linux-kernel - include/linux/libata.h:1366:2: note: in expansion of macro '__ATA_BASE

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Message-ID: <202005210231.Bk3YLMns%lkp@intel.com>
Date:   Thu, 21 May 2020 02:31:35 +0800
From:   kbuild test robot <lkp@...el.com>
To:     Bartlomiej Zolnierkiewicz <b.zolnierkie@...sung.com>
Cc:     kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org,
        Jens Axboe <axboe@...nel.dk>, Christoph Hellwig <hch@....de>
Subject: include/linux/libata.h:1366:2: note: in expansion of macro
 '__ATA_BASE_SHT'

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   115a54162a6c0d0ef2aef25ebd0b61fc5e179ebe
commit: 6f09eae3b5d974ef845e56690d6bc2b8f2a70acd ata: expose ncq_enable_prio sysfs attribute only on NCQ capable hosts
date:   8 weeks ago
config: i386-randconfig-a005-20200520 (attached as .config)
compiler: gcc-4.9 (Ubuntu 4.9.3-13ubuntu2) 4.9.3
reproduce:
        git checkout 6f09eae3b5d974ef845e56690d6bc2b8f2a70acd
        # save the attached .config to linux build tree
        make ARCH=i386 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kbuild test robot <lkp@...el.com>

All warnings (new ones prefixed by >>, old ones prefixed by <<):

In file included from include/linux/linkage.h:7:0,
from include/linux/kernel.h:8,
from drivers/ata/ahci_platform.c:11:
include/linux/export.h:19:30: warning: initialized field overwritten [-Woverride-init]
#define THIS_MODULE ((struct module *)0)
^
include/linux/libata.h:1346:14: note: in expansion of macro 'THIS_MODULE'
.module   = THIS_MODULE,                    ^
>> include/linux/libata.h:1366:2: note: in expansion of macro '__ATA_BASE_SHT'
__ATA_BASE_SHT(drv_name),         ^
drivers/ata/ahci.h:383:2: note: in expansion of macro 'ATA_NCQ_SHT'
ATA_NCQ_SHT(drv_name),           ^
drivers/ata/ahci_platform.c:40:2: note: in expansion of macro 'AHCI_SHT'
AHCI_SHT(DRV_NAME),
^
include/linux/export.h:19:30: warning: (near initialization for 'ahci_platform_sht.can_queue') [-Woverride-init]
#define THIS_MODULE ((struct module *)0)
^
include/linux/libata.h:1346:14: note: in expansion of macro 'THIS_MODULE'
.module   = THIS_MODULE,                    ^
>> include/linux/libata.h:1366:2: note: in expansion of macro '__ATA_BASE_SHT'
__ATA_BASE_SHT(drv_name),         ^
drivers/ata/ahci.h:383:2: note: in expansion of macro 'ATA_NCQ_SHT'
ATA_NCQ_SHT(drv_name),           ^
drivers/ata/ahci_platform.c:40:2: note: in expansion of macro 'AHCI_SHT'
AHCI_SHT(DRV_NAME),
^
include/linux/export.h:19:30: warning: initialized field overwritten [-Woverride-init]
#define THIS_MODULE ((struct module *)0)
^
include/linux/libata.h:1346:14: note: in expansion of macro 'THIS_MODULE'
.module   = THIS_MODULE,                    ^
>> include/linux/libata.h:1366:2: note: in expansion of macro '__ATA_BASE_SHT'
__ATA_BASE_SHT(drv_name),         ^
drivers/ata/ahci.h:383:2: note: in expansion of macro 'ATA_NCQ_SHT'
ATA_NCQ_SHT(drv_name),           ^
drivers/ata/ahci_platform.c:40:2: note: in expansion of macro 'AHCI_SHT'
AHCI_SHT(DRV_NAME),
^
include/linux/export.h:19:30: warning: (near initialization for 'ahci_platform_sht.sdev_attrs') [-Woverride-init]
#define THIS_MODULE ((struct module *)0)
^
include/linux/libata.h:1346:14: note: in expansion of macro 'THIS_MODULE'
.module   = THIS_MODULE,                    ^
>> include/linux/libata.h:1366:2: note: in expansion of macro '__ATA_BASE_SHT'
__ATA_BASE_SHT(drv_name),         ^
drivers/ata/ahci.h:383:2: note: in expansion of macro 'ATA_NCQ_SHT'
ATA_NCQ_SHT(drv_name),           ^
drivers/ata/ahci_platform.c:40:2: note: in expansion of macro 'AHCI_SHT'
AHCI_SHT(DRV_NAME),
^

vim +/__ATA_BASE_SHT +1366 include/linux/libata.h

  1338	
  1339	/*
  1340	 * All sht initializers (BASE, PIO, BMDMA, NCQ) must be instantiated
  1341	 * by the edge drivers.  Because the 'module' field of sht must be the
  1342	 * edge driver's module reference, otherwise the driver can be unloaded
  1343	 * even if the scsi_device is being accessed.
  1344	 */
  1345	#define __ATA_BASE_SHT(drv_name)				\
  1346		.module			= THIS_MODULE,			\
  1347		.name			= drv_name,			\
  1348		.ioctl			= ata_scsi_ioctl,		\
  1349		ATA_SCSI_COMPAT_IOCTL					\
  1350		.queuecommand		= ata_scsi_queuecmd,		\
  1351		.can_queue		= ATA_DEF_QUEUE,		\
  1352		.tag_alloc_policy	= BLK_TAG_ALLOC_RR,		\
  1353		.this_id		= ATA_SHT_THIS_ID,		\
  1354		.emulated		= ATA_SHT_EMULATED,		\
  1355		.proc_name		= drv_name,			\
  1356		.slave_configure	= ata_scsi_slave_config,	\
  1357		.slave_destroy		= ata_scsi_slave_destroy,	\
  1358		.bios_param		= ata_std_bios_param,		\
  1359		.unlock_native_capacity	= ata_scsi_unlock_native_capacity
  1360	
  1361	#define ATA_BASE_SHT(drv_name)					\
  1362		__ATA_BASE_SHT(drv_name),				\
  1363		.sdev_attrs		= ata_common_sdev_attrs
  1364	
  1365	#define ATA_NCQ_SHT(drv_name)					\
> 1366		__ATA_BASE_SHT(drv_name),				\
  1367		.sdev_attrs		= ata_ncq_sdev_attrs,		\
  1368		.change_queue_depth	= ata_scsi_change_queue_depth
  1369	

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