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-rw-r--r--drivers/target/target_core_fabric_configfs.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/target/target_core_fabric_configfs.c b/drivers/target/target_core_fabric_configfs.c
index b932653358dd..04c775cb3e65 100644
--- a/drivers/target/target_core_fabric_configfs.c
+++ b/drivers/target/target_core_fabric_configfs.c
@@ -354,6 +354,14 @@ static struct config_group *target_fabric_make_mappedlun(
ret = -EINVAL;
goto out;
}
+ if (mapped_lun > (TRANSPORT_MAX_LUNS_PER_TPG-1)) {
+ pr_err("Mapped LUN: %lu exceeds TRANSPORT_MAX_LUNS_PER_TPG"
+ "-1: %u for Target Portal Group: %u\n", mapped_lun,
+ TRANSPORT_MAX_LUNS_PER_TPG-1,
+ se_tpg->se_tpg_tfo->tpg_get_tag(se_tpg));
+ ret = -EINVAL;
+ goto out;
+ }
lacl = core_dev_init_initiator_node_lun_acl(se_tpg, se_nacl,
mapped_lun, &ret);