| From | Greg Kroah-Hartman <> | Subject | [PATCH 5.13 350/351] scsi: scsi_dh_alua: Fix signedness bug in alua_rtpg() | Date | Mon, 19 Jul 2021 16:54:56 +0200 |
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From: Dan Carpenter <dan.carpenter@oracle.com>
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(-)
--- 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 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;
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