Re: [PATCH] drivers/tty: emove redundant assignment to variable i and rename it to ret

From: Colin Ian King
Date: Sun Apr 05 2020 - 09:35:50 EST


Oops, typo on $SUBJECT, can "emove" be replaced with "remove" when this
is applied?

On 05/04/2020 14:30, Colin King wrote:
> From: Colin Ian King <colin.king@xxxxxxxxxxxxx>
>
> The variable i is being assigned a value that is never read
> and it is being updated later with a new value. The assignment
> is redundant and can be removed. Also rename i to ret as this new
> name makes makes more sense.
>
> Addresses-Coverity: ("Unused value")
> Signed-off-by: Colin Ian King <colin.king@xxxxxxxxxxxxx>
> ---
> drivers/tty/serial/8250/serial_cs.c | 6 +++---
> 1 file changed, 3 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/tty/serial/8250/serial_cs.c b/drivers/tty/serial/8250/serial_cs.c
> index c8186a05a453..e3d10794dbba 100644
> --- a/drivers/tty/serial/8250/serial_cs.c
> +++ b/drivers/tty/serial/8250/serial_cs.c
> @@ -440,7 +440,7 @@ static int simple_config_check_notpicky(struct pcmcia_device *p_dev,
> static int simple_config(struct pcmcia_device *link)
> {
> struct serial_info *info = link->priv;
> - int i = -ENODEV, try;
> + int ret, try;
>
> /*
> * First pass: look for a config entry that looks normal.
> @@ -472,8 +472,8 @@ static int simple_config(struct pcmcia_device *link)
> if (info->quirk && info->quirk->config)
> info->quirk->config(link);
>
> - i = pcmcia_enable_device(link);
> - if (i != 0)
> + ret = pcmcia_enable_device(link);
> + if (ret != 0)
> return -1;
> return setup_serial(link, info, link->resource[0]->start, link->irq);
> }
>