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drm/amdgpu: Fix the null pointer dereference to ras_manager

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[ Upstream commit 4c11d30c95576937c6c35e6f29884761f2dddb43 ]

Check ras_manager before using it

Signed-off-by: Ma Jun <Jun.Ma2@amd.com>
Reviewed-by: Lijo Lazar <lijo.lazar@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Ma Jun
2024-05-11 15:48:02 +08:00
committed by Greg Kroah-Hartman
parent 1b8aa82b80
commit 48cada0ac7
1 changed files with 5 additions and 2 deletions
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7
drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c
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@@ -1679,12 +1679,15 @@ static void amdgpu_ras_interrupt_process_handler(struct work_struct *work)
int amdgpu_ras_interrupt_dispatch(struct amdgpu_device *adev, int amdgpu_ras_interrupt_dispatch(struct amdgpu_device *adev,
struct ras_dispatch_if *info) struct ras_dispatch_if *info)
{ {
struct ras_manager *obj = amdgpu_ras_find_obj(adev, &info->head); struct ras_manager *obj;
struct ras_ih_data *data = &obj->ih_data; struct ras_ih_data *data;
obj = amdgpu_ras_find_obj(adev, &info->head);
if (!obj) if (!obj)
return -EINVAL; return -EINVAL;
data = &obj->ih_data;
if (data->inuse == 0) if (data->inuse == 0)
return 0; return 0;