Compiling amdgpu with W=1 get that unused-but-set-variable warning. 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] 1099 | int r; | ^ That variable is used to hold the return value of amdgpu_bo_create_kernel() function call. Remove r to fix the warning. Signed-off-by: Carlos Eduardo Gallo Filho <gcarlos@xxxxxxxxxxx> --- Changes in v2: - Fix missing Signed-off-by tag - Fix typo in the description --- drivers/gpu/drm/amd/amdgpu/amdgpu_mes.c | 14 ++++++-------- 1 file changed, 6 insertions(+), 8 deletions(-) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_mes.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_mes.c index 82e27bd4f038..a45c31717ae3 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_mes.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_mes.c @@ -1096,14 +1096,12 @@ uint32_t amdgpu_mes_get_aggregated_doorbell_index(struct amdgpu_device *adev, int amdgpu_mes_ctx_alloc_meta_data(struct amdgpu_device *adev, struct amdgpu_mes_ctx_data *ctx_data) { - int r; - - r = amdgpu_bo_create_kernel(adev, - sizeof(struct amdgpu_mes_ctx_meta_data), - PAGE_SIZE, AMDGPU_GEM_DOMAIN_GTT, - &ctx_data->meta_data_obj, - &ctx_data->meta_data_mc_addr, - &ctx_data->meta_data_ptr); + amdgpu_bo_create_kernel(adev, + sizeof(struct amdgpu_mes_ctx_meta_data), + PAGE_SIZE, AMDGPU_GEM_DOMAIN_GTT, + &ctx_data->meta_data_obj, + &ctx_data->meta_data_mc_addr, + &ctx_data->meta_data_ptr); if (!ctx_data->meta_data_obj) return -ENOMEM; -- 2.39.2