[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, 2 insertions, 4 deletions

diff --git a/drivers/usb/media/usbvideo.c b/drivers/usb/media/usbvideo.c
index 298484aa27d2..24efb21969c6 100644
--- a/drivers/usb/media/usbvideo.c
+++ b/drivers/usb/media/usbvideo.c
@@ -1169,10 +1169,8 @@ static int usbvideo_v4l_open(struct inode *inode, struct file *file)
                         }
                         RingQueue_Free(&uvd->dp);
                         for (i=0; i < USBVIDEO_NUMSBUF; i++) {
-                                if (uvd->sbuf[i].data != NULL) {
-                                        kfree (uvd->sbuf[i].data);
-                                        uvd->sbuf[i].data = NULL;
-                                }
+                                kfree(uvd->sbuf[i].data);
+                                uvd->sbuf[i].data = NULL;
                         }
                 }
         }