diff options
| author | Sunil Khatri <sunil.khatri@amd.com> | 2025-10-24 10:14:56 +0530 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2025-10-28 09:59:37 -0400 |
| commit | 7bb02a34c2ba69bbe0329fc3049c795f7ba66b9a (patch) | |
| tree | 15168df1f09be04cf6edd0821bad019d4f06b7df | |
| parent | 97010d773208c4b800e4af1063e58a97c056f40b (diff) | |
drm/amdkfd: add missing return value check for range
amdgpu_hmm_range_alloc could fails in case of low
memory condition and hence we should have a check
for the return value.
Signed-off-by: Sunil Khatri <sunil.khatri@amd.com>
Reviewed-by: Shirish S <shirish.s@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
| -rw-r--r-- | drivers/gpu/drm/amd/amdkfd/kfd_svm.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_svm.c b/drivers/gpu/drm/amd/amdkfd/kfd_svm.c index f041643308ca..7f0ab73e2396 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_svm.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_svm.c @@ -1738,6 +1738,11 @@ static int svm_range_validate_and_map(struct mm_struct *mm, WRITE_ONCE(p->svms.faulting_task, current); range = amdgpu_hmm_range_alloc(NULL); + if (unlikely(!range)) { + r = -ENOMEM; + goto free_ctx; + } + r = amdgpu_hmm_range_get_pages(&prange->notifier, addr, npages, readonly, owner, range); |