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scsi: scsi_dh_alua: Fix signedness bug in alua_rtpg()

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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>
This commit is contained in:
Dan Carpenter 2021-06-03 15:33:20 +03:00 committed by Greg Kroah-Hartman
parent e09c9b5584
commit b33aa0dbd7
1 changed files with 2 additions and 1 deletions
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3
drivers/scsi/device_handler/scsi_dh_alua.c
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@ -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;