[arm:zii 144/161] include/linux/kernel.h:495:51: error: dereferencing pointer to incomplete type 'struct axienet_pcs'
kernel test robot
lkp at intel.com
Wed Nov 24 01:13:59 PST 2021
tree: git://git.armlinux.org.uk/~rmk/linux-arm.git zii
head: 1c86335a03ee0102daaefede1fb25cdbb367b14c
commit: 9849020c16f670a3b701023ef3ae94efca71402f [144/161] net: axienet: convert to phylink_pcs
config: i386-randconfig-r024-20211124 (https://download.01.org/0day-ci/archive/20211124/202111241745.iVhziIww-lkp@intel.com/config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
reproduce (this is a W=1 build):
git remote add arm git://git.armlinux.org.uk/~rmk/linux-arm.git
git fetch --no-tags arm zii
git checkout 9849020c16f670a3b701023ef3ae94efca71402f
# save the config file to linux build tree
mkdir build_dir
make W=1 O=build_dir ARCH=i386 SHELL=/bin/bash drivers/net/ethernet/xilinx/
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp at intel.com>
All errors (new ones prefixed by >>):
In file included from <command-line>:
drivers/net/ethernet/xilinx/xilinx_axienet_main.c: In function 'pcs_to_axienet':
>> include/linux/kernel.h:495:51: error: dereferencing pointer to incomplete type 'struct axienet_pcs'
495 | BUILD_BUG_ON_MSG(!__same_type(*(ptr), ((type *)0)->member) && \
| ^~
include/linux/compiler_types.h:302:9: note: in definition of macro '__compiletime_assert'
302 | if (!(condition)) \
| ^~~~~~~~~
include/linux/compiler_types.h:322:2: note: in expansion of macro '_compiletime_assert'
322 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
| ^~~~~~~~~~~~~~~~~~~
include/linux/build_bug.h:39:37: note: in expansion of macro 'compiletime_assert'
39 | #define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg)
| ^~~~~~~~~~~~~~~~~~
include/linux/kernel.h:495:2: note: in expansion of macro 'BUILD_BUG_ON_MSG'
495 | BUILD_BUG_ON_MSG(!__same_type(*(ptr), ((type *)0)->member) && \
| ^~~~~~~~~~~~~~~~
include/linux/kernel.h:495:20: note: in expansion of macro '__same_type'
495 | BUILD_BUG_ON_MSG(!__same_type(*(ptr), ((type *)0)->member) && \
| ^~~~~~~~~~~
drivers/net/ethernet/xilinx/xilinx_axienet_main.c:1508:9: note: in expansion of macro 'container_of'
1508 | return container_of(pcs, struct axienet_pcs, pcs);
| ^~~~~~~~~~~~
>> include/linux/compiler_types.h:140:35: error: invalid use of undefined type 'struct axienet_pcs'
140 | #define __compiler_offsetof(a, b) __builtin_offsetof(a, b)
| ^~~~~~~~~~~~~~~~~~
include/linux/stddef.h:17:32: note: in expansion of macro '__compiler_offsetof'
17 | #define offsetof(TYPE, MEMBER) __compiler_offsetof(TYPE, MEMBER)
| ^~~~~~~~~~~~~~~~~~~
include/linux/kernel.h:498:21: note: in expansion of macro 'offsetof'
498 | ((type *)(__mptr - offsetof(type, member))); })
| ^~~~~~~~
drivers/net/ethernet/xilinx/xilinx_axienet_main.c:1508:9: note: in expansion of macro 'container_of'
1508 | return container_of(pcs, struct axienet_pcs, pcs);
| ^~~~~~~~~~~~
drivers/net/ethernet/xilinx/xilinx_axienet_main.c: In function 'axienet_pcs_get_state':
>> drivers/net/ethernet/xilinx/xilinx_axienet_main.c:1514:32: error: implicit declaration of function 'pcs_to_axienet_local'; did you mean 'pcs_to_axienet'? [-Werror=implicit-function-declaration]
1514 | struct mdio_device *pcs_phy = pcs_to_axienet_local(pcs)->pcs_phy;
| ^~~~~~~~~~~~~~~~~~~~
| pcs_to_axienet
>> drivers/net/ethernet/xilinx/xilinx_axienet_main.c:1514:57: error: invalid type argument of '->' (have 'int')
1514 | struct mdio_device *pcs_phy = pcs_to_axienet_local(pcs)->pcs_phy;
| ^~
drivers/net/ethernet/xilinx/xilinx_axienet_main.c: In function 'axienet_pcs_an_restart':
drivers/net/ethernet/xilinx/xilinx_axienet_main.c:1521:57: error: invalid type argument of '->' (have 'int')
1521 | struct mdio_device *pcs_phy = pcs_to_axienet_local(pcs)->pcs_phy;
| ^~
>> drivers/net/ethernet/xilinx/xilinx_axienet_main.c:1523:33: error: 'lp' undeclared (first use in this function); did you mean 'up'?
