1 files changed, 6 insertions, 0 deletions

diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c
index f9b40a9dc4d3..bc03b0a690b4 100644
--- a/drivers/usb/class/cdc-acm.c
+++ b/drivers/usb/class/cdc-acm.c
@@ -1514,6 +1514,7 @@ static void acm_disconnect(struct usb_interface *intf)
 {
         struct acm *acm = usb_get_intfdata(intf);
         struct tty_struct *tty;
+        int i;
 
         /* sibling interface is already cleaning up */
         if (!acm)
@@ -1544,6 +1545,11 @@ static void acm_disconnect(struct usb_interface *intf)
 
         tty_unregister_device(acm_tty_driver, acm->minor);
 
+        usb_free_urb(acm->ctrlurb);
+        for (i = 0; i < ACM_NW; i++)
+                usb_free_urb(acm->wb[i].urb);
+        for (i = 0; i < acm->rx_buflimit; i++)
+                usb_free_urb(acm->read_urbs[i]);
         acm_write_buffers_free(acm);
         usb_free_coherent(acm->dev, acm->ctrlsize, acm->ctrl_buffer, acm->ctrl_dma);
         acm_read_buffers_free(acm);