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| author | Nicholas Bellinger | 2013-02-19 03:00:33 +0100 |
|---|---|---|
| committer | Nicholas Bellinger | 2013-02-19 03:47:20 +0100 |
| commit | fcf29481fb8e106daad6688f2e898226ee928992 (patch) | |
| tree | dabde5fb8908c786e8f22019d552c62961f7d007 /drivers/target/target_core_tpg.c | |
| parent | target: Fix parameter list length checking in MODE SELECT (diff) | |
| download | kernel-qcow2-linux-fcf29481fb8e106daad6688f2e898226ee928992.tar.gz kernel-qcow2-linux-fcf29481fb8e106daad6688f2e898226ee928992.tar.xz kernel-qcow2-linux-fcf29481fb8e106daad6688f2e898226ee928992.zip | |
target: Fix lookup of dynamic NodeACLs during cached demo-mode operation
This patch fixes a bug in core_tpg_check_initiator_node_acl() ->
core_tpg_get_initiator_node_acl() where a dynamically created
se_node_acl generated during session login would be skipped during
subsequent lookup due to the '!acl->dynamic_node_acl' check, causing
a new se_node_acl to be created with a duplicate ->initiatorname.
This would occur when a fabric endpoint was configured with
TFO->tpg_check_demo_mode()=1 + TPF->tpg_check_demo_mode_cache()=1
preventing the release of an existing se_node_acl during se_session
shutdown.
Also, drop the unnecessary usage of core_tpg_get_initiator_node_acl()
within core_dev_init_initiator_node_lun_acl() that originally
required the extra '!acl->dynamic_node_acl' check, and just pass
the configfs provided se_node_acl pointer instead.
Cc: <stable@vger.kernel.org>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
Diffstat (limited to 'drivers/target/target_core_tpg.c')
| -rw-r--r-- | drivers/target/target_core_tpg.c | 10 |
1 files changed, 2 insertions, 8 deletions
diff --git a/drivers/target/target_core_tpg.c b/drivers/target/target_core_tpg.c index 5192ac0337f7..9169d6a5d7e4 100644 --- a/drivers/target/target_core_tpg.c +++ b/drivers/target/target_core_tpg.c @@ -111,16 +111,10 @@ struct se_node_acl *core_tpg_get_initiator_node_acl( struct se_node_acl *acl; spin_lock_irq(&tpg->acl_node_lock); - list_for_each_entry(acl, &tpg->acl_node_list, acl_list) { - if (!strcmp(acl->initiatorname, initiatorname) && - !acl->dynamic_node_acl) { - spin_unlock_irq(&tpg->acl_node_lock); - return acl; - } - } + acl = __core_tpg_get_initiator_node_acl(tpg, initiatorname); spin_unlock_irq(&tpg->acl_node_lock); - return NULL; + return acl; } /* core_tpg_add_node_to_devs(): |