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drm/nouveau: fix returnvar.cocci warning

Message ID 20220425114701.7182-1-guozhengkui@vivo.com (mailing list archive)
State New, archived
Headers show
Series drm/nouveau: fix returnvar.cocci warning | expand

Commit Message

Guo Zhengkui April 25, 2022, 11:47 a.m. UTC
Fix the following coccicheck warning:
drivers/gpu/drm/nouveau/nvkm/subdev/devinit/gt215.c:71:5-12:
Unneeded variable: "disable". Return "0ULL" on line 85.

Signed-off-by: Guo Zhengkui <guozhengkui@vivo.com>
---
 drivers/gpu/drm/nouveau/nvkm/subdev/devinit/gt215.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

Comments

Lyude Paul April 26, 2022, 6:15 p.m. UTC | #1
Reviewed-by: Lyude Paul <lyude@redhat.com>

Will push upstream in a moment

On Mon, 2022-04-25 at 19:47 +0800, Guo Zhengkui wrote:
> Fix the following coccicheck warning:
> drivers/gpu/drm/nouveau/nvkm/subdev/devinit/gt215.c:71:5-12:
> Unneeded variable: "disable". Return "0ULL" on line 85.
> 
> Signed-off-by: Guo Zhengkui <guozhengkui@vivo.com>
> ---
>  drivers/gpu/drm/nouveau/nvkm/subdev/devinit/gt215.c | 3 +--
>  1 file changed, 1 insertion(+), 2 deletions(-)
> 
> diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/devinit/gt215.c
> b/drivers/gpu/drm/nouveau/nvkm/subdev/devinit/gt215.c
> index dc026ac1b595..3d0ab86c3115 100644
> --- a/drivers/gpu/drm/nouveau/nvkm/subdev/devinit/gt215.c
> +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/devinit/gt215.c
> @@ -68,7 +68,6 @@ gt215_devinit_disable(struct nvkm_devinit *init)
>         struct nvkm_device *device = init->subdev.device;
>         u32 r001540 = nvkm_rd32(device, 0x001540);
>         u32 r00154c = nvkm_rd32(device, 0x00154c);
> -       u64 disable = 0ULL;
>  
>         if (!(r001540 & 0x40000000)) {
>                 nvkm_subdev_disable(device, NVKM_ENGINE_MSPDEC, 0);
> @@ -82,7 +81,7 @@ gt215_devinit_disable(struct nvkm_devinit *init)
>         if (!(r00154c & 0x00000200))
>                 nvkm_subdev_disable(device, NVKM_ENGINE_CE, 0);
>  
> -       return disable;
> +       return 0ULL;
>  }
>  
>  static u32
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Patch

diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/devinit/gt215.c b/drivers/gpu/drm/nouveau/nvkm/subdev/devinit/gt215.c
index dc026ac1b595..3d0ab86c3115 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/devinit/gt215.c
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/devinit/gt215.c
@@ -68,7 +68,6 @@  gt215_devinit_disable(struct nvkm_devinit *init)
 	struct nvkm_device *device = init->subdev.device;
 	u32 r001540 = nvkm_rd32(device, 0x001540);
 	u32 r00154c = nvkm_rd32(device, 0x00154c);
-	u64 disable = 0ULL;
 
 	if (!(r001540 & 0x40000000)) {
 		nvkm_subdev_disable(device, NVKM_ENGINE_MSPDEC, 0);
@@ -82,7 +81,7 @@  gt215_devinit_disable(struct nvkm_devinit *init)
 	if (!(r00154c & 0x00000200))
 		nvkm_subdev_disable(device, NVKM_ENGINE_CE, 0);
 
-	return disable;
+	return 0ULL;
 }
 
 static u32