drm/amdgpu: use sysfs_emit() to instead of scnprintf()

Replace the open-code with sysfs_emit() to simplify the code.

Reviewed-by: Luben Tuikov <luben.tuikov@amd.com>
Signed-off-by: ye xingchen <ye.xingchen@zte.com.cn>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c
index 077404a9c935adc36868a51bf7e640228aa2d377..ad490c1e2f579bf86d3212323306f12b1d38ebbc 100644 (file)
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c
@@ -1267,7 +1267,7 @@ static ssize_t amdgpu_ras_sysfs_features_read(struct device *dev,
        struct amdgpu_ras *con =
                container_of(attr, struct amdgpu_ras, features_attr);
 
-       return scnprintf(buf, PAGE_SIZE, "feature mask: 0x%x\n", con->features);
+       return sysfs_emit(buf, "feature mask: 0x%x\n", con->features);
 }
 
 static void amdgpu_ras_sysfs_remove_bad_page_node(struct amdgpu_device *adev)