From mboxrd@z Thu Jan 1 00:00:00 1970 From: Mukesh Ojha Subject: Re: [PATCH v2 -next] drm/virtio: remove set but not used variable 'vgdev' Date: Mon, 25 Mar 2019 17:05:26 +0530 Message-ID: References: <20190320020308.12745-1-yuehaibing@huawei.com> <20190325092631.152060-1-yuehaibing@huawei.com> Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="===============0646550469==" Return-path: Received: from smtp.codeaurora.org (smtp.codeaurora.org [198.145.29.96]) by gabe.freedesktop.org (Postfix) with ESMTPS id 412C96E2F9 for ; Mon, 25 Mar 2019 11:35:35 +0000 (UTC) In-Reply-To: <20190325092631.152060-1-yuehaibing@huawei.com> Content-Language: en-US List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" To: YueHaibing , David Airlie , Gerd Hoffmann , Daniel Vetter Cc: kernel-janitors@vger.kernel.org, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, virtualization@lists.linux-foundation.org List-Id: dri-devel@lists.freedesktop.org This is a multi-part message in MIME format. --===============0646550469== Content-Type: multipart/alternative; boundary="------------D4021CC7E0B3F614E6F51445" Content-Language: en-US This is a multi-part message in MIME format. --------------D4021CC7E0B3F614E6F51445 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit On 3/25/2019 2:56 PM, YueHaibing wrote: > Fixes gcc '-Wunused-but-set-variable' warning: > > drivers/gpu/drm/virtio/virtgpu_ttm.c: In function 'virtio_gpu_init_mem_type': > drivers/gpu/drm/virtio/virtgpu_ttm.c:117:28: warning: > variable 'vgdev' set but not used [-Wunused-but-set-variable] > > drivers/gpu/drm/virtio/virtgpu_ttm.c: In function 'virtio_gpu_bo_swap_notify': > drivers/gpu/drm/virtio/virtgpu_ttm.c:300:28: warning: > variable 'vgdev' set but not used [-Wunused-but-set-variable] > > It is never used since introduction in dc5698e80cf7 ("Add virtio gpu driver.") > > Signed-off-by: YueHaibing Reviewed-by: Mukesh Ojha > Thanks. Mukesh > --- > v2: fix patch prefix > --- > drivers/gpu/drm/virtio/virtgpu_ttm.c | 6 ------ > 1 file changed, 6 deletions(-) > > diff --git a/drivers/gpu/drm/virtio/virtgpu_ttm.c b/drivers/gpu/drm/virtio/virtgpu_ttm.c > index d6225ba20b30..eb007c2569d8 100644 > --- a/drivers/gpu/drm/virtio/virtgpu_ttm.c > +++ b/drivers/gpu/drm/virtio/virtgpu_ttm.c > @@ -114,10 +114,6 @@ static const struct ttm_mem_type_manager_func virtio_gpu_bo_manager_func = { > static int virtio_gpu_init_mem_type(struct ttm_bo_device *bdev, uint32_t type, > struct ttm_mem_type_manager *man) > { > - struct virtio_gpu_device *vgdev; > - > - vgdev = virtio_gpu_get_vgdev(bdev); > - > switch (type) { > case TTM_PL_SYSTEM: > /* System memory */ > @@ -297,10 +293,8 @@ static void virtio_gpu_bo_move_notify(struct ttm_buffer_object *tbo, > static void virtio_gpu_bo_swap_notify(struct ttm_buffer_object *tbo) > { > struct virtio_gpu_object *bo; > - struct virtio_gpu_device *vgdev; > > bo = container_of(tbo, struct virtio_gpu_object, tbo); > - vgdev = (struct virtio_gpu_device *)bo->gem_base.dev->dev_private; > > if (bo->pages) > virtio_gpu_object_free_sg_table(bo); > > > --------------D4021CC7E0B3F614E6F51445 Content-Type: text/html; charset=utf-8 Content-Transfer-Encoding: 7bit


On 3/25/2019 2:56 PM, YueHaibing wrote:
Fixes gcc '-Wunused-but-set-variable' warning:

drivers/gpu/drm/virtio/virtgpu_ttm.c: In function 'virtio_gpu_init_mem_type':
drivers/gpu/drm/virtio/virtgpu_ttm.c:117:28: warning:
 variable 'vgdev' set but not used [-Wunused-but-set-variable]

drivers/gpu/drm/virtio/virtgpu_ttm.c: In function 'virtio_gpu_bo_swap_notify':
drivers/gpu/drm/virtio/virtgpu_ttm.c:300:28: warning:
 variable 'vgdev' set but not used [-Wunused-but-set-variable]

It is never used since introduction in dc5698e80cf7 ("Add virtio gpu driver.")

Signed-off-by: YueHaibing <yuehaibing@huawei.com>


Reviewed-by: Mukesh Ojha <mojha@codeaurora.org>

Thanks.
Mukesh 

---
v2: fix patch prefix
---
 drivers/gpu/drm/virtio/virtgpu_ttm.c | 6 ------
 1 file changed, 6 deletions(-)

diff --git a/drivers/gpu/drm/virtio/virtgpu_ttm.c b/drivers/gpu/drm/virtio/virtgpu_ttm.c
index d6225ba20b30..eb007c2569d8 100644
--- a/drivers/gpu/drm/virtio/virtgpu_ttm.c
+++ b/drivers/gpu/drm/virtio/virtgpu_ttm.c
@@ -114,10 +114,6 @@ static const struct ttm_mem_type_manager_func virtio_gpu_bo_manager_func = {
 static int virtio_gpu_init_mem_type(struct ttm_bo_device *bdev, uint32_t type,
 				    struct ttm_mem_type_manager *man)
 {
-	struct virtio_gpu_device *vgdev;
-
-	vgdev = virtio_gpu_get_vgdev(bdev);
-
 	switch (type) {
 	case TTM_PL_SYSTEM:
 		/* System memory */
@@ -297,10 +293,8 @@ static void virtio_gpu_bo_move_notify(struct ttm_buffer_object *tbo,
 static void virtio_gpu_bo_swap_notify(struct ttm_buffer_object *tbo)
 {
 	struct virtio_gpu_object *bo;
-	struct virtio_gpu_device *vgdev;
 
 	bo = container_of(tbo, struct virtio_gpu_object, tbo);
-	vgdev = (struct virtio_gpu_device *)bo->gem_base.dev->dev_private;
 
 	if (bo->pages)
 		virtio_gpu_object_free_sg_table(bo);
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