1 files changed, 3 insertions, 8 deletions

diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c
index 248279e44c99..b9fd39fd1b5b 100644
--- a/drivers/usb/class/cdc-acm.c
+++ b/drivers/usb/class/cdc-acm.c
@@ -335,14 +335,9 @@ next_buffer:
 
         dbg("acm_rx_tasklet: procesing buf 0x%p, size = %d\n", buf, buf->size);
 
-        for (i = 0; i < buf->size && !acm->throttle; i++) {
-                /* if we insert more than TTY_FLIPBUF_SIZE characters,
-                   we drop them. */
-                if (tty->flip.count >= TTY_FLIPBUF_SIZE) {
-                        tty_flip_buffer_push(tty);
-                }
-                tty_insert_flip_char(tty, buf->base[i], 0);
-        }
+        tty_buffer_request_room(tty, buf->size);
+        if (!acm->throttle)
+                tty_insert_flip_string(tty, buf->base, buf->size);
         tty_flip_buffer_push(tty);
 
         spin_lock(&acm->throttle_lock);