From mboxrd@z Thu Jan 1 00:00:00 1970 From: linux@prisktech.co.nz (Tony Prisk) Date: Tue, 15 Jan 2013 17:58:03 +1300 Subject: [PATCH 1/4] serial: vt8500: Fix range-checking on vt8500_uart_ports In-Reply-To: <1358225886-5686-1-git-send-email-linux@prisktech.co.nz> References: <1358225886-5686-1-git-send-email-linux@prisktech.co.nz> Message-ID: <1358225886-5686-2-git-send-email-linux@prisktech.co.nz> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org 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 --- drivers/tty/serial/vt8500_serial.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/tty/serial/vt8500_serial.c b/drivers/tty/serial/vt8500_serial.c index 8fd1814..4c4a58d 100644 --- a/drivers/tty/serial/vt8500_serial.c +++ b/drivers/tty/serial/vt8500_serial.c @@ -569,7 +569,7 @@ 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; @@ -580,7 +580,7 @@ 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 */ -- 1.7.9.5