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-rw-r--r--drivers/serial/8250.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/serial/8250.c b/drivers/serial/8250.c
index 9224fc3184e..7e8fc7c1d4c 100644
--- a/drivers/serial/8250.c
+++ b/drivers/serial/8250.c
@@ -2061,7 +2061,8 @@ static void __init serial8250_isa_init_ports(void)
up->port.ops = &serial8250_pops;
}
- for (i = 0, up = serial8250_ports; i < ARRAY_SIZE(old_serial_port);
+ for (i = 0, up = serial8250_ports;
+ i < ARRAY_SIZE(old_serial_port) && i < UART_NR;
i++, up++) {
up->port.iobase = old_serial_port[i].port;
up->port.irq = irq_canonicalize(old_serial_port[i].irq);