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: 4562236b3bc0 ("drm/amd/dc: Add dc display driver (v2)")
Signed-off-by: Dan Carpenter <dan.carpen...@oracle.com>
diff --git a/drivers/gpu/drm/amd/display/dc/irq/irq_service.c
b/drivers/gpu/drm/amd/display/dc/irq/irq_service.c
index dcdfa0f01551..604bea01fc13 100644
--- a/drivers/gpu/drm/amd/display/dc/irq/irq_service.c
+++ b/drivers/gpu/drm/amd/display/dc/irq/irq_service.c
@@ -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];
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