On Fri, 2013-12-13 at 15:59 -0800, Andy Grover wrote:
> Not needed.
>
Big NAK on this one. It most certainly is still required in order to
prevent any random pointer from being passed into a configfs symlink
sink for Port/LUN and MappedLUN creation.
--nab
> Signed-off-by: Andy Grover <agrover@xxxxxxxxxx>
> ---
> drivers/target/target_core_device.c | 1 -
> drivers/target/target_core_fabric_configfs.c | 11 -----------
> drivers/target/target_core_tpg.c | 2 --
> include/target/target_core_base.h | 4 ----
> 4 files changed, 0 insertions(+), 18 deletions(-)
>
> diff --git a/drivers/target/target_core_device.c b/drivers/target/target_core_device.c
> index f2e1415..e85a647 100644
> --- a/drivers/target/target_core_device.c
> +++ b/drivers/target/target_core_device.c
> @@ -1350,7 +1350,6 @@ struct se_device *target_alloc_device(struct se_hba *hba, const char *name)
> if (!dev)
> return NULL;
>
> - dev->dev_link_magic = SE_DEV_LINK_MAGIC;
> dev->se_hba = hba;
> dev->transport = hba->transport;
>
> diff --git a/drivers/target/target_core_fabric_configfs.c b/drivers/target/target_core_fabric_configfs.c
> index 1a31b46..4715836 100644
> --- a/drivers/target/target_core_fabric_configfs.c
> +++ b/drivers/target/target_core_fabric_configfs.c
> @@ -71,11 +71,6 @@ static int target_fabric_mappedlun_link(
> struct config_item *nacl_ci, *tpg_ci, *tpg_ci_s, *wwn_ci, *wwn_ci_s;
> int ret = 0, lun_access;
>
> - 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);
> - return -EFAULT;
> - }
> /*
> * Ensure that the source port exists
> */
> @@ -762,12 +757,6 @@ static int target_fabric_port_link(
> 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);
> - return -EFAULT;
> - }
> -
> if (!(dev->dev_flags & DF_CONFIGURED)) {
> pr_err("se_device not configured yet, cannot port link\n");
> return -ENODEV;
> diff --git a/drivers/target/target_core_tpg.c b/drivers/target/target_core_tpg.c
> index 0467ad8..977b05c 100644
> --- a/drivers/target/target_core_tpg.c
> +++ b/drivers/target/target_core_tpg.c
> @@ -617,7 +617,6 @@ static int core_tpg_setup_virtual_lun0(struct se_portal_group *se_tpg)
> int ret;
>
> lun->unpacked_lun = 0;
> - lun->lun_link_magic = SE_LUN_LINK_MAGIC;
> atomic_set(&lun->lun_acl_count, 0);
> init_completion(&lun->lun_shutdown_comp);
> INIT_LIST_HEAD(&lun->lun_acl_list);
> @@ -749,7 +748,6 @@ 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_shutdown_comp);
> INIT_LIST_HEAD(&lun->lun_acl_list);
> diff --git a/include/target/target_core_base.h b/include/target/target_core_base.h
> index 06f9bea..2c0a595 100644
> --- a/include/target/target_core_base.h
> +++ b/include/target/target_core_base.h
> @@ -629,8 +629,6 @@ struct se_port_stat_grps {
>
> struct se_lun {
> struct rb_node rb_node;
> -#define SE_LUN_LINK_MAGIC 0xffff7771
> - u32 lun_link_magic;
> u32 lun_access;
> u32 lun_flags;
> u32 unpacked_lun;
> @@ -655,8 +653,6 @@ struct se_dev_stat_grps {
> };
>
> struct se_device {
> -#define SE_DEV_LINK_MAGIC 0xfeeddeef
> - u32 dev_link_magic;
> /* RELATIVE TARGET PORT IDENTIFER Counter */
> u16 dev_rpti_counter;
> /* Used for SAM Task Attribute ordering */
--
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