From 24528f089d0a444070aa4f715ace537e8d6bf168 Mon Sep 17 00:00:00 2001
From: tangwenji <tang.wenji@zte.com.cn>
Date: Thu, 24 Aug 2017 19:59:37 +0800
Subject: [PATCH] target:fix condition return in core_pr_dump_initiator_port()

When is pr_reg->isid_present_at_reg is false,this function should return.

This fixes a regression originally introduced by:

  commit d2843c173ee53cf4c12e7dfedc069a5bc76f0ac5
  Author: Andy Grover <agrover@redhat.com>
  Date:   Thu May 16 10:40:55 2013 -0700

      target: Alter core_pr_dump_initiator_port for ease of use

Signed-off-by: tangwenji <tang.wenji@zte.com.cn>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
---
 drivers/target/target_core_pr.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/target/target_core_pr.c b/drivers/target/target_core_pr.c
index 871ae21870be..a54490709811 100644
--- a/drivers/target/target_core_pr.c
+++ b/drivers/target/target_core_pr.c
@@ -58,8 +58,10 @@ void core_pr_dump_initiator_port(
 	char *buf,
 	u32 size)
 {
-	if (!pr_reg->isid_present_at_reg)
+	if (!pr_reg->isid_present_at_reg) {
 		buf[0] = '\0';
+		return;
+	}
 
 	snprintf(buf, size, ",i,0x%s", pr_reg->pr_reg_isid);
 }