diff options
| author | Guchun Chen <guchun.chen@amd.com> | 2019-09-17 17:49:29 +0800 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2019-10-03 09:10:59 -0500 |
| commit | 8a3e801f1924c07781e93f043a74cfa244451787 (patch) | |
| tree | ffa20dffa9313914483d1f6f8f018c51b972caae /drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c | |
| parent | f256ba473ea82f16be657752d7d5cf7e75164085 (diff) | |
drm/amdgpu: avoid null pointer dereference
null ptr should be checked first to avoid null ptr access
Signed-off-by: Guchun Chen <guchun.chen@amd.com>
Reviewed-by: Tao Zhou <tao.zhou1@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 | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c index 24fecaae415c..83b681a16e56 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c @@ -1336,13 +1336,13 @@ static int amdgpu_ras_save_bad_pages(struct amdgpu_device *adev) { struct amdgpu_ras *con = amdgpu_ras_get_context(adev); struct ras_err_handler_data *data; - struct amdgpu_ras_eeprom_control *control = - &adev->psp.ras.ras->eeprom_control; + struct amdgpu_ras_eeprom_control *control; int save_count; if (!con || !con->eh_data) return 0; + control = &con->eeprom_control; data = con->eh_data; save_count = data->count - control->num_recs; /* only new entries are saved */ |