From: Dan Carpenter <dan.carpenter@oracle.com>
Date: Thu, 3 Jun 2021 15:33:20 +0300
Subject: scsi: scsi_dh_alua: Fix signedness bug in alua_rtpg()
Git-commit: 80927822e8b6be46f488524cd7d5fe683de97fc4
Patch-mainline: v5.14-rc1
References: git-fixes

The "retval" variable needs to be signed for the error handling to work.

[lduncan: refreshed to apply.]

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>
Acked-by: Lee Duncan <lduncan@suse.com>
---
 drivers/scsi/device_handler/scsi_dh_alua.c |    3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

--- a/drivers/scsi/device_handler/scsi_dh_alua.c
+++ b/drivers/scsi/device_handler/scsi_dh_alua.c
@@ -517,7 +517,8 @@ static int alua_rtpg(struct scsi_device
 	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;