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| author | Ma Jun <Jun.Ma2@amd.com> | 2024-05-11 10:48:02 +0300 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2024-05-18 00:40:36 +0300 |
| commit | 4c11d30c95576937c6c35e6f29884761f2dddb43 (patch) | |
| tree | 0fe73c2ec43be2b14a987884840dff0207fe66bc /drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c | |
| parent | 599142f948cf65ec054c84fb4bc170fe2838411a (diff) | |
| download | linux-4c11d30c95576937c6c35e6f29884761f2dddb43.tar.xz | |
drm/amdgpu: Fix the null pointer dereference to ras_manager
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>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c index 925ec65ac5ed..2bcf5c3b5d70 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c @@ -2172,12 +2172,15 @@ 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; |