1523 | phylink_mii_c22_pcs_an_restart(lp->pcs_phy);
| ^~
| up
drivers/net/ethernet/xilinx/xilinx_axienet_main.c:1523:33: note: each undeclared identifier is reported only once for each function it appears in
drivers/net/ethernet/xilinx/xilinx_axienet_main.c:1521:22: warning: unused variable 'pcs_phy' [-Wunused-variable]
1521 | struct mdio_device *pcs_phy = pcs_to_axienet_local(pcs)->pcs_phy;
| ^~~~~~~
drivers/net/ethernet/xilinx/xilinx_axienet_main.c: In function 'axienet_pcs_config':
drivers/net/ethernet/xilinx/xilinx_axienet_main.c:1531:53: error: invalid type argument of '->' (have 'int')
1531 | struct net_device *ndev = pcs_to_axienet_local(pcs)->ndev;
| ^~
drivers/net/ethernet/xilinx/xilinx_axienet_main.c:1532:57: error: invalid type argument of '->' (have 'int')
1532 | struct mdio_device *pcs_phy = pcs_to_axienet_local(pcs)->pcs_phy;
| ^~
>> drivers/net/ethernet/xilinx/xilinx_axienet_main.c:1537:8: error: 'iface' undeclared (first use in this function)
1537 | iface == PHY_INTERFACE_MODE_SGMII ?
| ^~~~~
drivers/net/ethernet/xilinx/xilinx_axienet_main.c: At top level:
>> drivers/net/ethernet/xilinx/xilinx_axienet_main.c:1554:16: error: initialization of 'int (*)(struct phylink_pcs *, unsigned int, phy_interface_t, const long unsigned int *, bool)' {aka 'int (*)(struct phylink_pcs *, unsigned int, enum <anonymous>, const long unsigned int *, _Bool)'} from incompatible pointer type 'int (*)(struct phylink_config *, unsigned int, phy_interface_t, const long unsigned int *, bool)' {aka 'int (*)(struct phylink_config *, unsigned int, enum <anonymous>, const long unsigned int *, _Bool)'} [-Werror=incompatible-pointer-types]
1554 | .pcs_config = axienet_pcs_config,
| ^~~~~~~~~~~~~~~~~~
drivers/net/ethernet/xilinx/xilinx_axienet_main.c:1554:16: note: (near initialization for 'axienet_pcs_ops.pcs_config')
drivers/net/ethernet/xilinx/xilinx_axienet_main.c:1506:30: warning: 'pcs_to_axienet' defined but not used [-Wunused-function]
1506 | static struct axienet_local *pcs_to_axienet(struct phylink_pcs *pcs)
| ^~~~~~~~~~~~~~
cc1: some warnings being treated as errors
vim +495 include/linux/kernel.h
cf14f27f82af78 Alexei Starovoitov 2018-03-28 485
^1da177e4c3f41 Linus Torvalds 2005-04-16 486 /**
^1da177e4c3f41 Linus Torvalds 2005-04-16 487 * container_of - cast a member of a structure out to the containing structure
^1da177e4c3f41 Linus Torvalds 2005-04-16 488 * @ptr: the pointer to the member.
^1da177e4c3f41 Linus Torvalds 2005-04-16 489 * @type: the type of the container struct this is embedded in.
^1da177e4c3f41 Linus Torvalds 2005-04-16 490 * @member: the name of the member within the struct.
^1da177e4c3f41 Linus Torvalds 2005-04-16 491 *
^1da177e4c3f41 Linus Torvalds 2005-04-16 492 */
^1da177e4c3f41 Linus Torvalds 2005-04-16 493 #define container_of(ptr, type, member) ({ \
c7acec713d14c6 Ian Abbott 2017-07-12 494 void *__mptr = (void *)(ptr); \
c7acec713d14c6 Ian Abbott 2017-07-12 @495 BUILD_BUG_ON_MSG(!__same_type(*(ptr), ((type *)0)->member) && \
c7acec713d14c6 Ian Abbott 2017-07-12 496 !__same_type(*(ptr), void), \
c7acec713d14c6 Ian Abbott 2017-07-12 497 "pointer type mismatch in container_of()"); \
c7acec713d14c6 Ian Abbott 2017-07-12 498 ((type *)(__mptr - offsetof(type, member))); })
^1da177e4c3f41 Linus Torvalds 2005-04-16 499
:::::: The code at line 495 was first introduced by commit
:::::: c7acec713d14c6ce8a20154f9dfda258d6bcad3b kernel.h: handle pointers to arrays better in container_of()
:::::: TO: Ian Abbott <abbotti at mev.co.uk>
:::::: CC: Linus Torvalds <torvalds at linux-foundation.org>
---
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