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Commit 871996ed authored by Johan Hovold's avatar Johan Hovold Committed by Greg Kroah-Hartman
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USB: pl2303: enforce baud-rate limits before lookup 



Enforce any baud-rate limits before doing table lookup.

Signed-off-by: default avatarJohan Hovold <jhovold@gmail.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 59afe10e

drivers/usb/serial/pl2303.c

+3 −3
Original line number Diff line number Diff line
@@ -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 {