[PATCH 17/37] drm/amd/amdgpu/amdgpu_mes: Ensure amdgpu_bo_create_kernel()'s return value is checked

Lee Jones
2023-03-17T08:25:12Z

Fixes the following W=1 kernel build warning(s):

drivers/gpu/drm/amd/amdgpu/amdgpu_mes.c: In function ‘amdgpu_mes_ctx_alloc_meta_data’:
drivers/gpu/drm/amd/amdgpu/amdgpu_mes.c:1099:13: warning: variable ‘r’ set but not used [-Wunused-but-set-variable]

Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: "Christian König" <christian.koenig@amd.com>
Cc: "Pan, Xinhui" <Xinhui.Pan@amd.com>
Cc: David Airlie <airlied@gmail.com>
Cc: Daniel Vetter <daniel@ffwll.ch>
Cc: Sumit Semwal <sumit.semwal@linaro.org>
Cc: Jack Xiao <Jack.Xiao@amd.com>
Cc: Hawking Zhang <Hawking.Zhang@amd.com>
Cc: amd-gfx@lists.freedesktop.org
Cc: dri-devel@lists.freedesktop.org
Cc: linux-media@vger.kernel.org
Cc: linaro-mm-sig@lists.linaro.org
Signed-off-by: Lee Jones <lee@kernel.org>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_mes.c | 5 +++++
1 file changed, 5 insertions(+)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_mes.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_mes.c
index 82e27bd4f0383..30cd72ca1eefd 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_mes.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_mes.c
@@ -1104,6 +1104,11 @@ int amdgpu_mes_ctx_alloc_meta_data(struct amdgpu_device *adev,
&ctx_data->meta_data_obj,
&ctx_data->meta_data_mc_addr,
&ctx_data->meta_data_ptr);
+ if (r) {
+ dev_warn(adev->dev, "(%d) create CTX bo failed\n", r);
+ return r;
+ }
+
if (!ctx_data->meta_data_obj)
return -ENOMEM;

--
2.40.0.rc1.284.g88254d51c5-goog