1.1 --- a/xen/drivers/char/serial.c	Wed Jun 15 14:41:49 2005 +0000
     1.2 +++ b/xen/drivers/char/serial.c	Thu Jun 16 01:47:29 2005 +0000
     1.3 @@ -176,11 +176,15 @@ char serial_getc(int handle)
     1.4              if ( port->rxbufp != port->rxbufc )
     1.5              {
     1.6                  c = port->rxbuf[MASK_SERIAL_RXBUF_IDX(port->rxbufc++)];
     1.7 +                spin_unlock_irqrestore(&port->lock, flags);
     1.8                  break;
     1.9              }
    1.10              
    1.11              if ( port->driver->getc(port, &c) )
    1.12 +            {
    1.13 +                spin_unlock_irqrestore(&port->lock, flags);
    1.14                  break;
    1.15 +            }
    1.16  
    1.17              spin_unlock_irqrestore(&port->lock, flags);
    1.18