From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_PASS,URIBL_BLOCKED, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id A3770C43219 for ; Fri, 3 May 2019 16:38:32 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 75D352075C for ; Fri, 3 May 2019 16:38:32 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728325AbfECQi3 (ORCPT ); Fri, 3 May 2019 12:38:29 -0400 Received: from bhuna.collabora.co.uk ([46.235.227.227]:47710 "EHLO bhuna.collabora.co.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727243AbfECQi3 (ORCPT ); Fri, 3 May 2019 12:38:29 -0400 Received: from localhost.localdomain (unknown [IPv6:2a02:2450:102f:3e0:9052:5862:59e9:e098]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: robertfoss) by bhuna.collabora.co.uk (Postfix) with ESMTPSA id 94AD526104F; Fri, 3 May 2019 17:38:26 +0100 (BST) From: Robert Foss To: airlied@linux.ie, kraxel@redhat.com, daniel@ffwll.ch, dri-devel@lists.freedesktop.org, virtualization@lists.linux-foundation.org, linux-kernel@vger.kernel.org, Chia-I Wu Cc: Robert Foss , Emil Velikov Subject: [PATCH] drm/virtio: Remove redundant return type Date: Fri, 3 May 2019 18:38:04 +0200 Message-Id: <20190503163804.31922-1-robert.foss@collabora.com> X-Mailer: git-send-email 2.20.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org virtio_gpu_fence_emit() always returns 0, since it has no error paths. Consequently no calls for virtio_gpu_fence_emit() use the return value, and it can be removed. Signed-off-by: Robert Foss Suggested-by: Emil Velikov --- This patch was suggested in this email thread: [PATCH] drm/virtio: allocate fences with GFP_KERNEL https://www.spinics.net/lists/dri-devel/msg208536.html drivers/gpu/drm/virtio/virtgpu_drv.h | 2 +- drivers/gpu/drm/virtio/virtgpu_fence.c | 3 +-- 2 files changed, 2 insertions(+), 3 deletions(-) diff --git a/drivers/gpu/drm/virtio/virtgpu_drv.h b/drivers/gpu/drm/virtio/virtgpu_drv.h index d577cb76f5ad..9bc56887fbdb 100644 --- a/drivers/gpu/drm/virtio/virtgpu_drv.h +++ b/drivers/gpu/drm/virtio/virtgpu_drv.h @@ -334,7 +334,7 @@ int virtio_gpu_mmap(struct file *filp, struct vm_area_struct *vma); /* virtio_gpu_fence.c */ struct virtio_gpu_fence *virtio_gpu_fence_alloc( struct virtio_gpu_device *vgdev); -int virtio_gpu_fence_emit(struct virtio_gpu_device *vgdev, +void virtio_gpu_fence_emit(struct virtio_gpu_device *vgdev, struct virtio_gpu_ctrl_hdr *cmd_hdr, struct virtio_gpu_fence *fence); void virtio_gpu_fence_event_process(struct virtio_gpu_device *vdev, diff --git a/drivers/gpu/drm/virtio/virtgpu_fence.c b/drivers/gpu/drm/virtio/virtgpu_fence.c index 21bd4c4a32d1..e0744ac768cc 100644 --- a/drivers/gpu/drm/virtio/virtgpu_fence.c +++ b/drivers/gpu/drm/virtio/virtgpu_fence.c @@ -81,7 +81,7 @@ struct virtio_gpu_fence *virtio_gpu_fence_alloc(struct virtio_gpu_device *vgdev) return fence; } -int virtio_gpu_fence_emit(struct virtio_gpu_device *vgdev, +void virtio_gpu_fence_emit(struct virtio_gpu_device *vgdev, struct virtio_gpu_ctrl_hdr *cmd_hdr, struct virtio_gpu_fence *fence) { @@ -96,7 +96,6 @@ int virtio_gpu_fence_emit(struct virtio_gpu_device *vgdev, cmd_hdr->flags |= cpu_to_le32(VIRTIO_GPU_FLAG_FENCE); cmd_hdr->fence_id = cpu_to_le64(fence->seq); - return 0; } void virtio_gpu_fence_event_process(struct virtio_gpu_device *vgdev, -- 2.20.1