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path: root/drivers/usb/class
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-rw-r--r--drivers/usb/class/cdc-acm.c10
1 files changed, 1 insertions, 9 deletions
diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c
index 20dc2add27ba..15b36e2efa85 100644
--- a/drivers/usb/class/cdc-acm.c
+++ b/drivers/usb/class/cdc-acm.c
@@ -410,20 +410,12 @@ static int acm_submit_read_urbs(struct acm *acm, gfp_t mem_flags)
static void acm_process_read_urb(struct acm *acm, struct urb *urb)
{
- struct tty_struct *tty;
-
if (!urb->actual_length)
return;
- tty = tty_port_tty_get(&acm->port);
- if (!tty)
- return;
-
tty_insert_flip_string(&acm->port, urb->transfer_buffer,
urb->actual_length);
- tty_flip_buffer_push(tty);
-
- tty_kref_put(tty);
+ tty_flip_buffer_push(&acm->port);
}
static void acm_read_bulk_callback(struct urb *urb)