Chris Wilson b98bade56e overlay: Add copyright statements
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
2013-08-20 21:39:27 +01:00

46 lines
1.5 KiB
C

/*
* Copyright © 2013 Intel Corporation
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
* IN THE SOFTWARE.
*
*/
#include <sys/stat.h>
#include <sys/mount.h>
#include <errno.h>
#include "debugfs.h"
int debugfs_init(void)
{
struct stat st;
if (stat("/sys/kernel/debug/dri", &st) == 0)
return 0;
if (stat("/sys/kernel/debug", &st))
return errno;
if (mount("debug", "/sys/kernel/debug", "debugfs", 0, 0))
return errno;
return 0;
}