[jpirko-mlxsw:linecards 60/118] net/core/devlink.c:1987:32: error: use of undeclared identifier 'devlink_list'

From: kernel test robot
Date: Tue Aug 17 2021 - 00:07:19 EST

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tree: https://github.com/jpirko/linux_mlxsw linecards
head: 6b580f8d58828d310d04bfebc84f991ed36cdb46
commit: 9c59c78fc8363db10148c774d2bbd66349a00e5f [60/118] devlink: add support to create line card and expose to user
config: powerpc64-randconfig-r016-20210816 (attached as .config)
compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project 44d0a99a12ec7ead4d2f5ef649ba05b40f6d463d)
reproduce (this is a W=1 build):
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# install powerpc64 cross compiling tool for clang build
# apt-get install binutils-powerpc-linux-gnu
# https://github.com/jpirko/linux_mlxsw/commit/9c59c78fc8363db10148c774d2bbd66349a00e5f
git remote add jpirko-mlxsw https://github.com/jpirko/linux_mlxsw
git fetch --no-tags jpirko-mlxsw linecards
git checkout 9c59c78fc8363db10148c774d2bbd66349a00e5f
# save the attached .config to linux build tree
mkdir build_dir
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross O=build_dir ARCH=powerpc SHELL=/bin/bash net/core/

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@xxxxxxxxx>

All errors (new ones prefixed by >>):

>> net/core/devlink.c:1987:32: error: use of undeclared identifier 'devlink_list'
list_for_each_entry(devlink, &devlink_list, list) {
^
>> net/core/devlink.c:1987:32: error: use of undeclared identifier 'devlink_list'
>> net/core/devlink.c:1987:32: error: use of undeclared identifier 'devlink_list'
>> net/core/devlink.c:1987:2: error: no member named 'list' in 'devlink'
list_for_each_entry(devlink, &devlink_list, list) {
^ ~~~~
include/linux/list.h:628:13: note: expanded from macro 'list_for_each_entry'
for (pos = list_first_entry(head, typeof(*pos), member); \
^ ~~~~~~
include/linux/list.h:522:2: note: expanded from macro 'list_first_entry'
list_entry((ptr)->next, type, member)
^ ~~~~~~
include/linux/list.h:511:2: note: expanded from macro 'list_entry'
container_of(ptr, type, member)
^ ~~~~~~
include/linux/kernel.h:498:21: note: expanded from macro 'container_of'
((type *)(__mptr - offsetof(type, member))); })
^ ~~~~~~
include/linux/stddef.h:17:32: note: expanded from macro 'offsetof'
#define offsetof(TYPE, MEMBER) __compiler_offsetof(TYPE, MEMBER)
^ ~~~~~~
include/linux/compiler_types.h:140:35: note: expanded from macro '__compiler_offsetof'
#define __compiler_offsetof(a, b) __builtin_offsetof(a, b)
^ ~
>> net/core/devlink.c:1987:2: error: assigning to 'struct devlink *' from incompatible type 'void'
list_for_each_entry(devlink, &devlink_list, list) {
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/list.h:628:11: note: expanded from macro 'list_for_each_entry'
for (pos = list_first_entry(head, typeof(*pos), member); \
^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>> net/core/devlink.c:1987:46: error: no member named 'list' in 'struct devlink'
list_for_each_entry(devlink, &devlink_list, list) {
~~~~~~~ ^
include/linux/list.h:629:38: note: expanded from macro 'list_for_each_entry'
!list_entry_is_head(pos, head, member); \
~~~ ^
include/linux/list.h:619:9: note: expanded from macro 'list_entry_is_head'
(&pos->member == (head))
~~~ ^
>> net/core/devlink.c:1987:32: error: use of undeclared identifier 'devlink_list'
list_for_each_entry(devlink, &devlink_list, list) {
^
>> net/core/devlink.c:1987:46: error: no member named 'list' in 'struct devlink'
list_for_each_entry(devlink, &devlink_list, list) {
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~
include/linux/list.h:630:34: note: expanded from macro 'list_for_each_entry'
pos = list_next_entry(pos, member))
~~~~~~~~~~~~~~~~~~~~~^~~~~~~
include/linux/list.h:555:20: note: expanded from macro 'list_next_entry'
list_entry((pos)->member.next, typeof(*(pos)), member)
~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/list.h:511:15: note: expanded from macro 'list_entry'
container_of(ptr, type, member)
~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~
include/linux/kernel.h:494:26: note: expanded from macro 'container_of'
void *__mptr = (void *)(ptr); \
^~~
>> net/core/devlink.c:1987:46: error: no member named 'list' in 'struct devlink'
list_for_each_entry(devlink, &devlink_list, list) {
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~
include/linux/list.h:630:34: note: expanded from macro 'list_for_each_entry'
pos = list_next_entry(pos, member))
~~~~~~~~~~~~~~~~~~~~~^~~~~~~
include/linux/list.h:555:20: note: expanded from macro 'list_next_entry'
list_entry((pos)->member.next, typeof(*(pos)), member)
~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/list.h:511:15: note: expanded from macro 'list_entry'
container_of(ptr, type, member)
~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~
note: (skipping 3 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all)
include/linux/compiler_types.h:328:22: note: expanded from macro 'compiletime_assert'
_compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/compiler_types.h:316:23: note: expanded from macro '_compiletime_assert'
__compiletime_assert(condition, msg, prefix, suffix)
~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/compiler_types.h:308:9: note: expanded from macro '__compiletime_assert'
if (!(condition)) \
^~~~~~~~~
>> net/core/devlink.c:1987:46: error: no member named 'list' in 'struct devlink'
list_for_each_entry(devlink, &devlink_list, list) {
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~
include/linux/list.h:630:34: note: expanded from macro 'list_for_each_entry'
pos = list_next_entry(pos, member))
~~~~~~~~~~~~~~~~~~~~~^~~~~~~
include/linux/list.h:555:20: note: expanded from macro 'list_next_entry'
list_entry((pos)->member.next, typeof(*(pos)), member)
~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/list.h:511:15: note: expanded from macro 'list_entry'
container_of(ptr, type, member)
~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~
note: (skipping 3 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all)
include/linux/compiler_types.h:328:22: note: expanded from macro 'compiletime_assert'
_compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/compiler_types.h:316:23: note: expanded from macro '_compiletime_assert'
__compiletime_assert(condition, msg, prefix, suffix)
~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/compiler_types.h:308:9: note: expanded from macro '__compiletime_assert'
if (!(condition)) \
^~~~~~~~~
>> net/core/devlink.c:1987:2: error: no member named 'list' in 'devlink'
list_for_each_entry(devlink, &devlink_list, list) {
^ ~~~~
include/linux/list.h:630:13: note: expanded from macro 'list_for_each_entry'
pos = list_next_entry(pos, member))
^ ~~~~~~
include/linux/list.h:555:2: note: expanded from macro 'list_next_entry'
list_entry((pos)->member.next, typeof(*(pos)), member)
^ ~~~~~~
include/linux/list.h:511:2: note: expanded from macro 'list_entry'
container_of(ptr, type, member)
^ ~~~~~~
include/linux/kernel.h:498:21: note: expanded from macro 'container_of'
((type *)(__mptr - offsetof(type, member))); })
^ ~~~~~~
include/linux/stddef.h:17:32: note: expanded from macro 'offsetof'
#define offsetof(TYPE, MEMBER) __compiler_offsetof(TYPE, MEMBER)
^ ~~~~~~
include/linux/compiler_types.h:140:35: note: expanded from macro '__compiler_offsetof'
#define __compiler_offsetof(a, b) __builtin_offsetof(a, b)
^ ~
>> net/core/devlink.c:1987:2: error: assigning to 'struct devlink *' from incompatible type 'void'
list_for_each_entry(devlink, &devlink_list, list) {
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/list.h:630:11: note: expanded from macro 'list_for_each_entry'
pos = list_next_entry(pos, member))
^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~
12 errors generated.

