Commit 7bb02a34 authored by Sunil Khatri's avatar Sunil Khatri Committed by Alex Deucher
Browse files

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: default avatarSunil Khatri <sunil.khatri@amd.com>
Reviewed-by: default avatarShirish S <shirish.s@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 97010d77

drivers/gpu/drm/amd/amdkfd/kfd_svm.c

+5 −0
Original line number Diff line number Diff line
@@ -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);