staging: dgnc: Siplify the dgnc_start function

This commit slightly simplifies the sgnc_start() function by
rearranging it. As a result the indentation level is reduced.
This is not the functional change.
Signed-off-by: Konrad Zapalowicz <bergo.torino@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/dgnc/dgnc_driver.c

@@ -278,15 +278,13 @@ static int dgnc_start(void)
 	int rc = 0;
 	unsigned long flags;
 
-	if (dgnc_driver_start == FALSE) {
-
+	if (dgnc_driver_start == TRUE)
+		return rc;
 	dgnc_driver_start = TRUE;
 
 	/* make sure that the globals are init'd before we do anything else */
 	dgnc_init_globals();
 
-		dgnc_NumBoards = 0;
-
 	APR(("For the tools package or updated drivers please visit http://www.digi.com\n"));
 
 	/*
@@ -301,8 +299,7 @@ static int dgnc_start(void)
 		rc = register_chrdev(0, "dgnc", &dgnc_BoardFops);
 		if (rc <= 0) {
 			APR(("Can't register dgnc driver device (%d)\n", rc));
-				rc = -ENXIO;
-				return rc;
+			return -ENXIO;
 		}
 		dgnc_Major = rc;
 
@@ -335,7 +332,6 @@ static int dgnc_start(void)
 	add_timer(&dgnc_poll_timer);
 
 	dgnc_driver_state = DRIVER_READY;
-	}
 
 	return rc;
 }
@@ -814,6 +810,7 @@ static void dgnc_init_globals(void)
 	dgnc_rawreadok		= rawreadok;
 	dgnc_trcbuf_size	= trcbuf_size;
 	dgnc_debug		= debug;
+	dgnc_NumBoards		= 0;
 
 	for (i = 0; i < MAXBOARDS; i++)
 		dgnc_Board[i] = NULL;