lkml.org 
[lkml]   [2020]   [Apr]   [6]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
SubjectRe: [PATCH][V2] drivers/tty: remove redundant assignment to variable i and rename it to ret
From
Date
On 05. 04. 20, 15:54, Colin King wrote:
> From: Colin Ian King <colin.king@canonical.com>
>
> 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@canonical.com>
> ---
> V2: fix typo in subject line
> ---
> 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);
> }

LGTM, so
Acked-by: Jiri Slaby <jslaby@suse.cz>

But it would be worth to change this function and its callers to accept
and propagate real errors too. I.e. "return ret" here.

thanks,
--
js
suse labs

\
 
 \ /
  Last update: 2020-04-06 06:34    [W:0.302 / U:0.296 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site