[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
===================================================================
diff --git a/drivers/usb/media/ov511.c b/drivers/usb/media/ov511.c
index 0fd7ffe..d605182 100644
--- a/drivers/usb/media/ov511.c
+++ b/drivers/usb/media/ov511.c
@@ -3915,10 +3915,8 @@
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 @@
up(&ov->cbuf_lock);
}
- if (ov) {
- kfree(ov);
- ov = NULL;
- }
+ kfree(ov);
+ ov = NULL;
error_out:
err("Camera initialization failed");