Fix megaraid module ownership

Move to using the .owner field of fops

drivers/scsi/megaraid.c

@@ -88,9 +88,9 @@ static struct mega_hbas mega_hbas[MAX_CONTROLLERS];
  * The File Operations structure for the serial/ioctl interface of the driver
  */
 static struct file_operations megadev_fops = {
+	.owner		= THIS_MODULE,
 	.ioctl		= megadev_ioctl,
 	.open		= megadev_open,
-	.release	= megadev_close,
 };
 
 /*
@@ -4040,9 +4040,6 @@ megadev_open (struct inode *inode, struct file *filep)
 	 */
 	if( !capable(CAP_SYS_ADMIN) ) return -EACCES;
 
-	if (!try_module_get(THIS_MODULE)) {
-		return -ENXIO;
-	}
 	return 0;
 }
 
@@ -4640,14 +4637,6 @@ mega_n_to_m(void *arg, megacmd_t *mc)
 }
 
 
-static int
-megadev_close (struct inode *inode, struct file *filep)
-{
-	module_put(THIS_MODULE);
-	return 0;
-}
-
-
 /*
  * MEGARAID 'FW' commands.
  */

drivers/scsi/megaraid.h

@@ -1054,7 +1054,6 @@ static int megadev_ioctl (struct inode *, struct file *, unsigned int,
 		unsigned long);
 static int mega_m_to_n(void *, nitioctl_t *);
 static int mega_n_to_m(void *, megacmd_t *);
-static int megadev_close (struct inode *, struct file *);
 
 static int mega_init_scb (adapter_t *);