linux-kernel - Re: [PATCH] nubus: remove cast to void pointer

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Message-ID: <CAMuHMdWWnAVsVci9ZAKX_hhwYCHgaMNdOt=+k3P_xCQ7jWG-iw@mail.gmail.com>
Date:   Fri, 27 Sep 2019 14:45:42 +0200
From:   Geert Uytterhoeven <geert@...ux-m68k.org>
To:     Himanshu Jha <himanshujha199640@...il.com>
Cc:     Finn Thain <fthain@...egraphics.com.au>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] nubus: remove cast to void pointer

Hi Himanshu,

On Sun, Aug 27, 2017 at 9:33 AM Himanshu Jha
<himanshujha199640@...il.com> wrote:
> Casting void pointers to other pointer types in unnecessary.
>
> Signed-off-by: Himanshu Jha <himanshujha199640@...il.com>

Thanks for your patch!

> --- a/drivers/nubus/nubus.c
> +++ b/drivers/nubus/nubus.c
> @@ -167,7 +167,7 @@ static unsigned char *nubus_dirptr(const struct nubus_dirent *nd)
>  void nubus_get_rsrc_mem(void *dest, const struct nubus_dirent *dirent,
>                         int len)
>  {
> -       unsigned char *t = (unsigned char *)dest;
> +       unsigned char *t = dest;
>         unsigned char *p = nubus_dirptr(dirent);
>
>         while (len) {
> @@ -180,7 +180,7 @@ EXPORT_SYMBOL(nubus_get_rsrc_mem);
>  void nubus_get_rsrc_str(void *dest, const struct nubus_dirent *dirent,
>                         int len)
>  {
> -       unsigned char *t = (unsigned char *)dest;
> +       unsigned char *t = dest;
>         unsigned char *p = nubus_dirptr(dirent);
>
>         while (len) {

The second chunk is no longer valid, but the first one still is.

Reviewed-by: Geert Uytterhoeven <geert@...ux-m68k.org>
i.e. will queue the first chunk for v5.5.

Gr{oetje,eeting}s,

                        Geert

-- 
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@...ux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds