Re: [PATCH 3/6] lib80211: re-use string_escape_mem_any_np()

From: Andy Shevchenko
Date: Wed Jul 02 2014 - 10:06:11 EST


On Wed, 2014-07-02 at 06:43 -0700, Joe Perches wrote:
> On Wed, 2014-07-02 at 16:20 +0300, Andy Shevchenko wrote:
> > In kernel we have function to escape a given string. Let's use it instead of
> > custom approach.
> >
> > This fixes a bug. The current implementation wrongly prints octal numbers: only
> > two first digits are used in case when 3 are required and the rest of the
> > string ends up cut off.

[]

> This code looks like it was adapted from the old print_mac
> ethernet code that was eventually replaced by a vsprintf
> pointer extension %pM
>
> So a better way to do this might be to add and use yet
> another vsprintf %p<foo> extension for ssids.

Might be, but it
- doesn't reduce necessity of string_escape_mem (not only ssid are
escaped in kernel)
- prevents user to choose a rule what exactly their would like to
escape (look at the other patches against ssid escaping)

--
Andy Shevchenko <andriy.shevchenko@xxxxxxxxx>
Intel Finland Oy

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