diff options
Diffstat (limited to 'hw/char')
| -rw-r--r-- | hw/char/imx_serial.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/hw/char/imx_serial.c b/hw/char/imx_serial.c index f9da59fd63..801156db2d 100644 --- a/hw/char/imx_serial.c +++ b/hw/char/imx_serial.c @@ -125,7 +125,9 @@ static uint64_t imx_serial_read(void *opaque, hwaddr offset, s->usr2 &= ~USR2_RDR; s->uts1 |= UTS1_RXEMPTY; imx_update(s); - qemu_chr_accept_input(s->chr); + if (s->chr) { + qemu_chr_accept_input(s->chr); + } } return c; @@ -212,7 +214,9 @@ static void imx_serial_write(void *opaque, hwaddr offset, } if (value & UCR2_RXEN) { if (!(s->ucr2 & UCR2_RXEN)) { - qemu_chr_accept_input(s->chr); + if (s->chr) { + qemu_chr_accept_input(s->chr); + } } } s->ucr2 = value & 0xffff; |