[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, 4 insertions, 8 deletions

diff --git a/drivers/usb/media/ov511.c b/drivers/usb/media/ov511.c
index 0fd7ffed3a98..d6051822416e 100644
--- a/drivers/usb/media/ov511.c
+++ b/drivers/usb/media/ov511.c
@@ -3915,10 +3915,8 @@ ov51x_do_dealloc(struct usb_ov511 *ov)
         ov->tempfbuf = NULL;
 
         for (i = 0; i < OV511_NUMSBUF; i++) {
-                if (ov->sbuf[i].data) {
-                        kfree(ov->sbuf[i].data);
-                        ov->sbuf[i].data = NULL;
-                }
+                kfree(ov->sbuf[i].data);
+                ov->sbuf[i].data = NULL;
         }
 
         for (i = 0; i < OV511_NUMFRAMES; i++) {
@@ -5954,10 +5952,8 @@ error:
                 up(&ov->cbuf_lock);
         }
 
-        if (ov) {
-                kfree(ov);
-                ov = NULL;
-        }
+        kfree(ov);
+        ov = NULL;
 
 error_out:
         err("Camera initialization failed");