netdev - Re: [PATCH 1/2] iwlwifi: convert hex_dump_to

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Date:	Tue, 4 Aug 2015 14:52:27 +0300
From:	Emmanuel Grumbach <egrumbach@...il.com>
To:	Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Cc:	"netdev@...r.kernel.org" <netdev@...r.kernel.org>,
	linux-wireless <linux-wireless@...r.kernel.org>,
	Johannes Berg <johannes.berg@...el.com>,
	Kalle Valo <kvalo@...eaurora.org>,
	Stanislaw Gruszka <sgruszka@...hat.com>
Subject: Re: [PATCH 1/2] iwlwifi: convert hex_dump_to_buffer() to %*ph

On Tue, Aug 4, 2015 at 2:48 PM, Emmanuel Grumbach <egrumbach@...il.com> wrote:
> On Tue, Aug 4, 2015 at 1:47 PM, Andy Shevchenko
> <andriy.shevchenko@...ux.intel.com> wrote:
>> On Thu, 2015-07-16 at 15:42 +0300, Andy Shevchenko wrote:
>>> There is no need to use hex_dump_to_buffer() in the cases like this:
>>>
>>>       hexdump_to_buffer(buf, len, 16, 1, outbuf, outlen, false);      > /* len <= 16
>>> */
>>>       sprintf("%s\n", outbuf);
>>>
>>> since it maybe easily converted to simple:
>>>
>>>       sprintf("%*ph\n", len, buf);
>>>
>>> Note: it seems in one case the output is groupped by 2 bytes and
>>> looks like a
>>> typo. Thus, patch changes that to plain byte stream.
>>
>>
>> Any comments on this, anyone?
>>
>> The idea is to minimize usage of hexdump_to_buffer(), i.e. not using it
>> when it's an obvious overkill.
>>
>
> Sorry for the delay, since the buffer is small (less than 16 bytes, it
> should be fine).

I applied it on our internal tree. Thank you.
--
To unsubscribe from this list: send the line "unsubscribe netdev" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html