From: Alexey Dobriyan <adobriyan@gmail.com>
To: Stefan Hellermann <stefan@the2masters.de>
Cc: andrew@lunn.ch, linux@arm.linux.org.uk, jason@lakedaemon.net,
netdev@vger.kernel.org, "\[ 4 . 4+ \]" <stable@vger.kernel.org>,
linux-arm-kernel@lists.infradead.org,
gregory.clement@free-electrons.com,
andriy.shevchenko@linux.intel.com, dv@vollmann.ch
Subject: Re: [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>
next prev parent reply other threads:[~2018-02-23 20:41 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20180223182006.GA2116@avx2>
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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