[PATCH 4.4 082/115] target:fix condition return in core_pr_dump_initiator_port()

Greg Kroah-Hartman
2017-12-18T17:59:13Z

From: tangwenji <tang.wenji@zte.com.cn>

[ Upstream commit 24528f089d0a444070aa4f715ace537e8d6bf168 ]

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>
Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/target/target_core_pr.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)

--- a/drivers/target/target_core_pr.c
+++ b/drivers/target/target_core_pr.c
@@ -56,8 +56,10 @@ 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);
}