[PATCH 1/3] USB: serial: metro-usb: replace unnecessary atomic allocation

[Johan Hovold <johan@kernel.org>]

The unthrottle callback is allowed to sleep so pass the correct GFP flag
to usb_submit_urb() to avoid unnecessary atomic allocations.

Signed-off-by: Johan Hovold <johan@kernel.org>
---
 drivers/usb/serial/metro-usb.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/usb/serial/metro-usb.c b/drivers/usb/serial/metro-usb.c
index 35473544f1c8..f42ad5dec35e 100644
--- a/drivers/usb/serial/metro-usb.c
+++ b/drivers/usb/serial/metro-usb.c
@@ -329,7 +329,7 @@ static void metrousb_unthrottle(struct tty_struct *tty)
 	spin_unlock_irqrestore(&metro_priv->lock, flags);
 
 	/* Submit the urb to read from the port. */
-	result = usb_submit_urb(port->interrupt_in_urb, GFP_ATOMIC);
+	result = usb_submit_urb(port->interrupt_in_urb, GFP_KERNEL);
 	if (result)
 		dev_err(&port->dev,
 			"failed submitting interrupt in urb error code=%d\n",
-- 
2.53.0