[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/core/hub.c b/drivers/usb/core/hub.c
index 15ac4d1..d2d648e 100644
--- a/drivers/usb/core/hub.c
+++ b/drivers/usb/core/hub.c
@@ -381,7 +381,7 @@
dev_err (&hdev->dev,
"clear tt %d (%04x) error %d\n",
clear->tt, clear->devinfo, status);
- kfree (clear);
+ kfree(clear);
}
spin_unlock_irqrestore (&hub->tt.lock, flags);
}
@@ -728,15 +728,11 @@
list_del_init(&hub->event_list);
spin_unlock_irq(&hub_event_lock);
- if (hub->descriptor) {
- kfree(hub->descriptor);
- hub->descriptor = NULL;
- }
+ kfree(hub->descriptor);
+ hub->descriptor = NULL;
- if (hub->status) {
- kfree(hub->status);
- hub->status = NULL;
- }
+ kfree(hub->status);
+ hub->status = NULL;
if (hub->buffer) {
usb_buffer_free(hdev, sizeof(*hub->buffer), hub->buffer,
@@ -2354,7 +2350,7 @@
schedule_work (&hub->leds);
}
}
- kfree (qual);
+ kfree(qual);
}
static unsigned