From 7bb02a34c2ba69bbe0329fc3049c795f7ba66b9a Mon Sep 17 00:00:00 2001 From: Sunil Khatri Date: Fri, 24 Oct 2025 10:14:56 +0530 Subject: [PATCH] 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 Reviewed-by: Shirish S Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdkfd/kfd_svm.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_svm.c b/drivers/gpu/drm/amd/amdkfd/kfd_svm.c index f041643308ca4..7f0ab73e23967 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); -- 2.47.3