[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, 3 deletions

diff --git a/drivers/usb/gadget/serial.c b/drivers/usb/gadget/serial.c
index 2af3f785d5a1..f1762ed6db63 100644
--- a/drivers/usb/gadget/serial.c
+++ b/drivers/usb/gadget/serial.c
@@ -2312,9 +2312,8 @@ static struct gs_buf *gs_buf_alloc(unsigned int size, int kmalloc_flags)
  */
 void gs_buf_free(struct gs_buf *gb)
 {
-        if (gb != NULL) {
-                if (gb->buf_buf != NULL)
-                        kfree(gb->buf_buf);
+        if (gb) {
+                kfree(gb->buf_buf);
                 kfree(gb);
         }
 }