lkml.org 
[lkml]   [2015]   [May]   [10]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
From
Subjectvsprintf: Add support for userspace strings
Date
While debugging issues I often add (trace_)printks to strategic positions.
Dealing with user provided string is complicated as an extra buffer a
copy_from_user() is needed.
This adds a new format string to allow direct printing of such strings.

My initial plan was to use %pU but 'U' is already taken, therefore
I used the next letter which comes in mind when one thinks of userpace,
'L'.
The %pL format string works exactly like %s.

[PATCH 1/2] Fix printk() on ERR_PTR()
[PATCH 2/2] vsprintf: Add support for userspace strings


\
 
 \ /
  Last update: 2015-05-10 22:21    [W:0.055 / U:2.300 seconds]
©2003-2018 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site