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Commit ff5c4eb7 authored by Ma Jun's avatar Ma Jun Committed by Greg Kroah-Hartman
Browse files

drm/amdgpu: Fix the null pointer dereference to ras_manager 



[ Upstream commit 4c11d30c95576937c6c35e6f29884761f2dddb43 ]

Check ras_manager before using it

Signed-off-by: default avatarMa Jun <Jun.Ma2@amd.com>
Reviewed-by: default avatarLijo Lazar <lijo.lazar@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
Signed-off-by: default avatarSasha Levin <sashal@kernel.org>
parent a8ca88d3

drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c

+5 −2
Original line number Diff line number Diff line
@@ -1053,12 +1053,15 @@ static void amdgpu_ras_interrupt_process_handler(struct work_struct *work) 
int amdgpu_ras_interrupt_dispatch(struct amdgpu_device *adev,

		struct ras_dispatch_if *info)

{

	struct ras_manager *obj = amdgpu_ras_find_obj(adev, &info->head);

	struct ras_ih_data *data = &obj->ih_data;

	struct ras_manager *obj;

	struct ras_ih_data *data;



	obj = amdgpu_ras_find_obj(adev, &info->head);

	if (!obj)

		return -EINVAL;



	data = &obj->ih_data;



	if (data->inuse == 0)

		return 0;