Commit 871996ed authored by Johan Hovold's avatar Johan Hovold Committed by Greg Kroah-Hartman
Browse files

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
......@@ -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 {
......
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