qemu_chr_fe_write() is capable of returning 0
to indicate EAGAIN (and friends) and we don't
handle this.
Just change it to qemu_chr_fe_write_all() to fix.
Reported-by: Peter Crosthwaite <peter.crosthwa...@xilinx.com>
Signed-off-by: Antony Pavlov <antonynpav...@gmail.com>
CC: Peter Crosthwaite <peter.crosthwa...@xilinx.com>
CC: Michael Walle <mich...@walle.cc>
CC: Andreas Färber <afaer...@suse.de>
---
hw/char/milkymist-uart.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/hw/char/milkymist-uart.c b/hw/char/milkymist-uart.c
index 2e4b5c5..6e4bc20 100644
--- a/hw/char/milkymist-uart.c
+++ b/hw/char/milkymist-uart.c
@@ -124,7 +124,7 @@ static void uart_write(void *opaque, hwaddr addr, uint64_t
value,
switch (addr) {
case R_RXTX:
if (s->chr) {
- qemu_chr_fe_write(s->chr, &ch, 1);
+ qemu_chr_fe_write_all(s->chr, &ch, 1);
}
s->regs[R_STAT] |= STAT_TX_EVT;
break;
--
1.8.4.rc3
