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drm/amdgpu: cleanup error handling in amdgpu_cs_parser_bos

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Return early on success and so remove all those "if (r)" in the error
path.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Christian König 2022-09-13 09:52:13 +02:00 committed by Alex Deucher
parent f4b92fcd74
commit 4953b6b22a
1 changed files with 18 additions and 19 deletions
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37
drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
View file

@ -933,35 +933,34 @@ static int amdgpu_cs_parser_bos(struct amdgpu_cs_parser *p,
if (r)
goto error_validate;
amdgpu_cs_report_moved_bytes(p->adev, p->bytes_moved,
p->bytes_moved_vis);
amdgpu_job_set_resources(p->job, p->bo_list->gds_obj,
p->bo_list->gws_obj, p->bo_list->oa_obj);
if (!r && p->uf_entry.tv.bo) {
if (p->uf_entry.tv.bo) {
struct amdgpu_bo *uf = ttm_to_amdgpu_bo(p->uf_entry.tv.bo);
r = amdgpu_ttm_alloc_gart(&uf->tbo);
if (r)
goto error_validate;
p->job->uf_addr += amdgpu_bo_gpu_offset(uf);
}
amdgpu_cs_report_moved_bytes(p->adev, p->bytes_moved,
p->bytes_moved_vis);
amdgpu_job_set_resources(p->job, p->bo_list->gds_obj,
p->bo_list->gws_obj, p->bo_list->oa_obj);
return 0;
error_validate:
if (r)
ttm_eu_backoff_reservation(&p->ticket, &p->validated);
ttm_eu_backoff_reservation(&p->ticket, &p->validated);
out_free_user_pages:
if (r) {
amdgpu_bo_list_for_each_userptr_entry(e, p->bo_list) {
struct amdgpu_bo *bo = ttm_to_amdgpu_bo(e->tv.bo);
amdgpu_bo_list_for_each_userptr_entry(e, p->bo_list) {
struct amdgpu_bo *bo = ttm_to_amdgpu_bo(e->tv.bo);
if (!e->user_pages)
continue;
amdgpu_ttm_tt_get_user_pages_done(bo->tbo.ttm);
kvfree(e->user_pages);
e->user_pages = NULL;
}
mutex_unlock(&p->bo_list->bo_list_mutex);
if (!e->user_pages)
continue;
amdgpu_ttm_tt_get_user_pages_done(bo->tbo.ttm);
kvfree(e->user_pages);
e->user_pages = NULL;
}
return r;
}