[Xen-devel] [PATCH] fix serial emulation

[Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>]

There is a small bug on the serial emulation code that prevents kgdb
from working correctly over the serial.
This patch fixes it.

Signed-off-by: Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>

---

diff --git a/hw/serial.c b/hw/serial.c
index d090a2b..8e161dd 100644
--- a/hw/serial.c
+++ b/hw/serial.c
@@ -219,7 +219,7 @@ static void serial_update_irq(SerialState *s)
     } else if ( s->timeout_ipending ) {
         tmp_iir = UART_IIR_CTI;
     } else if ( ( s->ier & UART_IER_RDI ) && (s->lsr & UART_LSR_DR ) ) {
-        if ( !(s->iir & UART_FCR_FE) ) {
+        if ( !(s->fcr & UART_FCR_FE) ) {
            tmp_iir = UART_IIR_RDI;
         } else if ( s->recv_fifo.count >= s->recv_fifo.itl ) {
            tmp_iir = UART_IIR_RDI;

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