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-rw-r--r--hw/serial.c4
1 files changed, 1 insertions, 3 deletions
diff --git a/hw/serial.c b/hw/serial.c
index a5b2a0c609..f0ce9b0c15 100644
--- a/hw/serial.c
+++ b/hw/serial.c
@@ -266,8 +266,6 @@ static void serial_xmit(void *opaque)
s->tsr = fifo_get(s,XMIT_FIFO);
if (!s->xmit_fifo.count)
s->lsr |= UART_LSR_THRE;
- } else if ((s->lsr & UART_LSR_THRE)) {
- return;
} else {
s->tsr = s->thr;
s->lsr |= UART_LSR_THRE;
@@ -279,7 +277,7 @@ static void serial_xmit(void *opaque)
/* in loopback mode, say that we just received a char */
serial_receive1(s, &s->tsr, 1);
} else if (qemu_chr_fe_write(s->chr, &s->tsr, 1) != 1) {
- if ((s->tsr_retry >= 0) && (s->tsr_retry <= MAX_XMIT_RETRY)) {
+ if ((s->tsr_retry > 0) && (s->tsr_retry <= MAX_XMIT_RETRY)) {
s->tsr_retry++;
qemu_mod_timer(s->transmit_timer, new_xmit_ts + s->char_transmit_time);
return;