From: Douglas Gilbert <dgilbert@interlog.com>
To: linux-scsi@vger.kernel.org
Cc: martin.petersen@oracle.com, jejb@linux.vnet.ibm.com,
hare@suse.de, dan.carpenter@oracle.com, colin.king@canonical.com
Subject: [PATCH v2 1/6] sg: sg_rq_map_kern: fix uninitialized
Date: Wed, 17 Mar 2021 11:27:53 -0400 [thread overview]
Message-ID: <20210317152758.51689-2-dgilbert@interlog.com> (raw)
In-Reply-To: <20210317152758.51689-1-dgilbert@interlog.com>
Variable k should not be used in call to sg_mk_kern_bio().
Reported-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Douglas Gilbert <dgilbert@interlog.com>
---
drivers/scsi/sg.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/scsi/sg.c b/drivers/scsi/sg.c
index 2d4bbc1a1727..7d4a0fd9ee32 100644
--- a/drivers/scsi/sg.c
+++ b/drivers/scsi/sg.c
@@ -2987,7 +2987,7 @@ sg_rq_map_kern(struct sg_request *srp, struct request_queue *q, struct request *
return 0;
if (rw_ind == WRITE)
op_flags = REQ_SYNC | REQ_IDLE;
- bio = sg_mk_kern_bio(num_sgat - k);
+ bio = sg_mk_kern_bio(num_sgat);
if (!bio)
return -ENOMEM;
bio->bi_opf = req_op(rqq) | op_flags;
--
2.25.1
next prev parent reply other threads:[~2021-03-17 15:56 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-03-17 15:27 [PATCH v2 0/6] sg: fixes for 5.13/scsi-staging Douglas Gilbert
2021-03-17 15:27 ` Douglas Gilbert [this message]
2021-03-17 15:27 ` [PATCH v2 2/6] sg: sg_remove_sfp_usercontext: remove NULL check Douglas Gilbert
2021-03-17 15:27 ` [PATCH v2 3/6] sg: sg_rq_end_io: set SG_FRQ_ISSUED Douglas Gilbert
2021-03-17 15:27 ` [PATCH v2 4/6] sg: fix double free of long scsi commands Douglas Gilbert
2021-03-17 15:27 ` [PATCH v2 5/6] sg: tighten handling of struct request objects Douglas Gilbert
2021-03-17 15:27 ` [PATCH v2 6/6] sg: remove debugging remnants Douglas Gilbert
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