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-rw-r--r--hw/char/serial.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/hw/char/serial.c b/hw/char/serial.c
index fd80ae5592..840da89de7 100644
--- a/hw/char/serial.c
+++ b/hw/char/serial.c
@@ -344,7 +344,7 @@ static void serial_ioport_write(void *opaque, hwaddr addr, uint64_t val,
{
SerialState *s = opaque;
- addr &= 7;
+ assert(size == 1 && addr < 8);
trace_serial_ioport_write(addr, val);
switch(addr) {
default:
@@ -485,7 +485,7 @@ static uint64_t serial_ioport_read(void *opaque, hwaddr addr, unsigned size)
SerialState *s = opaque;
uint32_t ret;
- addr &= 7;
+ assert(size == 1 && addr < 8);
switch(addr) {
default:
case 0: