[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 ebbf9b4b7e9023c4744da2d56017e5cae308cd12..78ac48df4de8fee6d9978fdd8f15475b56f74632 100644 (file)
--- 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 "