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| author | Hannes Reinecke <hare@suse.de> | 2016-03-03 07:41:24 +0100 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2016-03-05 23:10:03 +0100 |
| commit | 7e47976bcff23cbe011635e8931855cd3fb3aa6f (patch) | |
| tree | 8f1afbfe015a629518199edc7d544cd2ee0e2918 /drivers/scsi/scsi_sysfs.c | |
| parent | scsi: mvumi: use __maybe_unused to hide pm functions (diff) | |
| download | linux-7e47976bcff23cbe011635e8931855cd3fb3aa6f.tar.xz linux-7e47976bcff23cbe011635e8931855cd3fb3aa6f.zip | |
scsi_sysfs: add 'is_bin_visible' callback
Add 'is_bin_visible' callback to blank out unsupported vpd pages.
Reviewed-by: Shane Seymour <shane.seymour@hpe.com>
Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Hannes Reinecke <hare@suse.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi/scsi_sysfs.c')
| -rw-r--r-- | drivers/scsi/scsi_sysfs.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/drivers/scsi/scsi_sysfs.c b/drivers/scsi/scsi_sysfs.c index 00bc7218a7f8..7e57800684e8 100644 --- a/drivers/scsi/scsi_sysfs.c +++ b/drivers/scsi/scsi_sysfs.c @@ -1023,6 +1023,22 @@ static umode_t scsi_sdev_attr_is_visible(struct kobject *kobj, return attr->mode; } +static umode_t scsi_sdev_bin_attr_is_visible(struct kobject *kobj, + struct bin_attribute *attr, int i) +{ + struct device *dev = container_of(kobj, struct device, kobj); + struct scsi_device *sdev = to_scsi_device(dev); + + + if (attr == &dev_attr_vpd_pg80 && !sdev->vpd_pg80) + return 0; + + if (attr == &dev_attr_vpd_pg83 && sdev->vpd_pg83) + return 0; + + return S_IRUGO; +} + /* Default template for device attributes. May NOT be modified */ static struct attribute *scsi_sdev_attrs[] = { &dev_attr_device_blocked.attr, @@ -1068,6 +1084,7 @@ static struct attribute_group scsi_sdev_attr_group = { .attrs = scsi_sdev_attrs, .bin_attrs = scsi_sdev_bin_attrs, .is_visible = scsi_sdev_attr_is_visible, + .is_bin_visible = scsi_sdev_bin_attr_is_visible, }; static const struct attribute_group *scsi_sdev_attr_groups[] = { |