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From: Dan Carpenter <dan.carpenter@oracle.com>
To: David Woodhouse <dwmw2@infradead.org>,
	Frans Klaver <fransklaver@gmail.com>
Cc: Brian Norris <computersforpeace@gmail.com>,
	linux-mtd@lists.infradead.org, kernel-janitors@vger.kernel.org
Subject: [patch] mtd: maps: sa1100-flash: potential NULL dereference
Date: Fri, 15 Jul 2016 11:06:30 +0000	[thread overview]
Message-ID: <20160715110629.GB9258@mwanda> (raw)

We check for NULL but then dereference "info->mtd" on the next line.

Fixes: 72169755cf36 ('mtd: maps: sa1100-flash: show parent device in sysfs')
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>

diff --git a/drivers/mtd/maps/sa1100-flash.c b/drivers/mtd/maps/sa1100-flash.c
index 142fc3d..784c6e1 100644
--- a/drivers/mtd/maps/sa1100-flash.c
+++ b/drivers/mtd/maps/sa1100-flash.c
@@ -230,8 +230,10 @@ static struct sa_info *sa1100_setup_mtd(struct platform_device *pdev,
 
 		info->mtd = mtd_concat_create(cdev, info->num_subdev,
 					      plat->name);
-		if (info->mtd = NULL)
+		if (info->mtd = NULL) {
 			ret = -ENXIO;
+			goto err;
+		}
 	}
 	info->mtd->dev.parent = &pdev->dev;
 

WARNING: multiple messages have this Message-ID (diff)
From: Dan Carpenter <dan.carpenter@oracle.com>
To: David Woodhouse <dwmw2@infradead.org>,
	Frans Klaver <fransklaver@gmail.com>
Cc: Brian Norris <computersforpeace@gmail.com>,
	linux-mtd@lists.infradead.org, kernel-janitors@vger.kernel.org
Subject: [patch] mtd: maps: sa1100-flash: potential NULL dereference
Date: Fri, 15 Jul 2016 14:06:30 +0300	[thread overview]
Message-ID: <20160715110629.GB9258@mwanda> (raw)

We check for NULL but then dereference "info->mtd" on the next line.

Fixes: 72169755cf36 ('mtd: maps: sa1100-flash: show parent device in sysfs')
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>

diff --git a/drivers/mtd/maps/sa1100-flash.c b/drivers/mtd/maps/sa1100-flash.c
index 142fc3d..784c6e1 100644
--- a/drivers/mtd/maps/sa1100-flash.c
+++ b/drivers/mtd/maps/sa1100-flash.c
@@ -230,8 +230,10 @@ static struct sa_info *sa1100_setup_mtd(struct platform_device *pdev,
 
 		info->mtd = mtd_concat_create(cdev, info->num_subdev,
 					      plat->name);
-		if (info->mtd == NULL)
+		if (info->mtd == NULL) {
 			ret = -ENXIO;
+			goto err;
+		}
 	}
 	info->mtd->dev.parent = &pdev->dev;
 

             reply	other threads:[~2016-07-15 11:06 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-07-15 11:06 Dan Carpenter [this message]
2016-07-15 11:06 ` [patch] mtd: maps: sa1100-flash: potential NULL dereference Dan Carpenter
2016-07-16  0:32 ` Brian Norris
2016-07-16  0:32   ` Brian Norris
2016-07-16  0:48   ` Greg Kroah-Hartman
2016-07-16  0:48     ` Greg Kroah-Hartman
2016-07-16  1:46     ` Brian Norris
2016-07-16  1:46       ` Brian Norris
2016-07-16  9:00   ` Dan Carpenter
2016-07-16  9:00     ` Dan Carpenter
2016-07-17  3:54     ` Brian Norris
2016-07-17  3:54       ` Brian Norris

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