Input: wacom - fix sparse warning
This fixes the following warning from sparse
warning: Using plain integer as NULL pointer
Reviewed-by: Chris Bagwell <chris@cnpbagwell.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
diff --git a/drivers/input/tablet/wacom_sys.c b/drivers/input/tablet/wacom_sys.c
index 86b96f9..364f2c3 100644
--- a/drivers/input/tablet/wacom_sys.c
+++ b/drivers/input/tablet/wacom_sys.c
@@ -1030,13 +1030,13 @@
wacom = usb_get_intfdata(usbdev->config->interface[1]);
if (wacom->wacom_wac.input)
input_unregister_device(wacom->wacom_wac.input);
- wacom->wacom_wac.input = 0;
+ wacom->wacom_wac.input = NULL;
/* Touch interface */
wacom = usb_get_intfdata(usbdev->config->interface[2]);
if (wacom->wacom_wac.input)
input_unregister_device(wacom->wacom_wac.input);
- wacom->wacom_wac.input = 0;
+ wacom->wacom_wac.input = NULL;
if (wacom_wac->pid == 0) {
printk(KERN_INFO "wacom: wireless tablet disconnected\n");