linux-kernel - [GIT PULL] SCSI fixes for 6.5-rc3

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Message-ID: <d75dc295e6ddaebc988f5af3ad6d12fa96948f5e.camel@HansenPartnership.com>
Date:   Mon, 24 Jul 2023 15:16:47 -0400
From:   James Bottomley <James.Bottomley@...senPartnership.com>
To:     Andrew Morton <akpm@...ux-foundation.org>,
        Linus Torvalds <torvalds@...ux-foundation.org>
Cc:     linux-scsi <linux-scsi@...r.kernel.org>,
        linux-kernel <linux-kernel@...r.kernel.org>
Subject: [GIT PULL] SCSI fixes for 6.5-rc3

Single fix for a potential regression over a misunderstanding of the
blk_get_queue() api.

The patch is available here:

git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi.git scsi-fixes

The short changelog is:

Yu Kuai (1):
      scsi: sg: Fix checking return value of blk_get_queue()

And the diffstat:

 drivers/scsi/sg.c | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

With full diff below.

James

---

diff --git a/drivers/scsi/sg.c b/drivers/scsi/sg.c
index 89fa046c7158..0d8afffd1683 100644
--- a/drivers/scsi/sg.c
+++ b/drivers/scsi/sg.c
@@ -1497,9 +1497,10 @@ sg_add_device(struct device *cl_dev)
 	int error;
 	unsigned long iflags;
 
-	error = blk_get_queue(scsidp->request_queue);
-	if (error)
-		return error;
+	if (!blk_get_queue(scsidp->request_queue)) {
+		pr_warn("%s: get scsi_device queue failed\n",
__func__);
+		return -ENODEV;
+	}
 
 	error = -ENOMEM;
 	cdev = cdev_alloc();