Re: [PATCH v5 2/7] scsi: libsas: Define NCQ Priority sysfs attributes for SATA devices

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On 05/03/2024 00:50, Igor Pylypiv wrote:
static inline void sas_ata_disabled_notice(void)
@@ -123,6 +125,10 @@ static inline int sas_ata_add_dev(struct domain_device *parent, struct ex_phy *p
  	sas_ata_disabled_notice();
  	return -ENODEV;
  }
+
+static const struct attribute_group sas_ata_sdev_attr_group = {
+	.attrs = NULL,
+};

I just noticed a build issue.

With CONFIG_SCSI_SAS_ATA not set, I get this for W=1 build:

In file included from drivers/scsi/hisi_sas/hisi_sas.h:29,
                from drivers/scsi/hisi_sas/hisi_sas_v1_hw.c:7:
./include/scsi/sas_ata.h:129:37: error: ‘sas_ata_sdev_attr_group’
defined but not used [-Werror=unused-const-variable=]
 129 | static const struct attribute_group sas_ata_sdev_attr_group = {

I suppose that marking sas_ata_sdev_attr_group as __maybe_unused is ok, but less than ideal. The linker should strip it out of files when unused.

I think that this is also ok:

#define sas_ata_sdev_attr_group (struct attribute_group) {}

The compiler here will create a empty structure and have &sas_ata_sdev_attr_group point at it.

Thanks,
John




[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[Index of Archives]     [SCSI Target Devel]     [Linux SCSI Target Infrastructure]     [Kernel Newbies]     [IDE]     [Security]     [Git]     [Netfilter]     [Bugtraq]     [Yosemite News]     [MIPS Linux]     [ARM Linux]     [Linux Security]     [Linux RAID]     [Linux ATA RAID]     [Linux IIO]     [Samba]     [Device Mapper]

  Powered by Linux