[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
===================================================================

1 files changed, 10 insertions, 16 deletions

diff --git a/drivers/usb/misc/auerswald.c b/drivers/usb/misc/auerswald.c
index a530bb976e43..6f7994f5a714 100644
--- a/drivers/usb/misc/auerswald.c
+++ b/drivers/usb/misc/auerswald.c
@@ -705,16 +705,12 @@ static int auerchain_control_msg (pauerchain_t acp, struct usb_device *dev, unsi
 /* free a single auerbuf */
 static void auerbuf_free (pauerbuf_t bp)
 {
-        if (bp->bufp) {
-                kfree (bp->bufp);
-        }
-        if (bp->dr) {
-                kfree (bp->dr);
-        }
+        kfree(bp->bufp);
+        kfree(bp->dr);
         if (bp->urbp) {
-                usb_free_urb (bp->urbp);
+                usb_free_urb(bp->urbp);
         }
-        kfree (bp);
+        kfree(bp);
 }
 
 /* free the buffers from an auerbuf list */
@@ -1093,14 +1089,12 @@ exit:
 */
 static void auerswald_int_free (pauerswald_t cp)
 {
-        if (cp->inturbp) {
-                usb_free_urb (cp->inturbp);
-                cp->inturbp = NULL;
-        }
-        if (cp->intbufp) {
-                kfree (cp->intbufp);
-                cp->intbufp = NULL;
-        }
+        if (cp->inturbp) {
+                usb_free_urb(cp->inturbp);
+                cp->inturbp = NULL;
+        }
+        kfree(cp->intbufp);
+        cp->intbufp = NULL;
 }
 
 /* This function is called to activate the interrupt