target: make the tpg_get_default_depth method optional

[karo-tx-linux.git] / drivers / target / target_core_tpg.c

diff --git a/drivers/target/target_core_tpg.c b/drivers/target/target_core_tpg.c
index 47f064415bf661fc2bb39b27762f870c4acabc56..5a9deb2b24af9047206daac48db1956405d5c319 100644 (file)
--- a/drivers/target/target_core_tpg.c
+++ b/drivers/target/target_core_tpg.c
@@ -282,7 +282,10 @@ struct se_node_acl *core_tpg_check_initiator_node_acl(
        spin_lock_init(&acl->device_list_lock);
        spin_lock_init(&acl->nacl_sess_lock);
        atomic_set(&acl->acl_pr_ref_count, 0);
-       acl->queue_depth = tpg->se_tpg_tfo->tpg_get_default_depth(tpg);
+       if (tpg->se_tpg_tfo->tpg_get_default_depth)
+               acl->queue_depth = tpg->se_tpg_tfo->tpg_get_default_depth(tpg);
+       else
+               acl->queue_depth = 1;
        snprintf(acl->initiatorname, TRANSPORT_IQN_LEN, "%s", initiatorname);
        acl->se_tpg = tpg;
        acl->acl_index = scsi_get_new_index(SCSI_AUTH_INTR_INDEX);