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| author | Johan Hovold <jhovold@gmail.com> | 2013-12-29 19:23:12 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2014-01-03 12:31:48 -0800 |
| commit | 871996ede12306cd1d75ed8135bed6f1fcbcd0e6 (patch) | |
| tree | f3b1b7bcf80f1eced6c311d448aeb9ec4fafd8da /drivers/usb | |
| parent | 59afe10e8dd33d26f8c2ae7572f9023044e71bab (diff) | |
| download | lwn-871996ede12306cd1d75ed8135bed6f1fcbcd0e6.tar.gz lwn-871996ede12306cd1d75ed8135bed6f1fcbcd0e6.zip | |
USB: pl2303: enforce baud-rate limits before lookup
Enforce any baud-rate limits before doing table lookup.
Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb')
| -rw-r--r-- | drivers/usb/serial/pl2303.c | 6 |
1 files 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 { |