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authorDan Carpenter <dan.carpenter@oracle.com>2021-06-03 15:33:20 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2021-07-20 17:05:59 +0300
commitb33aa0dbd72f3af59bd633ccefc4fbcac85faec3 (patch)
treec117b6f718f80d344883ca2a647a27853a62c25e /drivers/scsi
parente09c9b558436405407563472f41b0aff437b9c7d (diff)
downloadlinux-b33aa0dbd72f3af59bd633ccefc4fbcac85faec3.tar.xz
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>
Diffstat (limited to 'drivers/scsi')
-rw-r--r--drivers/scsi/device_handler/scsi_dh_alua.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/scsi/device_handler/scsi_dh_alua.c b/drivers/scsi/device_handler/scsi_dh_alua.c
index 4743317a269a..fe8a5e5c0df8 100644
--- a/drivers/scsi/device_handler/scsi_dh_alua.c
+++ b/drivers/scsi/device_handler/scsi_dh_alua.c
@@ -508,7 +508,8 @@ 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;