Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 2ca48ed5 authored by Michael Hanselmann's avatar Michael Hanselmann Committed by Linus Torvalds
Browse files

[PATCH] null pointer dereference in appledisplay driver 



Commit 40b20c25 by Len Brown introduced
a null pointer dereference in the appledisplay driver. This patch fixes
it.

Signed-off-by: default avatarMichael Hanselmann <linux-kernel@hansmi.ch>
Cc: Len Brown <lenb@kernel.org>
Cc: Greg KH <greg@kroah.com>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Richard Purdie <rpurdie@rpsys.net>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 509cb37e

drivers/usb/misc/appledisplay.c

+2 −2
Original line number Diff line number Diff line
@@ -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;