libertas: fix memory corruption in lbs_remove_card()

"priv" is stored at the end of the wiphy structure, which is freed
during the call to lbs_cfg_free(). It must not be touched afterwards.

Remove the unnecessary NULL assignment causing this memory corruption.

Signed-off-by: Daniel Drake <dsd@laptop.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

diff --git a/drivers/net/wireless/libertas/main.c b/drivers/net/wireless/libertas/main.c
index 46b88b118c992c12764084233f8633a62a01a629..fcd1bbfc632d527364b8f1fc91abd70ba3242225 100644 (file)
--- a/drivers/net/wireless/libertas/main.c
+++ b/drivers/net/wireless/libertas/main.c
@@ -915,8 +915,6 @@ void lbs_remove_card(struct lbs_private *priv)
 
        lbs_free_adapter(priv);
        lbs_cfg_free(priv);
-
-       priv->dev = NULL;
        free_netdev(dev);
 
        lbs_deb_leave(LBS_DEB_MAIN);