[SCSI] aacraid: misc cleanup

Received from Mark Salyzyn:

Basically cleanup, nothing here will have an affect. Adjusting some
error codes, removing superfluous definitions and code fragments.

Signed-off-by: Mark Haverkamp <markh@osdl.org>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
diff --git a/drivers/scsi/aacraid/aachba.c b/drivers/scsi/aacraid/aachba.c
index 37c55dd..b14f7ca 100644
--- a/drivers/scsi/aacraid/aachba.c
+++ b/drivers/scsi/aacraid/aachba.c
@@ -1803,7 +1803,7 @@
 
 	fsa_dev_ptr = dev->fsa_dev;
 	if (!fsa_dev_ptr)
-		return -ENODEV;
+		return -EBUSY;
 	if (copy_from_user(&qd, arg, sizeof (struct aac_query_disk)))
 		return -EFAULT;
 	if (qd.cnum == -1)
@@ -1842,6 +1842,8 @@
 	struct fsa_dev_info *fsa_dev_ptr;
 
 	fsa_dev_ptr = dev->fsa_dev;
+	if (!fsa_dev_ptr)
+		return -EBUSY;
 
 	if (copy_from_user(&dd, arg, sizeof (struct aac_delete_disk)))
 		return -EFAULT;
@@ -1866,9 +1868,7 @@
 
 	fsa_dev_ptr = dev->fsa_dev;
 	if (!fsa_dev_ptr)
-		return -ENODEV;
-	if (!fsa_dev_ptr)
-		return -ENODEV;
+		return -EBUSY;
 
 	if (copy_from_user(&dd, arg, sizeof (struct aac_delete_disk)))
 		return -EFAULT;