lkml.org 
[lkml]   [2022]   [Nov]   [23]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
From
SubjectRe: [PATCH v6 2/3] random: introduce generic vDSO getrandom() implementation
Date
* Jason A. Donenfeld:

> static void *vgetrandom_alloc(size_t *num, size_t *size_per_each, unsigned int flags)
> {
> unsigned long ret = syscall(__NR_vgetrandom_alloc, num, size_per_each, flags);
> return ret > -4096UL ? NULL : (void *)ret;
> }

The traditional syscall function returns -1 on error and set errors, so
using unsing long and the 4096 is quite misleading.

Thanks,
Florian

\
 
 \ /
  Last update: 2022-11-23 11:59    [W:0.339 / U:0.260 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site