Re: [PATCH linux-next] drm/nouveau/mmu/gp100-: drop unneeded assignment in the if condition.

[Karol Herbst]

Reviewed-by: Karol Herbst <kherbst@xxxxxxxxxx>

but I will remove the unnecessary brackets as well

On Sat, Aug 21, 2021 at 10:46 AM CGEL <cgel.zte@xxxxxxxxx> wrote:
>
> From: Luo penghao <luo.penghao@xxxxxxxxxx>
>
> In order to keep the code style consistency of the whole file,
> the 'inst' assignments should be deleted.
>
> The clang_analyzer complains as follows:
>
> drivers/gpu/drm/nouveau/nvkm/subdev/mmu/vmmgp100.c:499:8: warning:
> Although the value storedto 'inst' is used in the enclosing expression,
> the value is never actually read from 'inst'.
>
> Reported-by: Zeal Robot <zealci@xxxxxxxxxx>
> Signed-off-by: Luo penghao <luo.penghao@xxxxxxxxxx>
> ---
>  drivers/gpu/drm/nouveau/nvkm/subdev/mmu/vmmgp100.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/vmmgp100.c b/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/vmmgp100.c
> index f02abd9..5d7766a 100644
> --- a/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/vmmgp100.c
> +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/vmmgp100.c
> @@ -502,7 +502,7 @@ gp100_vmm_fault_cancel(struct nvkm_vmm *vmm, void *argv, u32 argc)
>         args->v0.inst |= 0x80000000;
>
>         if (!WARN_ON(nvkm_gr_ctxsw_pause(device))) {
> -               if ((inst = nvkm_gr_ctxsw_inst(device)) == args->v0.inst) {
> +               if ((nvkm_gr_ctxsw_inst(device)) == args->v0.inst) {
>                         gf100_vmm_invalidate(vmm, 0x0000001b
>                                              /* CANCEL_TARGETED. */ |
>                                              (args->v0.hub    << 20) |
> --
> 2.15.2
>
>