lkml.org 
[lkml]   [2014]   [Jun]   [4]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
SubjectRe: [PATCH 0/10] use safer test on the result of find_first_zero_bit
From
Hi Julia,

On Wed, Jun 4, 2014 at 11:52 AM, Julia Lawall <julia.lawall@lip6.fr> wrote:
>> Maybe the documented return code should be changed to allow for the
>> existing behaviour.
>
> Sorry, I'm not sure to understand what you suggest here.

include/asm-generic/bitops/find.h:

| /**
| * find_first_zero_bit - find the first cleared bit in a memory region
| * @addr: The address to start the search at
| * @size: The maximum number of bits to search
| *
| * Returns the bit number of the first cleared bit.
| * If no bits are zero, returns @size.

"If no bits are zero, returns @size or a number larger than @size."

| */
| extern unsigned long find_first_zero_bit(const unsigned long *addr,
| unsigned long size);

Gr{oetje,eeting}s,

Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
-- Linus Torvalds


\
 
 \ /
  Last update: 2014-06-04 13:41    [W:1.248 / U:0.012 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site