1 files changed, 2 insertions, 0 deletions

diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c
index f492a7f2b6e..00d809dfe84 100644
--- a/drivers/usb/class/cdc-acm.c
+++ b/drivers/usb/class/cdc-acm.c
@@ -646,8 +646,10 @@ static void acm_port_down(struct acm *acm)
                 usb_kill_urb(acm->ctrlurb);
                 for (i = 0; i < ACM_NW; i++)
                         usb_kill_urb(acm->wb[i].urb);
+                tasklet_disable(&acm->urb_task);
                 for (i = 0; i < nr; i++)
                         usb_kill_urb(acm->ru[i].urb);
+                tasklet_enable(&acm->urb_task);
                 acm->control->needs_remote_wakeup = 0;
                 usb_autopm_put_interface(acm->control);
         }