b43: fix wldev use after free

Commit Message

Andrew Morton Oct. 6, 2009, 9:28 p.m. UTC

None

Patch

diff --git a/drivers/net/wireless/b43/leds.c b/drivers/net/wireless/b43/leds.c
index fbe3d4f..1e8dba4 100644
--- a/drivers/net/wireless/b43/leds.c
+++ b/drivers/net/wireless/b43/leds.c
@@ -348,9 +348,9 @@  void b43_leds_register(struct b43_wldev *dev)
 	}
 }
 
-void b43_leds_unregister(struct b43_wldev *dev)
+void b43_leds_unregister(struct b43_wl *wl)
 {
-	struct b43_leds *leds = &dev->wl->leds;
+	struct b43_leds *leds = &wl->leds;
 
 	b43_unregister_led(&leds->led_tx);
 	b43_unregister_led(&leds->led_rx);
diff --git a/drivers/net/wireless/b43/leds.h b/drivers/net/wireless/b43/leds.h
index 9592e4c..4c56187 100644
--- a/drivers/net/wireless/b43/leds.h
+++ b/drivers/net/wireless/b43/leds.h
@@ -60,7 +60,7 @@  enum b43_led_behaviour {
 };
 
 void b43_leds_register(struct b43_wldev *dev);
-void b43_leds_unregister(struct b43_wldev *dev);
+void b43_leds_unregister(struct b43_wl *wl);
 void b43_leds_init(struct b43_wldev *dev);
 void b43_leds_exit(struct b43_wldev *dev);
 void b43_leds_stop(struct b43_wldev *dev);
@@ -76,7 +76,7 @@  struct b43_leds {
 static inline void b43_leds_register(struct b43_wldev *dev)
 {
 }
-static inline void b43_leds_unregister(struct b43_wldev *dev)
+static inline void b43_leds_unregister(struct b43_wl *wl)
 {
 }
 static inline void b43_leds_init(struct b43_wldev *dev)
diff --git a/drivers/net/wireless/b43/main.c b/drivers/net/wireless/b43/main.c
index 9b907a3..130dcd5 100644
--- a/drivers/net/wireless/b43/main.c
+++ b/drivers/net/wireless/b43/main.c
@@ -4997,7 +4997,7 @@  static void b43_remove(struct ssb_device *dev)
 
 	if (list_empty(&wl->devlist)) {
 		b43_rng_exit(wl);
-		b43_leds_unregister(wldev);
+		b43_leds_unregister(wl);
 		/* Last core on the chip unregistered.
 		 * We can destroy common struct b43_wl.
 		 */