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drivers/amd/pm: check the return value of amdgpu_bo_kmap

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amdgpu_bo_kmap() returns error when fails to map buffer object. Add the
error check and propagate the error.

Reviewed-by: Evan Quan <evan.quan@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Li Zhong <floridsleeves@gmail.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Li Zhong 2022-09-21 21:17:56 -07:00 committed by Alex Deucher
parent bb66ecbf12
commit 629c30db7c
1 changed files with 4 additions and 1 deletions
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5
drivers/gpu/drm/amd/pm/powerplay/amd_powerplay.c
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@ -1485,6 +1485,7 @@ static int pp_get_prv_buffer_details(void *handle, void **addr, size_t *size)
{
struct pp_hwmgr *hwmgr = handle;
struct amdgpu_device *adev = hwmgr->adev;
int err;
if (!addr || !size)
return -EINVAL;
@ -1492,7 +1493,9 @@ static int pp_get_prv_buffer_details(void *handle, void **addr, size_t *size)
*addr = NULL;
*size = 0;
if (adev->pm.smu_prv_buffer) {
amdgpu_bo_kmap(adev->pm.smu_prv_buffer, addr);
err = amdgpu_bo_kmap(adev->pm.smu_prv_buffer, addr);
if (err)
return err;
*size = adev->pm.smu_prv_buffer_size;
}