If migration copy failed because process is killed, or out of VRAM or
system memory, pass error code back to caller to handle error
gracefully.

Signed-off-by: Philip Yang <philip.y...@amd.com>
---
 drivers/gpu/drm/amd/amdkfd/kfd_migrate.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_migrate.c 
b/drivers/gpu/drm/amd/amdkfd/kfd_migrate.c
index bc2fc528ad58..fd8f544f0de2 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_migrate.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_migrate.c
@@ -460,8 +460,8 @@ svm_migrate_vma_to_vram(struct amdgpu_device *adev, struct 
svm_range *prange,
        }
 
        if (migrate.cpages) {
-               svm_migrate_copy_to_vram(adev, prange, &migrate, &mfence,
-                                        scratch);
+               r = svm_migrate_copy_to_vram(adev, prange, &migrate, &mfence,
+                                            scratch);
                migrate_vma_pages(&migrate);
                svm_migrate_copy_done(adev, mfence);
                migrate_vma_finalize(&migrate);
@@ -663,8 +663,8 @@ svm_migrate_vma_to_ram(struct amdgpu_device *adev, struct 
svm_range *prange,
        pr_debug("cpages %ld\n", migrate.cpages);
 
        if (migrate.cpages) {
-               svm_migrate_copy_to_ram(adev, prange, &migrate, &mfence,
-                                       scratch);
+               r = svm_migrate_copy_to_ram(adev, prange, &migrate, &mfence,
+                                           scratch);
                migrate_vma_pages(&migrate);
                svm_migrate_copy_done(adev, mfence);
                migrate_vma_finalize(&migrate);
-- 
2.17.1

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