Commit 557aaa7ffab6 ("ft232: support the ASYNC_LOW_LATENCY
flag") enables unprivileged users to set the FTDI latency timer,
but there was a logic flaw that skipped sending the corresponding
USB control message to the device.
Signed-off-by: Anthony Mallet <anthony.mal...@laas.fr>
---
drivers/usb/serial/ftdi_sio.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git drivers/usb/serial/ftdi_sio.c drivers/usb/serial/ftdi_sio.c
index d38780f..0e634c1 100644
--- drivers/usb/serial/ftdi_sio.c
+++ drivers/usb/serial/ftdi_sio.c
@@ -1527,9 +1527,9 @@ static int set_serial_info(struct tty_struct *tty,
(new_serial.flags & ASYNC_FLAGS));
priv->custom_divisor = new_serial.custom_divisor;
+check_and_exit:
write_latency_timer(port);
-check_and_exit:
if ((old_priv.flags & ASYNC_SPD_MASK) !=
(priv->flags & ASYNC_SPD_MASK)) {
if ((priv->flags & ASYNC_SPD_MASK) == ASYNC_SPD_HI)
--
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