4 files changed, 7 insertions, 11 deletions
diff --git a/drivers/staging/ozwpan/ozevent.c b/drivers/staging/ozwpan/ozevent.c
index a48498bd9b5f..50578ba0061c 100644
--- a/drivers/staging/ozwpan/ozevent.c
+++ b/drivers/staging/ozwpan/ozevent.c
@@ -79,6 +79,7 @@ void oz_event_log2(u8 evt, u8 ctx1, u16 ctx2, void *ctx3, unsigned ctx4)
 /*------------------------------------------------------------------------------
  * Context: process
  */
+#ifdef CONFIG_DEBUG_FS
 static void oz_events_clear(struct oz_evtdev *dev)
 {
 	unsigned long irqstate;
@@ -88,7 +89,6 @@ static void oz_events_clear(struct oz_evtdev *dev)
 	dev->missed_events = 0;
 	spin_unlock_irqrestore(&dev->lock, irqstate);
 }
-#ifdef CONFIG_DEBUG_FS
 /*------------------------------------------------------------------------------
  * Context: process
  */
diff --git a/drivers/staging/ozwpan/ozhcd.c b/drivers/staging/ozwpan/ozhcd.c
index 2e087acf1578..b2d77df2a526 100644
--- a/drivers/staging/ozwpan/ozhcd.c
+++ b/drivers/staging/ozwpan/ozhcd.c
@@ -278,8 +278,7 @@ static void oz_free_urb_link(struct oz_urb_link *urbl)
 			g_link_pool_size++;
 		}
 		spin_unlock_irqrestore(&g_link_lock, irq_state);
-		if (urbl)
-			kfree(urbl);
+		kfree(urbl);
 	}
 }
 /*------------------------------------------------------------------------------
@@ -2304,8 +2303,8 @@ error:
  */
 void oz_hcd_term(void)
 {
-	tasklet_disable(&g_urb_process_tasklet);
-	tasklet_disable(&g_urb_cancel_tasklet);
+	tasklet_kill(&g_urb_process_tasklet);
+	tasklet_kill(&g_urb_cancel_tasklet);
 	platform_device_unregister(g_plat_dev);
 	platform_driver_unregister(&g_oz_plat_drv);
 	oz_trace("Pending urbs:%d\n", atomic_read(&g_pending_urbs));
diff --git a/drivers/staging/ozwpan/ozpd.c b/drivers/staging/ozwpan/ozpd.c
index 0b3648ce9687..118a4db74dec 100644
--- a/drivers/staging/ozwpan/ozpd.c
+++ b/drivers/staging/ozwpan/ozpd.c
@@ -402,8 +402,7 @@ static void oz_tx_frame_free(struct oz_pd *pd, struct oz_tx_frame *f)
 		f = 0;
 	}
 	spin_unlock_bh(&pd->tx_frame_lock);
-	if (f)
-		kfree(f);
+	kfree(f);
 }
 /*------------------------------------------------------------------------------
  * Context: softirq-serialized
@@ -737,8 +736,7 @@ int oz_isoc_stream_create(struct oz_pd *pd, u8 ep_num)
 		st = 0;
 	}
 	spin_unlock_bh(&pd->stream_lock);
-	if (st)
-		kfree(st);
+	kfree(st);
 	return 0;
 }
 /*------------------------------------------------------------------------------
diff --git a/drivers/staging/ozwpan/ozproto.c b/drivers/staging/ozwpan/ozproto.c
index cfb5160d1ebe..e00a53915daa 100644
--- a/drivers/staging/ozwpan/ozproto.c
+++ b/drivers/staging/ozwpan/ozproto.c
@@ -566,8 +566,7 @@ static void oz_protocol_timer(unsigned long arg)
 		}
 		spin_unlock_bh(&g_polling_lock);
 		oz_pd_put(pd);
-		if (t)
-			kfree(t);
+		kfree(t);
 		t = t2;
 	} while (t);
 	g_timer_state = OZ_TIMER_IDLE;