Revision 5fe65ce7ccbb47b16e17a88bcdac73cffadb80fa authored by Markus Pargmann on 08 September 2014, 07:14:07 UTC, committed by Wim Van Sebroeck on 21 January 2015, 13:52:23 UTC
Disable power down counter of the watchdog to avoid system resets. The watchdog power down counter is set automatically by the chip. If it is not set to 0 in the driver, the system resets. Signed-off-by: Markus Pargmann <mpa@pengutronix.de> Acked-by: Shawn Guo <shawn.guo@linaro.org> Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
1 parent bbd5900
xattr_trusted.c
/*
* Copyright IBM Corporation, 2010
* Author Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of version 2.1 of the GNU Lesser General Public License
* as published by the Free Software Foundation.
*
* This program is distributed in the hope that it would be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
*
*/
#include <linux/module.h>
#include <linux/string.h>
#include <linux/fs.h>
#include <linux/slab.h>
#include "xattr.h"
static int v9fs_xattr_trusted_get(struct dentry *dentry, const char *name,
void *buffer, size_t size, int type)
{
int retval;
char *full_name;
size_t name_len;
size_t prefix_len = XATTR_TRUSTED_PREFIX_LEN;
if (name == NULL)
return -EINVAL;
if (strcmp(name, "") == 0)
return -EINVAL;
name_len = strlen(name);
full_name = kmalloc(prefix_len + name_len + 1 , GFP_KERNEL);
if (!full_name)
return -ENOMEM;
memcpy(full_name, XATTR_TRUSTED_PREFIX, prefix_len);
memcpy(full_name+prefix_len, name, name_len);
full_name[prefix_len + name_len] = '\0';
retval = v9fs_xattr_get(dentry, full_name, buffer, size);
kfree(full_name);
return retval;
}
static int v9fs_xattr_trusted_set(struct dentry *dentry, const char *name,
const void *value, size_t size, int flags, int type)
{
int retval;
char *full_name;
size_t name_len;
size_t prefix_len = XATTR_TRUSTED_PREFIX_LEN;
if (name == NULL)
return -EINVAL;
if (strcmp(name, "") == 0)
return -EINVAL;
name_len = strlen(name);
full_name = kmalloc(prefix_len + name_len + 1 , GFP_KERNEL);
if (!full_name)
return -ENOMEM;
memcpy(full_name, XATTR_TRUSTED_PREFIX, prefix_len);
memcpy(full_name + prefix_len, name, name_len);
full_name[prefix_len + name_len] = '\0';
retval = v9fs_xattr_set(dentry, full_name, value, size, flags);
kfree(full_name);
return retval;
}
struct xattr_handler v9fs_xattr_trusted_handler = {
.prefix = XATTR_TRUSTED_PREFIX,
.get = v9fs_xattr_trusted_get,
.set = v9fs_xattr_trusted_set,
};
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