1 files changed, 8 insertions, 5 deletions

diff --git a/drivers/target/loopback/tcm_loop.c b/drivers/target/loopback/tcm_loop.c
index ee95903..9062b9c 100644
--- a/drivers/target/loopback/tcm_loop.c
+++ b/drivers/target/loopback/tcm_loop.c
@@ -385,7 +385,7 @@ static int tcm_loop_device_reset(struct scsi_cmnd *sc)
 	 */
 	se_cmd->se_tmr_req = core_tmr_alloc_req(se_cmd, (void *)tl_tmr,
 				TMR_LUN_RESET);
-	if (!se_cmd->se_tmr_req)
+	if (IS_ERR(se_cmd->se_tmr_req))
 		goto release;
 	/*
 	 * Locate the underlying TCM struct se_lun from sc->device->lun
@@ -1016,6 +1016,7 @@ static int tcm_loop_make_nexus(
 	struct se_portal_group *se_tpg;
 	struct tcm_loop_hba *tl_hba = tl_tpg->tl_hba;
 	struct tcm_loop_nexus *tl_nexus;
+	int ret = -ENOMEM;
 
 	if (tl_tpg->tl_hba->tl_nexus) {
 		printk(KERN_INFO "tl_tpg->tl_hba->tl_nexus already exists\n");
@@ -1032,8 +1033,10 @@ static int tcm_loop_make_nexus(
 	 * Initialize the struct se_session pointer
 	 */
 	tl_nexus->se_sess = transport_init_session();
-	if (!tl_nexus->se_sess)
+	if (IS_ERR(tl_nexus->se_sess)) {
+		ret = PTR_ERR(tl_nexus->se_sess);
 		goto out;
+	}
 	/*
 	 * Since we are running in 'demo mode' this call with generate a
 	 * struct se_node_acl for the tcm_loop struct se_portal_group with the SCSI
@@ -1059,7 +1062,7 @@ static int tcm_loop_make_nexus(
 
 out:
 	kfree(tl_nexus);
-	return -ENOMEM;
+	return ret;
 }
 
 static int tcm_loop_drop_nexus(
@@ -1139,7 +1142,7 @@ static ssize_t tcm_loop_tpg_store_nexus(
 	 * the fabric protocol_id set in tcm_loop_make_scsi_hba(), and call
 	 * tcm_loop_make_nexus()
 	 */
-	if (strlen(page) > TL_WWN_ADDR_LEN) {
+	if (strlen(page) >= TL_WWN_ADDR_LEN) {
 		printk(KERN_ERR "Emulated NAA Sas Address: %s, exceeds"
 				" max: %d\n", page, TL_WWN_ADDR_LEN);
 		return -EINVAL;
@@ -1320,7 +1323,7 @@ struct se_wwn *tcm_loop_make_scsi_hba(
 	return ERR_PTR(-EINVAL);
 
 check_len:
-	if (strlen(name) > TL_WWN_ADDR_LEN) {
+	if (strlen(name) >= TL_WWN_ADDR_LEN) {
 		printk(KERN_ERR "Emulated NAA %s Address: %s, exceeds"
 			" max: %d\n", name, tcm_loop_dump_proto_id(tl_hba),
 			TL_WWN_ADDR_LEN);