commit e72714fb20b2bac88e6bc06401a124243791ca08
author Ilia Mirkin <imirkin@alum.mit.edu> Sun Mar 13 00:29:07 2011 -0500
committer Greg Kroah-Hartman <gregkh@suse.de> Mon Mar 14 11:57:35 2011 -0700
tree d6ba41753faf107a8331bab7a245bbab9b1fc451
parent 7e901dcd73d73230ad0e66e35fb6f1da244e41f7

staging: rtl8192u: Remove NULL check before kfree

This patch was generated by the following semantic patch:
// <smpl>
@@ expression E; @@
- if (E != NULL) { kfree(E); }
+ kfree(E);

@@ expression E; @@
- if (E != NULL) { kfree(E); E = NULL; }
+ kfree(E);
+ E = NULL;
// </smpl>

Signed-off-by: Ilia Mirkin <imirkin@alum.mit.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

drivers/staging/rtl8192u/r8192U_core.c

diff --git a/drivers/staging/rtl8192u/r8192U_core.c b/drivers/staging/rtl8192u/r8192U_core.c
index ae4f2b9..da612e6 100644
--- a/drivers/staging/rtl8192u/r8192U_core.c
+++ b/drivers/staging/rtl8192u/r8192U_core.c
@@ -2242,12 +2242,8 @@
 
 
 destroy:
-	if (priv->pp_rxskb) {
-		kfree(priv->pp_rxskb);
-	}
-	if (priv->rx_urb) {
-		kfree(priv->rx_urb);
-	}
+	kfree(priv->pp_rxskb);
+	kfree(priv->rx_urb);
 
 	priv->pp_rxskb = NULL;
 	priv->rx_urb = NULL;
@@ -2276,10 +2272,8 @@
 		kfree(priv->rx_urb);
 		priv->rx_urb = NULL;
 	}
-	if(priv->oldaddr){
-		kfree(priv->oldaddr);
-		priv->oldaddr = NULL;
-	}
+	kfree(priv->oldaddr);
+	priv->oldaddr = NULL;
 	if (priv->pp_rxskb) {
 		kfree(priv->pp_rxskb);
 		priv->pp_rxskb = 0;
@@ -2304,14 +2298,10 @@
 
 	}
 #else
-	if(priv->rx_urb){
-		kfree(priv->rx_urb);
-		priv->rx_urb = NULL;
-	}
-	if(priv->oldaddr){
-		kfree(priv->oldaddr);
-		priv->oldaddr = NULL;
-	}
+	kfree(priv->rx_urb);
+	priv->rx_urb = NULL;
+	kfree(priv->oldaddr);
+	priv->oldaddr = NULL;
 	if (priv->pp_rxskb) {
 		kfree(priv->pp_rxskb);
 		priv->pp_rxskb = 0;
@@ -5828,10 +5818,8 @@
 
 fail2:
 	rtl8192_down(dev);
-	if (priv->pFirmware) {
-		kfree(priv->pFirmware);
-		priv->pFirmware = NULL;
-	}
+	kfree(priv->pFirmware);
+	priv->pFirmware = NULL;
 	rtl8192_usb_deleteendpoints(dev);
 	destroy_workqueue(priv->priv_wq);
 	mdelay(10);
@@ -5869,11 +5857,8 @@
 		rtl8192_proc_remove_one(dev);
 
 			rtl8192_down(dev);
-		if (priv->pFirmware)
-		{
-			kfree(priv->pFirmware);
-			priv->pFirmware = NULL;
-		}
+		kfree(priv->pFirmware);
+		priv->pFirmware = NULL;
 	//	priv->rf_close(dev);
 //		rtl8192_SetRFPowerState(dev, eRfOff);
 		rtl8192_usb_deleteendpoints(dev);