drm/amdgpu: handle error case for ctx

Properly handle ctx init failure.

Signed-off-by: Chunming Zhou <David1.Zhou@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c
index c1f2308..15e3416 100644 (file)
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c
@@ -56,7 +56,6 @@ int amdgpu_ctx_init(struct amdgpu_device *adev, enum amd_sched_priority pri,
                        for (j = 0; j < i; j++)
                                amd_sched_entity_fini(&adev->rings[j]->sched,
                                                      &ctx->rings[j].entity);
-                       kfree(ctx);
                        return r;
                }
        }
@@ -103,8 +102,12 @@ static int amdgpu_ctx_alloc(struct amdgpu_device *adev,
        }
        *id = (uint32_t)r;
        r = amdgpu_ctx_init(adev, AMD_SCHED_PRIORITY_NORMAL, ctx);
+       if (r) {
+               idr_remove(&mgr->ctx_handles, *id);
+               *id = 0;
+               kfree(ctx);
+       }
        mutex_unlock(&mgr->lock);
-
        return r;
 }