From 871996ede12306cd1d75ed8135bed6f1fcbcd0e6 Mon Sep 17 00:00:00 2001 From: Johan Hovold Date: Sun, 29 Dec 2013 19:23:12 +0100 Subject: [PATCH] USB: pl2303: enforce baud-rate limits before lookup Enforce any baud-rate limits before doing table lookup. Signed-off-by: Johan Hovold Signed-off-by: Greg Kroah-Hartman --- drivers/usb/serial/pl2303.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/usb/serial/pl2303.c b/drivers/usb/serial/pl2303.c index 9a95b92310f2..394903b4ecb7 100644 --- a/drivers/usb/serial/pl2303.c +++ b/drivers/usb/serial/pl2303.c @@ -351,6 +351,9 @@ static void pl2303_encode_baud_rate(struct tty_struct *tty, dev_dbg(&port->dev, "baud requested = %u\n", baud); if (!baud) return; + + if (spriv->type->max_baud_rate) + baud = min_t(speed_t, baud, spriv->type->max_baud_rate); /* * Set baud rate to nearest supported value. * @@ -359,9 +362,6 @@ static void pl2303_encode_baud_rate(struct tty_struct *tty, */ baud = pl2303_get_supported_baud_rate(baud); - if (spriv->type->max_baud_rate) - baud = min_t(speed_t, baud, spriv->type->max_baud_rate); - if (baud <= 115200) { put_unaligned_le32(baud, buf); } else { -- 2.45.2