linux-kernel - Re: [PATCH net-next 03/11] rsxx: remove extraneous 'const' qualifier

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Date:   Thu, 29 Oct 2020 12:34:05 -0700
From:   Nick Desaulniers <ndesaulniers@...gle.com>
To:     Arnd Bergmann <arnd@...nel.org>
Cc:     Joshua Morris <josh.h.morris@...ibm.com>,
        Philip Kelleher <pjk1939@...ux.ibm.com>,
        Arnd Bergmann <arnd@...db.de>, Jens Axboe <axboe@...nel.dk>,
        Nathan Chancellor <natechancellor@...il.com>,
        "Gustavo A. R. Silva" <gustavoars@...nel.org>,
        Bjorn Helgaas <bhelgaas@...gle.com>,
        linux-block@...r.kernel.org, LKML <linux-kernel@...r.kernel.org>,
        clang-built-linux <clang-built-linux@...glegroups.com>
Subject: Re: [PATCH net-next 03/11] rsxx: remove extraneous 'const' qualifier

On Mon, Oct 26, 2020 at 2:31 PM Arnd Bergmann <arnd@...nel.org> wrote:
>
> From: Arnd Bergmann <arnd@...db.de>
>
> The returned string from rsxx_card_state_to_str is 'const',
> but the other qualifier doesn't change anything here except
> causing a warning with 'clang -Wextra':
>
> drivers/block/rsxx/core.c:393:21: warning: 'const' type qualifier on return type has no effect [-Wignored-qualifiers]
> static const char * const rsxx_card_state_to_str(unsigned int state)
>
> Fixes: f37912039eb0 ("block: IBM RamSan 70/80 trivial changes.")
> Signed-off-by: Arnd Bergmann <arnd@...db.de>

Reviewed-by: Nick Desaulniers <ndesaulniers@...gle.com>

> ---
>  drivers/block/rsxx/core.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/block/rsxx/core.c b/drivers/block/rsxx/core.c
> index 63f549889f87..d0af46d7b681 100644
> --- a/drivers/block/rsxx/core.c
> +++ b/drivers/block/rsxx/core.c
> @@ -390,7 +390,7 @@ static irqreturn_t rsxx_isr(int irq, void *pdata)
>  }
>
>  /*----------------- Card Event Handler -------------------*/
> -static const char * const rsxx_card_state_to_str(unsigned int state)
> +static const char *rsxx_card_state_to_str(unsigned int state)
>  {
>         static const char * const state_strings[] = {
>                 "Unknown", "Shutdown", "Starting", "Formatting",
> --
> 2.27.0
>


-- 
Thanks,
~Nick Desaulniers