From 2ca48ed5cc5935cbd2a6f5d14fecd4ddbbdb4315 Mon Sep 17 00:00:00 2001 From: Michael Hanselmann Date: Mon, 12 Feb 2007 00:51:34 -0800 Subject: [PATCH] [PATCH] null pointer dereference in appledisplay driver Commit 40b20c257a13c5a526ac540bc5e43d0fdf29792a by Len Brown introduced a null pointer dereference in the appledisplay driver. This patch fixes it. Signed-off-by: Michael Hanselmann Cc: Len Brown Cc: Greg KH Cc: Benjamin Herrenschmidt Cc: Richard Purdie Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/usb/misc/appledisplay.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/usb/misc/appledisplay.c b/drivers/usb/misc/appledisplay.c index a7932a72d298..32f0e3a5b022 100644 --- a/drivers/usb/misc/appledisplay.c +++ b/drivers/usb/misc/appledisplay.c @@ -281,8 +281,8 @@ static int appledisplay_probe(struct usb_interface *iface, /* Register backlight device */ snprintf(bl_name, sizeof(bl_name), "appledisplay%d", atomic_inc_return(&count_displays) - 1); - pdata->bd = backlight_device_register(bl_name, NULL, NULL, - &appledisplay_bl_data); + pdata->bd = backlight_device_register(bl_name, NULL, + pdata, &appledisplay_bl_data); if (IS_ERR(pdata->bd)) { err("appledisplay: Backlight registration failed"); goto error; -- 2.20.1