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authorIngo Molnar <mingo@kernel.org>2021-02-17 14:04:39 +0100
committerIngo Molnar <mingo@kernel.org>2021-02-17 14:04:39 +0100
commited3cd45f8ca873dd320ff7e6b4c1c8f83a65302c (patch)
tree783a02c1e78964654fe6d9a9c14b24bfc50e6b3b /drivers/usb/class/cdc-wdm.c
parentbae4ec13640b0915e7dd86da7e65c5d085160571 (diff)
parentf40ddce88593482919761f74910f42f4b84c004b (diff)
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Merge tag 'v5.11' into sched/core, to pick up fixes & refresh the branch
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'drivers/usb/class/cdc-wdm.c')
-rw-r--r--drivers/usb/class/cdc-wdm.c16
1 files changed, 13 insertions, 3 deletions
diff --git a/drivers/usb/class/cdc-wdm.c b/drivers/usb/class/cdc-wdm.c
index 02d0cfd23bb2..508b1c3f8b73 100644
--- a/drivers/usb/class/cdc-wdm.c
+++ b/drivers/usb/class/cdc-wdm.c
@@ -465,13 +465,23 @@ static int service_outstanding_interrupt(struct wdm_device *desc)
if (!desc->resp_count || !--desc->resp_count)
goto out;
+ if (test_bit(WDM_DISCONNECTING, &desc->flags)) {
+ rv = -ENODEV;
+ goto out;
+ }
+ if (test_bit(WDM_RESETTING, &desc->flags)) {
+ rv = -EIO;
+ goto out;
+ }
+
set_bit(WDM_RESPONDING, &desc->flags);
spin_unlock_irq(&desc->iuspin);
rv = usb_submit_urb(desc->response, GFP_KERNEL);
spin_lock_irq(&desc->iuspin);
if (rv) {
- dev_err(&desc->intf->dev,
- "usb_submit_urb failed with result %d\n", rv);
+ if (!test_bit(WDM_DISCONNECTING, &desc->flags))
+ dev_err(&desc->intf->dev,
+ "usb_submit_urb failed with result %d\n", rv);
/* make sure the next notification trigger a submit */
clear_bit(WDM_RESPONDING, &desc->flags);
@@ -1027,9 +1037,9 @@ static void wdm_disconnect(struct usb_interface *intf)
wake_up_all(&desc->wait);
mutex_lock(&desc->rlock);
mutex_lock(&desc->wlock);
- kill_urbs(desc);
cancel_work_sync(&desc->rxwork);
cancel_work_sync(&desc->service_outs_intr);
+ kill_urbs(desc);
mutex_unlock(&desc->wlock);
mutex_unlock(&desc->rlock);