diff --git a/drivers/usb/serial/mos7720.c b/drivers/usb/serial/mos7720.c
index 5608af4a369d47f1f63402a22173e2971a51fdaf..de9992b492b08ba447fb1f594e0a4f12f1d3c9a7 100644
--- a/drivers/usb/serial/mos7720.c
+++ b/drivers/usb/serial/mos7720.c
@@ -1252,7 +1252,7 @@ static int mos7720_write(struct tty_struct *tty, struct usb_serial_port *port,
 
 	if (urb->transfer_buffer == NULL) {
 		urb->transfer_buffer = kmalloc(URB_TRANSFER_BUFFER_SIZE,
-					       GFP_KERNEL);
+					       GFP_ATOMIC);
 		if (!urb->transfer_buffer)
 			goto exit;
 	}