[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, 1 insertions, 2 deletions

diff --git a/drivers/usb/media/dabusb.c b/drivers/usb/media/dabusb.c
index 8823297d219..6ca2fae99d2 100644
--- a/drivers/usb/media/dabusb.c
+++ b/drivers/usb/media/dabusb.c
@@ -138,8 +138,7 @@ static int dabusb_free_queue (struct list_head *q)
 #ifdef DEBUG 
                 dump_urb(b->purb);
 #endif
-                if (b->purb->transfer_buffer)
-                        kfree (b->purb->transfer_buffer);
+                kfree(b->purb->transfer_buffer);
                 usb_free_urb(b->purb);
                 tmp = p->next;
                 list_del (p);