5.15-stable review patch. If anyone has any objections, please let me know.
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From: Wayne Lin wayne.lin@amd.com
commit ad28d7c3d989fc5689581664653879d664da76f0 upstream.
[Why & How] It actually exposes '6' types in enum dmub_notification_type. Not 5. Using smaller number to create array dmub_callback & dmub_thread_offload has potential to access item out of array bound. Fix it.
Reviewed-by: Jerry Zuo jerry.zuo@amd.com Acked-by: Zaeem Mohamed zaeem.mohamed@amd.com Signed-off-by: Wayne Lin wayne.lin@amd.com Tested-by: Daniel Wheeler daniel.wheeler@amd.com Signed-off-by: Alex Deucher alexander.deucher@amd.com Signed-off-by: Guocai He guocai.he.cn@windriver.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h @@ -48,7 +48,7 @@
#define AMDGPU_DM_MAX_NUM_EDP 2
-#define AMDGPU_DMUB_NOTIFICATION_MAX 5 +#define AMDGPU_DMUB_NOTIFICATION_MAX 6 /* #include "include/amdgpu_dal_power_if.h" #include "amdgpu_dm_irq.h"