diff options
| author |   Nicholas Bellinger <nab@linux-iscsi.org> | 2017-06-01 03:10:53 -0700 |
|---|---|---|
| committer | Nicholas Bellinger <nab@linux-iscsi.org> | 2017-06-08 23:26:38 -0700 |
| commit | c17cd24959cdb12c855dc61e20c36fa25f21f3d3 (patch) | |
| tree | b89b07fde0aad062ca3b6610049c1898fa04e025 /drivers/target/target_core_fabric_configfs.c | |
| parent | target/iblock: Convert WRITE_SAME to blkdev_issue_zeroout (diff) | |
| download | linux-dev-c17cd24959cdb12c855dc61e20c36fa25f21f3d3.tar.xz linux-dev-c17cd24959cdb12c855dc61e20c36fa25f21f3d3.zip | |
target/configfs: Kill se_device->dev_link_magic
Instead of using a hardcoded magic value in se_device when verifying
a target config_item symlink source during target_fabric_port_link(),
go ahead and use target_core_dev_item_ops directly instead.
Reviewed-by: Christoph Hellwig <hch@lst.de>
Cc: Mike Christie <mchristi@redhat.com>
Cc: Hannes Reinecke <hare@suse.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
Diffstat (limited to 'drivers/target/target_core_fabric_configfs.c')
| -rw-r--r-- | drivers/target/target_core_fabric_configfs.c | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/drivers/target/target_core_fabric_configfs.c b/drivers/target/target_core_fabric_configfs.c index d1e6cab8e3d3..2cbaecd1669d 100644 --- a/drivers/target/target_core_fabric_configfs.c +++ b/drivers/target/target_core_fabric_configfs.c @@ -620,6 +620,8 @@ static struct configfs_attribute *target_fabric_port_attrs[] = { NULL, }; +extern struct configfs_item_operations target_core_dev_item_ops; + static int target_fabric_port_link( struct config_item *lun_ci, struct config_item *se_dev_ci) @@ -628,16 +630,16 @@ static int target_fabric_port_link( struct se_lun *lun = container_of(to_config_group(lun_ci), struct se_lun, lun_group); struct se_portal_group *se_tpg; - struct se_device *dev = - container_of(to_config_group(se_dev_ci), struct se_device, dev_group); + struct se_device *dev; struct target_fabric_configfs *tf; int ret; - if (dev->dev_link_magic != SE_DEV_LINK_MAGIC) { - pr_err("Bad dev->dev_link_magic, not a valid se_dev_ci pointer:" - " %p to struct se_device: %p\n", se_dev_ci, dev); + if (!se_dev_ci->ci_type || + se_dev_ci->ci_type->ct_item_ops != &target_core_dev_item_ops) { + pr_err("Bad se_dev_ci, not a valid se_dev_ci pointer: %p\n", se_dev_ci); return -EFAULT; } + dev = container_of(to_config_group(se_dev_ci), struct se_device, dev_group); if (!(dev->dev_flags & DF_CONFIGURED)) { pr_err("se_device not configured yet, cannot port link\n"); |