linux-kernel - Re: [PATCH] cxacru: Cleanup sysfs attribute code

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Date:	Wed, 25 Apr 2007 09:19:50 +0200
From:	Duncan Sands <duncan.sands@...h.u-psud.fr>
To:	Simon Arlott <simon@...e.lp0.eu>
Cc:	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Greg Kroah-Hartman <gregkh@...e.de>,
	Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: [PATCH] cxacru: Cleanup sysfs attribute code

Hi Simon,

>  static ssize_t cxacru_sysfs_showattr_dB(s16 value, char *buf)
>  {
> -	if (unlikely(value < 0)) {
> -		return snprintf(buf, PAGE_SIZE, "%d.%02u\n",
> -						value / 100, -value % 100);
> -	} else {
> -		return snprintf(buf, PAGE_SIZE, "%d.%02u\n",
> -						value / 100, value % 100);
> -	}
> +	return snprintf(buf, PAGE_SIZE, "%u.%02u\n",
> +					value / 100, abs(value) % 100);

shouldn't this be "%d.%02u\n"?

> +	static char *str[] = { "no", "yes" };
...
> +	return snprintf(buf, PAGE_SIZE, "%s\n", str[value]);

This could be
	static char *str[] = { "no\n", "yes\n" };
...
	return snprintf(buf, PAGE_SIZE, str[value]);
I'm not saying that it's better, just a remark!

Ciao,

Duncan.
-
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