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path: root/drivers/tty/serial/pxa.c
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Diffstat (limited to 'drivers/tty/serial/pxa.c')
-rw-r--r--drivers/tty/serial/pxa.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/tty/serial/pxa.c b/drivers/tty/serial/pxa.c
index baf552944d56..eda3c7710d6a 100644
--- a/drivers/tty/serial/pxa.c
+++ b/drivers/tty/serial/pxa.c
@@ -885,6 +885,10 @@ static int serial_pxa_probe(struct platform_device *dev)
sport->port.line = dev->id;
else if (ret < 0)
goto err_clk;
+ if (sport->port.line >= ARRAY_SIZE(serial_pxa_ports)) {
+ dev_err(&dev->dev, "serial%d out of range\n", sport->port.line);
+ return -EINVAL;
+ }
snprintf(sport->name, PXA_NAME_LEN - 1, "UART%d", sport->port.line + 1);
sport->port.membase = ioremap(mmres->start, resource_size(mmres));