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-rw-r--r--drivers/usb/serial/ftdi_sio.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c
index abcaeafa525f..86f6dfe87f86 100644
--- a/drivers/usb/serial/ftdi_sio.c
+++ b/drivers/usb/serial/ftdi_sio.c
@@ -2187,7 +2187,7 @@ no_data_parity_stop_changes:
dev_err(ddev, "%s urb failed to set baudrate\n", __func__);
mutex_unlock(&priv->cfg_lock);
/* Ensure RTS and DTR are raised when baudrate changed from 0 */
- if (!old_termios || (old_termios->c_cflag & CBAUD) == B0)
+ if (old_termios && (old_termios->c_cflag & CBAUD) == B0)
set_mctrl(port, TIOCM_DTR | TIOCM_RTS);
}