diff options
Diffstat (limited to 'drivers/usb/class/cdc-wdm.c')
| -rw-r--r-- | drivers/usb/class/cdc-wdm.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/usb/class/cdc-wdm.c b/drivers/usb/class/cdc-wdm.c index a6b5e9fd071..07c12974fe1 100644 --- a/drivers/usb/class/cdc-wdm.c +++ b/drivers/usb/class/cdc-wdm.c @@ -794,14 +794,17 @@ static int wdm_suspend(struct usb_interface *intf, pm_message_t message) dev_dbg(&desc->intf->dev, "wdm%d_suspend\n", intf->minor); mutex_lock(&desc->lock); + spin_lock_irq(&desc->iuspin); #ifdef CONFIG_PM if ((message.event & PM_EVENT_AUTO) && (test_bit(WDM_IN_USE, &desc->flags) || test_bit(WDM_RESPONDING, &desc->flags))) { + spin_unlock_irq(&desc->iuspin); rv = -EBUSY; } else { #endif set_bit(WDM_SUSPENDING, &desc->flags); + spin_unlock_irq(&desc->iuspin); cancel_work_sync(&desc->rxwork); kill_urbs(desc); #ifdef CONFIG_PM @@ -831,8 +834,8 @@ static int wdm_resume(struct usb_interface *intf) dev_dbg(&desc->intf->dev, "wdm%d_resume\n", intf->minor); mutex_lock(&desc->lock); - rv = recover_from_urb_loss(desc); clear_bit(WDM_SUSPENDING, &desc->flags); + rv = recover_from_urb_loss(desc); mutex_unlock(&desc->lock); return rv; } |