From c021be62bbcbf5435ec89713ed542040196f5b89 Mon Sep 17 00:00:00 2001
From: Dan Carpenter <dan.carpenter@oracle.com>
Date: Thu, 3 Jun 2021 15:33:20 +0300
Subject: [PATCH] scsi: scsi_dh_alua: Fix signedness bug in alua_rtpg()
commit 80927822e8b6be46f488524cd7d5fe683de97fc4 upstream.
The "retval" variable needs to be signed for the error handling to work.
Link: https://lore.kernel.org/r/YLjMEAFNxOas1mIp@mwanda
Fixes: 7e26e3ea0287 ("scsi: scsi_dh_alua: Check for negative result value")
Reviewed-by: Martin Wilck <mwilck@suse.com>
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/scsi/device_handler/scsi_dh_alua.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/scsi/device_handler/scsi_dh_alua.c b/drivers/scsi/device_handler/scsi_dh_alua.c
index 41e8c9e68878..4cf7c3348bff 100644
--- a/drivers/scsi/device_handler/scsi_dh_alua.c
+++ b/drivers/scsi/device_handler/scsi_dh_alua.c
@@ -522,7 +522,8 @@ static int alua_rtpg(struct scsi_device *sdev, struct alua_port_group *pg)
struct alua_port_group *tmp_pg;
int len, k, off, bufflen = ALUA_RTPG_SIZE;
unsigned char *desc, *buff;
- unsigned err, retval;
+ unsigned err;
+ int retval;
unsigned int tpg_desc_tbl_off;
unsigned char orig_transition_tmo;
unsigned long flags;