USB: core: hub: fix sparse warning

Fix the following sparse warning:

drivers/usb/core/hub.c:1664:37: warning: Using plain integer as NULL pointer

Signed-off-by: Felipe Balbi <felipe.balbi@nokia.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c
index e4b0e28..06af970 100644 (file)
--- a/drivers/usb/core/hub.c
+++ b/drivers/usb/core/hub.c
@@ -1676,7 +1676,7 @@ static int usb_configure_device_otg(struct usb_device *udev)
        if (!udev->bus->is_b_host
                        && udev->config
                        && udev->parent == udev->bus->root_hub) {
-               struct usb_otg_descriptor       *desc = 0;
+               struct usb_otg_descriptor       *desc = NULL;
                struct usb_bus                  *bus = udev->bus;
 
                /* descriptor may appear anywhere in config */