diff options
| author | Nicholas Bellinger <nab@linux-iscsi.org> | 2017-06-01 03:11:18 -0700 |
|---|---|---|
| committer | Nicholas Bellinger <nab@linux-iscsi.org> | 2017-06-08 23:26:38 -0700 |
| commit | 9ae0e9ade56f23765366d2cfad24e65f28df977d (patch) | |
| tree | a0a5fb5708897a05969054e29b4179e1e9f16e3d | |
| parent | c17cd24959cdb12c855dc61e20c36fa25f21f3d3 (diff) | |
target/configfs: Kill se_lun->lun_link_magic
Instead of using a hardcoded magic value in se_lun when verifying
a target config_item symlink source during target_fabric_mappedlun_link(),
go ahead and use target_fabric_port_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>
| -rw-r--r-- | drivers/target/target_core_fabric_configfs.c | 13 | ||||
| -rw-r--r-- | drivers/target/target_core_tpg.c | 1 | ||||
| -rw-r--r-- | include/target/target_core_base.h | 2 |
3 files changed, 8 insertions, 8 deletions
diff --git a/drivers/target/target_core_fabric_configfs.c b/drivers/target/target_core_fabric_configfs.c index 2cbaecd1669d..e9e917cc6441 100644 --- a/drivers/target/target_core_fabric_configfs.c +++ b/drivers/target/target_core_fabric_configfs.c @@ -65,6 +65,8 @@ static void target_fabric_setup_##_name##_cit(struct target_fabric_configfs *tf) pr_debug("Setup generic %s\n", __stringify(_name)); \ } +static struct configfs_item_operations target_fabric_port_item_ops; + /* Start of tfc_tpg_mappedlun_cit */ static int target_fabric_mappedlun_link( @@ -72,19 +74,20 @@ static int target_fabric_mappedlun_link( struct config_item *lun_ci) { struct se_dev_entry *deve; - struct se_lun *lun = container_of(to_config_group(lun_ci), - struct se_lun, lun_group); + struct se_lun *lun; struct se_lun_acl *lacl = container_of(to_config_group(lun_acl_ci), struct se_lun_acl, se_lun_group); struct se_portal_group *se_tpg; struct config_item *nacl_ci, *tpg_ci, *tpg_ci_s, *wwn_ci, *wwn_ci_s; bool lun_access_ro; - if (lun->lun_link_magic != SE_LUN_LINK_MAGIC) { - pr_err("Bad lun->lun_link_magic, not a valid lun_ci pointer:" - " %p to struct lun: %p\n", lun_ci, lun); + if (!lun_ci->ci_type || + lun_ci->ci_type->ct_item_ops != &target_fabric_port_item_ops) { + pr_err("Bad lun_ci, not a valid lun_ci pointer: %p\n", lun_ci); return -EFAULT; } + lun = container_of(to_config_group(lun_ci), struct se_lun, lun_group); + /* * Ensure that the source port exists */ diff --git a/drivers/target/target_core_tpg.c b/drivers/target/target_core_tpg.c index 310d9e55c6eb..36913734c6bc 100644 --- a/drivers/target/target_core_tpg.c +++ b/drivers/target/target_core_tpg.c @@ -576,7 +576,6 @@ struct se_lun *core_tpg_alloc_lun( return ERR_PTR(-ENOMEM); } lun->unpacked_lun = unpacked_lun; - lun->lun_link_magic = SE_LUN_LINK_MAGIC; atomic_set(&lun->lun_acl_count, 0); init_completion(&lun->lun_ref_comp); init_completion(&lun->lun_shutdown_comp); diff --git a/include/target/target_core_base.h b/include/target/target_core_base.h index c3c14d053122..47d9f381209f 100644 --- a/include/target/target_core_base.h +++ b/include/target/target_core_base.h @@ -701,8 +701,6 @@ struct scsi_port_stats { struct se_lun { u64 unpacked_lun; -#define SE_LUN_LINK_MAGIC 0xffff7771 - u32 lun_link_magic; bool lun_shutdown; bool lun_access_ro; u32 lun_index; |