[PATCH] libertas: fix oops on rmmod

Use list_for_each_entry_safe, to protect against list_del().

Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 2 insertions, 5 deletions

diff --git a/drivers/net/wireless/libertas/if_usb.c b/drivers/net/wireless/libertas/if_usb.c
index 10698a1c1c30..de7a2e2babe6 100644
--- a/drivers/net/wireless/libertas/if_usb.c
+++ b/drivers/net/wireless/libertas/if_usb.c
@@ -970,15 +970,12 @@ static int if_usb_init_module(void)
 
 static void if_usb_exit_module(void)
 {
-        struct list_head *ptr;
-        struct usb_card_rec *cardp;
+        struct usb_card_rec *cardp, *cardp_temp;
 
         lbs_deb_enter(LBS_DEB_MAIN);
 
-        list_for_each(ptr, &usb_devices) {
-                cardp = list_entry(ptr, struct usb_card_rec, list);
+        list_for_each_entry_safe(cardp, cardp_temp, &usb_devices, list)
                 if_usb_reset_device((wlan_private *) cardp->priv);
-        }
 
         /* API unregisters the driver from USB subsystem */
         usb_deregister(&if_usb_driver);