2008 19:22:53 +0000 (15:22 -0400)
This corrects this kernel.org bug:

http://bugzilla.kernel.org/show_bug.cgi?id=9701

Signed-off-by: John W. Linville <linville@tuxdriver.com>
drivers/net/wireless/hostap/hostap_cs.c

index 80039a0ae0276c6514978dd2d945bfc284520447..3b4e55cf33cd4a071b57a35144b4a3aa3b6883af 100644 (file)
@@ -777,8 +777,10 @@ static int hostap_cs_suspend(struct pcmcia_device *link)
        int dev_open = 0;
        struct hostap_interface *iface = NULL;
 
-       if (dev)
-               iface = netdev_priv(dev);
+       if (!dev)
+               return -ENODEV;
+
+       iface = netdev_priv(dev);
 
        PDEBUG(DEBUG_EXTRA, "%s: CS_EVENT_PM_SUSPEND\n", dev_info);
        if (iface && iface->local)
@@ -798,8 +800,10 @@ static int hostap_cs_resume(struct pcmcia_device *link)
        int dev_open = 0;
        struct hostap_interface *iface = NULL;
 
-       if (dev)
-               iface = netdev_priv(dev);
+       if (!dev)
+               return -ENODEV;
+
+       iface = netdev_priv(dev);
 
        PDEBUG(DEBUG_EXTRA, "%s: CS_EVENT_PM_RESUME\n", dev_info);