Revision 92adeb616c9172dea9678f53ea6e5501fc4f4338 authored by Linus Torvalds on 13 July 2019, 22:07:02 UTC, committed by Linus Torvalds on 13 July 2019, 22:07:02 UTC
Pull IPMI updates from Corey Minyard: "Some small fixes for various things, nothing huge, mostly found by automated tools. Plus add a driver that allows Linux to act as an IPMB slave device, so it can be a satellite MC in an IPMI network" * tag 'for-linus-5.3' of git://github.com/cminyard/linux-ipmi: docs: ipmb: place it at driver-api and convert to ReST fix platform_no_drv_owner.cocci warnings ipmi: ipmb: don't allocate i2c_client on stack ipmi: ipmb: Fix build error while CONFIG_I2C is set to m Add support for IPMB driver drivers: ipmi: Drop device reference ipmi_ssif: fix unexpected driver unregister warning ipmi_si: use bool type for initialized variable ipmi_si: fix unexpected driver unregister warning
list_debug.c
/*
* Copyright 2006, Red Hat, Inc., Dave Jones
* Released under the General Public License (GPL).
*
* This file contains the linked list validation for DEBUG_LIST.
*/
#include <linux/export.h>
#include <linux/list.h>
#include <linux/bug.h>
#include <linux/kernel.h>
#include <linux/rculist.h>
/*
* Check that the data structures for the list manipulations are reasonably
* valid. Failures here indicate memory corruption (and possibly an exploit
* attempt).
*/
bool __list_add_valid(struct list_head *new, struct list_head *prev,
struct list_head *next)
{
if (CHECK_DATA_CORRUPTION(next->prev != prev,
"list_add corruption. next->prev should be prev (%px), but was %px. (next=%px).\n",
prev, next->prev, next) ||
CHECK_DATA_CORRUPTION(prev->next != next,
"list_add corruption. prev->next should be next (%px), but was %px. (prev=%px).\n",
next, prev->next, prev) ||
CHECK_DATA_CORRUPTION(new == prev || new == next,
"list_add double add: new=%px, prev=%px, next=%px.\n",
new, prev, next))
return false;
return true;
}
EXPORT_SYMBOL(__list_add_valid);
bool __list_del_entry_valid(struct list_head *entry)
{
struct list_head *prev, *next;
prev = entry->prev;
next = entry->next;
if (CHECK_DATA_CORRUPTION(next == LIST_POISON1,
"list_del corruption, %px->next is LIST_POISON1 (%px)\n",
entry, LIST_POISON1) ||
CHECK_DATA_CORRUPTION(prev == LIST_POISON2,
"list_del corruption, %px->prev is LIST_POISON2 (%px)\n",
entry, LIST_POISON2) ||
CHECK_DATA_CORRUPTION(prev->next != entry,
"list_del corruption. prev->next should be %px, but was %px\n",
entry, prev->next) ||
CHECK_DATA_CORRUPTION(next->prev != entry,
"list_del corruption. next->prev should be %px, but was %px\n",
entry, next->prev))
return false;
return true;
}
EXPORT_SYMBOL(__list_del_entry_valid);
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