[S390] dasd: fix double elevator_exit call when deadline iosched fails to load

[linux-2.6-omap-h63xx.git] / drivers / serial / amba-pl010.c

diff --git a/drivers/serial/amba-pl010.c b/drivers/serial/amba-pl010.c
index 1a9a24b82636e42704ae910f97e46d212800ebd4..e88da72f8304e9a6abc00daa73590e409e76e88b 100644 (file)
--- a/drivers/serial/amba-pl010.c
+++ b/drivers/serial/amba-pl010.c
@@ -167,8 +167,9 @@ static void pl010_rx_chars(struct uart_amba_port *uap)
        ignore_char:
                status = readb(uap->port.membase + UART01x_FR);
        }
+       spin_unlock(&uap->port.lock);
        tty_flip_buffer_push(tty);
-       return;
+       spin_lock(&uap->port.lock);
 }
 
 static void pl010_tx_chars(struct uart_amba_port *uap)