hostap_cs: correct poor NULL checks in suspend/resume routines

This corrects this kernel.org bug:

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

Signed-off-by: John W. Linville <linville@tuxdriver.com>

diff --git a/drivers/net/wireless/hostap/hostap_cs.c b/drivers/net/wireless/hostap/hostap_cs.c
index 80039a0..3b4e55c 100644 (file)
--- a/drivers/net/wireless/hostap/hostap_cs.c
+++ b/drivers/net/wireless/hostap/hostap_cs.c
@@ -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);