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path: root/drivers/usb/gadget/u_serial.c
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Diffstat (limited to 'drivers/usb/gadget/u_serial.c')
-rw-r--r--drivers/usb/gadget/u_serial.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/usb/gadget/u_serial.c b/drivers/usb/gadget/u_serial.c
index 0a4d99ab40d..fc6e709f45b 100644
--- a/drivers/usb/gadget/u_serial.c
+++ b/drivers/usb/gadget/u_serial.c
@@ -371,6 +371,7 @@ __acquires(&port->port_lock)
req->length = len;
list_del(&req->list);
+ req->zero = (gs_buf_data_avail(&port->port_write_buf) == 0);
pr_vdebug(PREFIX "%d: tx len=%d, 0x%02x 0x%02x 0x%02x ...\n",
port->port_num, len, *((u8 *)req->buf),