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[SCSI] fix duplicate removal on error path in scsi_sysfs_add_sdev

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This patch (as1335) fixes a bug in scsi_sysfs_add_sdev().  Its callers
always remove the device if anything goes wrong, so it should never
remove the device.

Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
This commit is contained in:
Alan Stern 2010-02-12 12:13:55 -05:00 committed by James Bottomley
parent d5469119f0
commit ee37e09d81
1 changed files with 7 additions and 11 deletions
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18
drivers/scsi/scsi_sysfs.c
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@ -878,7 +878,8 @@ int scsi_sysfs_add_sdev(struct scsi_device *sdev)
struct request_queue *rq = sdev->request_queue;
struct scsi_target *starget = sdev->sdev_target;
if ((error = scsi_device_set_state(sdev, SDEV_RUNNING)) != 0)
error = scsi_device_set_state(sdev, SDEV_RUNNING);
if (error)
return error;
error = scsi_target_add(starget);
@ -889,13 +890,13 @@ int scsi_sysfs_add_sdev(struct scsi_device *sdev)
error = device_add(&sdev->sdev_gendev);
if (error) {
printk(KERN_INFO "error 1\n");
goto out_remove;
return error;
}
error = device_add(&sdev->sdev_dev);
if (error) {
printk(KERN_INFO "error 2\n");
device_del(&sdev->sdev_gendev);
goto out_remove;
return error;
}
transport_add_device(&sdev->sdev_gendev);
sdev->is_visible = 1;
@ -910,14 +911,14 @@ int scsi_sysfs_add_sdev(struct scsi_device *sdev)
else
error = device_create_file(&sdev->sdev_gendev, &dev_attr_queue_depth);
if (error)
goto out_remove;
return error;
if (sdev->host->hostt->change_queue_type)
error = device_create_file(&sdev->sdev_gendev, &sdev_attr_queue_type_rw);
else
error = device_create_file(&sdev->sdev_gendev, &dev_attr_queue_type);
if (error)
goto out_remove;
return error;
error = bsg_register_queue(rq, &sdev->sdev_gendev, NULL, NULL);
@ -933,16 +934,11 @@ int scsi_sysfs_add_sdev(struct scsi_device *sdev)
error = device_create_file(&sdev->sdev_gendev,
sdev->host->hostt->sdev_attrs[i]);
if (error)
goto out_remove;
return error;
}
}
return 0;
out_remove:
__scsi_remove_device(sdev);
return error;
}
void __scsi_remove_device(struct scsi_device *sdev)