Kconfig warnings: (for reference only)
WARNING: unmet direct dependencies detected for HOTPLUG_CPU
Depends on SMP && (PPC_PSERIES || PPC_PMAC || PPC_POWERNV || FSL_SOC_BOOKE
Selected by
- PM_SLEEP_SMP && SMP && (ARCH_SUSPEND_POSSIBLE || ARCH_HIBERNATION_POSSIBLE && PM_SLEEP

vim +/devlink_list +1987 net/core/devlink.c

1976
1977 static int devlink_nl_cmd_linecard_get_dumpit(struct sk_buff *msg,
1978 struct netlink_callback *cb)
1979 {
1980 struct devlink_linecard *linecard;
1981 struct devlink *devlink;
1982 int start = cb->args[0];
1983 int idx = 0;
1984 int err;
1985
1986 mutex_lock(&devlink_mutex);
> 1987 list_for_each_entry(devlink, &devlink_list, list) {
1988 if (!net_eq(devlink_net(devlink), sock_net(msg->sk)))
1989 continue;
1990 mutex_lock(&devlink->lock);
1991 list_for_each_entry(linecard, &devlink->linecard_list, list) {
1992 if (idx < start) {
1993 idx++;
1994 continue;
1995 }
1996 err = devlink_nl_linecard_fill(msg, devlink, linecard,
1997 DEVLINK_CMD_LINECARD_NEW,
1998 NETLINK_CB(cb->skb).portid,
1999 cb->nlh->nlmsg_seq,
2000 NLM_F_MULTI,
2001 cb->extack);
2002 if (err) {
2003 mutex_unlock(&devlink->lock);
2004 goto out;
2005 }
2006 idx++;
2007 }
2008 mutex_unlock(&devlink->lock);
2009 }
2010 out:
2011 mutex_unlock(&devlink_mutex);
2012
2013 cb->args[0] = idx;
2014 return msg->len;
2015 }
2016

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx

Attachment: .config.gz
Description: application/gzip

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