Bug 5571

Summary:	Null point in video/lcd/brightness
Product:	ACPI	Reporter:	Luming Yu (luming.yu)
Component:	Power-Video	Assignee:	Luming Yu (luming.yu)
Status:	CLOSED CODE_FIX
Severity:	normal	CC:	acpi-bugzilla, trenn
Priority:	P2
Hardware:	i386
OS:	Linux
Kernel Version:	2.6	Subsystem:
Regression:	---	Bisected commit-id:
Attachments:	patch for fixing Null point in video/lcd/brightnes

Description Luming Yu 2005-11-08 05:27:34 UTC

patch attached

Comment 1 Luming Yu 2005-11-08 05:35:06 UTC

Created attachment 6495 [details]
patch for fixing Null point in video/lcd/brightnes


contributed by Thomas Renninger trenn@suse.de

>when video/lcd/brightness is not supported and you still write 
>something into 
>/proc/acpi/video/lcd/brightness the kernel will oops due a 
>Null pointer dereference.
>

Comment 2 Luming Yu 2005-11-16 21:50:33 UTC

Signed-off-by: Nishanth Aravamudan <nacc@us.ibm.com>

Comment 3 Len Brown 2005-11-30 19:53:38 UTC

applied to acpi-test tree

Comment 4 Len Brown 2005-12-05 14:17:19 UTC

shipped in 2.6.15-rc5 -- closing.