[PATCH] USB: kfree cleanup for drivers/usb/* - no need to check for NULL

Get rid of a bunch of redundant NULL pointer checks in drivers/usb/*,
there's no need to check a pointer for NULL before calling kfree() on it.

Signed-off-by: Jesper Juhl <juhl-lkml@dif.dk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>


Index: gregkh-2.6/drivers/usb/class/audio.c
===================================================================

drivers/usb/media/se401.c

@@ -868,13 +868,14 @@ static void usb_se401_remove_disconnected (struct usb_se401 *se401)
 
         se401->dev = NULL;
 
-	for (i=0; i<SE401_NUMSBUF; i++) if (se401->urb[i]) {
-		usb_kill_urb(se401->urb[i]);
-		usb_free_urb(se401->urb[i]);
-		se401->urb[i] = NULL;
-		kfree(se401->sbuf[i].data);
-	}
-	for (i=0; i<SE401_NUMSCRATCH; i++) if (se401->scratch[i].data) {
+	for (i=0; i<SE401_NUMSBUF; i++)
+		if (se401->urb[i]) {
+			usb_kill_urb(se401->urb[i]);
+			usb_free_urb(se401->urb[i]);
+			se401->urb[i] = NULL;
+			kfree(se401->sbuf[i].data);
+		}
+	for (i=0; i<SE401_NUMSCRATCH; i++) {
 		kfree(se401->scratch[i].data);
 	}
 	if (se401->inturb) {