From: Dan Carpenter <dan.carpenter@oracle.com>
To: "James E.J. Bottomley" <jejb@linux.ibm.com>,
Hannes Reinecke <hare@suse.de>
Cc: "Martin K. Petersen" <martin.petersen@oracle.com>,
"Ewan D. Milne" <emilne@redhat.com>,
Martin Wilck <mwilck@suse.com>,
Bart Van Assche <bvanassche@acm.org>,
John Pittman <jpittman@redhat.com>,
linux-scsi@vger.kernel.org, kernel-janitors@vger.kernel.org
Subject: [PATCH] scsi: scsi_dh_alua: signedness bug in alua_rtpg()
Date: Thu, 3 Jun 2021 15:33:20 +0300 [thread overview]
Message-ID: <YLjMEAFNxOas1mIp@mwanda> (raw)
The "retval" variable needs to be signed for the error handling to work.
Fixes: 7e26e3ea0287 ("scsi: scsi_dh_alua: Check for negative result value")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
---
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 7baee18ebd03..37d06f993b76 100644
--- a/drivers/scsi/device_handler/scsi_dh_alua.c
+++ b/drivers/scsi/device_handler/scsi_dh_alua.c
@@ -518,7 +518,8 @@ static int alua_rtpg(struct scsi_device *sdev, struct alua_port_group *pg)
int len, k, off, bufflen = ALUA_RTPG_SIZE;
int group_id_old, state_old, pref_old, valid_states_old;
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;
--
2.30.2
next reply other threads:[~2021-06-03 12:33 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-06-03 12:33 Dan Carpenter [this message]
2021-06-04 13:03 ` [PATCH] scsi: scsi_dh_alua: signedness bug in alua_rtpg() Martin Wilck
2021-06-08 1:48 ` Martin K. Petersen
2021-06-16 3:48 ` Martin K. Petersen
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