From: Jack Wang <jinpu.wang@ionos.com>
To: jejb@linux.ibm.com
Cc: "Martin K. Petersen" <martin.petersen@oracle.com>,
linux-scsi@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: [PATCH] scsi/qlogicpti: Fix dma_map_sg check
Date: Fri, 26 Aug 2022 12:14:35 +0200 [thread overview]
Message-ID: <20220826101435.79170-1-jinpu.wang@ionos.com> (raw)
Add the missing error check for dma_map_sg.
Cc: "James E.J. Bottomley" <jejb@linux.ibm.com>
Cc: "Martin K. Petersen" <martin.petersen@oracle.com>
Cc: linux-scsi@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Jack Wang <jinpu.wang@ionos.com>
---
drivers/scsi/qlogicpti.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/scsi/qlogicpti.c b/drivers/scsi/qlogicpti.c
index 57f2f4135a06..8c961ff03fcd 100644
--- a/drivers/scsi/qlogicpti.c
+++ b/drivers/scsi/qlogicpti.c
@@ -909,7 +909,8 @@ static inline int load_cmd(struct scsi_cmnd *Cmnd, struct Command_Entry *cmd,
sg_count = dma_map_sg(&qpti->op->dev, sg,
scsi_sg_count(Cmnd),
Cmnd->sc_data_direction);
-
+ if (!sg_count)
+ return -1;
ds = cmd->dataseg;
cmd->segment_cnt = sg_count;
--
2.34.1
next reply other threads:[~2022-08-26 10:14 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-08-26 10:14 Jack Wang [this message]
2022-09-07 2:15 ` [PATCH] scsi/qlogicpti: Fix dma_map_sg check Martin K. Petersen
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20220826101435.79170-1-jinpu.wang@ionos.com \
--to=jinpu.wang@ionos.com \
--cc=jejb@linux.ibm.com \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-scsi@vger.kernel.org \
--cc=martin.petersen@oracle.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).