From: Tony Prisk Date: Wed, 16 Jan 2013 19:05:40 +0000 (+1300) Subject: serial: vt8500: Fix range-checking on vt8500_uart_ports X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=27dd2e04923341cff96aae164117c44da1072c32;p=linux-beck.git serial: vt8500: Fix range-checking on vt8500_uart_ports Fix two instances where the index to vt8500_uart_ports is tested against > VT8500_MAX_PORTS. Correct usage should be >= VT8500_MAX_PORTS. Signed-off-by: Tony Prisk Signed-off-by: Greg Kroah-Hartman --- diff --git a/drivers/tty/serial/vt8500_serial.c b/drivers/tty/serial/vt8500_serial.c index f1a398c672fa..e50deb771616 100644 --- a/drivers/tty/serial/vt8500_serial.c +++ b/drivers/tty/serial/vt8500_serial.c @@ -560,7 +560,7 @@ static int vt8500_serial_probe(struct platform_device *pdev) if (np) port = of_alias_get_id(np, "serial"); - if (port > VT8500_MAX_PORTS) + if (port >= VT8500_MAX_PORTS) port = -1; else port = -1; @@ -571,7 +571,7 @@ static int vt8500_serial_probe(struct platform_device *pdev) sizeof(vt8500_ports_in_use)); } - if (port > VT8500_MAX_PORTS) + if (port >= VT8500_MAX_PORTS) return -ENODEV; /* reserve the port id */