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From: adobriyan@gmail.com (Alexey Dobriyan)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH] net: Allow mac_pton() to work on non-NULL terminated strings
Date: Fri, 23 Feb 2018 23:41:04 +0300	[thread overview]
Message-ID: <20180223204104.GA15686@avx2> (raw)
In-Reply-To: <20180223201748.14328-1-stefan@the2masters.de>

On Fri, Feb 23, 2018 at 09:17:48PM +0100, Stefan Hellermann wrote:
> @@ -8,10 +8,6 @@ bool mac_pton(const char *s, u8 *mac)
>  {
>  	int i;
>  
> -	/* XX:XX:XX:XX:XX:XX */
> -	if (strlen(s) < 3 * ETH_ALEN - 1)
> -		return false;
> -
>  	/* Don't dirty result unless string is valid MAC. */
>  	for (i = 0; i < ETH_ALEN; i++) {
>  		if (!isxdigit(s[i * 3]) || !isxdigit(s[i * 3 + 1]))

Short string will bail in the loop, indeed.

Reviewed-by: Alexey Dobriyan <adobriyan@gmail.com>

  parent reply	other threads:[~2018-02-23 20:41 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-10-02 14:12 [PATCH v2 1/1] ARM: orion5x: use mac_pton() helper Andy Shevchenko
2015-10-13 11:27 ` Detlef Vollmann
2015-10-15  7:51   ` Gregory CLEMENT
2018-02-22 17:45 ` [v2,1/1] " Stefan Hellermann
2018-02-22 21:42   ` Andrew Lunn
2018-02-22 23:18     ` Stefan Hellermann
2018-02-22 23:34       ` Andrew Lunn
2018-02-23 10:09         ` Andy Shevchenko
2018-02-23 15:01           ` Andrew Lunn
2018-02-23 15:18             ` Andy Shevchenko
2018-02-23 15:51               ` Andrew Lunn
2018-02-23 16:36                 ` Stefan Hellermann
2018-02-23 16:57                   ` Andy Shevchenko
2018-02-23 17:23                   ` Andrew Lunn
2018-02-23 18:20               ` Alexey Dobriyan
2018-02-23 20:17                 ` [PATCH] net: Allow mac_pton() to work on non-NULL terminated strings Stefan Hellermann
2018-02-23 20:27                   ` Andrew Lunn
2018-02-23 20:41                   ` Alexey Dobriyan [this message]
2018-02-23 20:51                     ` Andy Shevchenko
2018-02-26 18:37                   ` David Miller

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