Re: [PATCH] mmc: wbsd: remove redundant assignment to variable id

From: Ulf Hansson
Date: Tue Feb 06 2024 - 06:19:07 EST


On Mon, 5 Feb 2024 at 20:13, Colin Ian King <colin.i.king@xxxxxxxxx> wrote:
>
> The variable id is being initialized with a value that is never
> read, it is being re-assigned later on. The initialization is
> redundant and can be removed.
>
> Cleans up clang scan build warning:
> drivers/mmc/host/wbsd.c:1287:4: warning: Value stored to 'id'
> is never read [deadcode.DeadStores]
>
> Signed-off-by: Colin Ian King <colin.i.king@xxxxxxxxx>
> ---
> drivers/mmc/host/wbsd.c | 2 --
> 1 file changed, 2 deletions(-)
>
> diff --git a/drivers/mmc/host/wbsd.c b/drivers/mmc/host/wbsd.c
> index 001a468bc149..f0562f712d98 100644
> --- a/drivers/mmc/host/wbsd.c
> +++ b/drivers/mmc/host/wbsd.c
> @@ -1284,8 +1284,6 @@ static int wbsd_scan(struct wbsd_host *host)
> continue;
>
> for (j = 0; j < ARRAY_SIZE(unlock_codes); j++) {
> - id = 0xFFFF;
> -
> host->config = config_ports[i];
> host->unlock_code = unlock_codes[j];

A few lines down there is check "if (id != 0xFFFF)". Looks like that
is a redundant check. Would you mind cleaning up that part too, as a
part of the $subject patch?

Kind regards
Uffe