linux-kernel - [05/12] driver core fixes: sysfs_create

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Date:	Wed, 13 Sep 2006 18:38:46 +0200
From:	Cornelia Huck <cornelia.huck@...ibm.com>
To:	Greg K-H <greg@...ah.com>
Cc:	linux-kernel <linux-kernel@...r.kernel.org>
Subject: [05/12] driver core fixes: sysfs_create_link() retval check in
 class.c

From: Cornelia Huck <cornelia.huck@...ibm.com>

Check for return value of sysfs_create_link() in class_device_add().

Signed-off-by: Cornelia Huck <cornelia.huck@...ibm.com>

 class.c |    5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

--- linux-2.6.18-rc6/drivers/base/class.c	2006-09-12 17:01:56.000000000 +0200
+++ linux-2.6.18-rc6+CH/drivers/base/class.c	2006-09-12 17:03:21.000000000 +0200
@@ -562,7 +562,10 @@ int class_device_add(struct class_device
 		goto out2;
 
 	/* add the needed attributes to this device */
-	sysfs_create_link(&class_dev->kobj, &parent_class->subsys.kset.kobj, "subsystem");
+	error = sysfs_create_link(&class_dev->kobj,
+				  &parent_class->subsys.kset.kobj, "subsystem");
+	if (error)
+		goto out3;
 	class_dev->uevent_attr.attr.name = "uevent";
 	class_dev->uevent_attr.attr.mode = S_IWUSR;
 	class_dev->uevent_attr.attr.owner = parent_class->owner;
-
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