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[PATCH] serial/uartlite: Only enable port if request_port succeeded

The uartlite driver used to always enable the port even if request_port
failed causing havoc. This patch fixes it.

Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Peter Korsgaard 18 tahun lalu
induk
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e21654a756
1 mengubah file dengan 2 tambahan dan 2 penghapusan
  1. 2 2
      drivers/serial/uartlite.c

+ 2 - 2
drivers/serial/uartlite.c

@@ -278,8 +278,8 @@ static int ulite_request_port(struct uart_port *port)
 
 static void ulite_config_port(struct uart_port *port, int flags)
 {
-	ulite_request_port(port);
-	port->type = PORT_UARTLITE;
+	if (!ulite_request_port(port))
+		port->type = PORT_UARTLITE;
 }
 
 static int ulite_verify_port(struct uart_port *port, struct serial_struct *ser)