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

Commit 5d908944 authored by Dan Carpenter's avatar Dan Carpenter Committed by Alex Deucher
Browse files

drm/amd/display: off by one in find_irq_source_info() 



The ->info[] array has DAL_IRQ_SOURCES_NUMBER elements so this condition
should be >= instead of > or we could read one element beyond the end of
the array.

Fixes: 4562236b ("drm/amd/dc: Add dc display driver (v2)")
Signed-off-by: default avatarDan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: default avatarHarry Wentland <harry.wentland@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 20582319

drivers/gpu/drm/amd/display/dc/irq/irq_service.c

+1 −1
Original line number Diff line number Diff line
@@ -78,7 +78,7 @@ const struct irq_source_info *find_irq_source_info( 
	struct irq_service *irq_service,

	enum dc_irq_source source)

{

	if (source > DAL_IRQ_SOURCES_NUMBER || source < DC_IRQ_SOURCE_INVALID)

	if (source >= DAL_IRQ_SOURCES_NUMBER || source < DC_IRQ_SOURCE_INVALID)

		return NULL;



	return &irq_service->info[source];