target: make queue_tm_rsp() return void

The return value wasn't checked by any of the callers.  Assuming this is
correct behaviour, we can simplify some code by not bothering to
generate it.

nab: Add srpt_queue_data_in() + srpt_queue_tm_rsp() nops around
     srpt_queue_response() void return

Signed-off-by: Joern Engel <joern@logfs.org>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
diff --git a/drivers/target/iscsi/iscsi_target_configfs.c b/drivers/target/iscsi/iscsi_target_configfs.c
index 684d73f..7d4e19f 100644
--- a/drivers/target/iscsi/iscsi_target_configfs.c
+++ b/drivers/target/iscsi/iscsi_target_configfs.c
@@ -1790,13 +1790,12 @@
 	return 0;
 }
 
-static int lio_queue_tm_rsp(struct se_cmd *se_cmd)
+static void lio_queue_tm_rsp(struct se_cmd *se_cmd)
 {
 	struct iscsi_cmd *cmd = container_of(se_cmd, struct iscsi_cmd, se_cmd);
 
 	cmd->i_state = ISTATE_SEND_TASKMGTRSP;
 	iscsit_add_cmd_to_response_queue(cmd, cmd->conn, cmd->i_state);
-	return 0;
 }
 
 static char *lio_tpg_get_endpoint_wwn(struct se_portal_group *se_tpg)