Re: [PATCH] drm/nouveau/instmem: fix uninitialized_var.cocci warning

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Reviewed-by: Lyude Paul <lyude@xxxxxxxxxx>

Will push this to the appropriate drm-misc repository in just a little bit

On Mon, 2022-02-28 at 22:23 +0800, Guo Zhengkui wrote:
> Fix following coccicheck warning:
> drivers/gpu/drm/nouveau/nvkm/subdev/instmem/nv50.c:316:11-12:
> WARNING this kind of initialization is deprecated.
> 
> `void *map = map` has the same form of
> uninitialized_var() macro. I remove the redundant assignement. It has
> been tested with gcc (Debian 8.3.0-6) 8.3.0.
> 
> The patch which removed uninitialized_var() is:
> https://lore.kernel.org/all/20121028102007.GA7547@xxxxxxxxx/
> And there is very few "/* GCC */" comments in the Linux kernel code now.
> 
> Signed-off-by: Guo Zhengkui <guozhengkui@xxxxxxxx>
> ---
>  drivers/gpu/drm/nouveau/nvkm/subdev/instmem/nv50.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/instmem/nv50.c
> b/drivers/gpu/drm/nouveau/nvkm/subdev/instmem/nv50.c
> index 96aca0edfa3c..c51bac76174c 100644
> --- a/drivers/gpu/drm/nouveau/nvkm/subdev/instmem/nv50.c
> +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/instmem/nv50.c
> @@ -313,7 +313,7 @@ nv50_instobj_dtor(struct nvkm_memory *memory)
>         struct nv50_instobj *iobj = nv50_instobj(memory);
>         struct nvkm_instmem *imem = &iobj->imem->base;
>         struct nvkm_vma *bar;
> -       void *map = map;
> +       void *map;
>  
>         mutex_lock(&imem->mutex);
>         if (likely(iobj->lru.next))

-- 
Cheers,
 Lyude Paul (she/her)
 Software Engineer at Red Hat




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