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

17 Mar 2023

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


    