From: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Date: Tue, 15 Jan 2008 04:18:00 +0000 (+0900)
Subject: [SCSI] sg: handle class_device_create failure properly
X-Git-Tag: v2.6.25-rc1~1230^2~34
X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=d07e03610ca1f4be373f32ad5b25ac00dbdb867d;p=linux-2.6

[SCSI] sg: handle class_device_create failure properly

Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Acked-by: Douglas Gilbert <dougg@torque.net>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
---

diff --git a/drivers/scsi/sg.c b/drivers/scsi/sg.c
index ebbf9b4b7e..78ac48df4d 100644
--- a/drivers/scsi/sg.c
+++ b/drivers/scsi/sg.c
@@ -1434,11 +1434,14 @@ sg_add(struct class_device *cl_dev, struct class_interface *cl_intf)
 				MKDEV(SCSI_GENERIC_MAJOR, sdp->index),
 				cl_dev->dev, "%s",
 				disk->disk_name);
-		if (IS_ERR(sg_class_member))
-			printk(KERN_WARNING "sg_add: "
-				"class_device_create failed\n");
+		if (IS_ERR(sg_class_member)) {
+			printk(KERN_ERR "sg_add: "
+			       "class_device_create failed\n");
+			error = PTR_ERR(sg_class_member);
+			goto cdev_add_err;
+		}
 		class_set_devdata(sg_class_member, sdp);
-		error = sysfs_create_link(&scsidp->sdev_gendev.kobj, 
+		error = sysfs_create_link(&scsidp->sdev_gendev.kobj,
 					  &sg_class_member->kobj, "generic");
 		if (error)
 			printk(KERN_ERR "sg_add: unable to make symlink "