diff options
Diffstat (limited to 'drivers/usb/host/xhci-hub.c')
| -rw-r--r-- | drivers/usb/host/xhci-hub.c | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/drivers/usb/host/xhci-hub.c b/drivers/usb/host/xhci-hub.c index d885033d3322..9dbd7595a7a3 100644 --- a/drivers/usb/host/xhci-hub.c +++ b/drivers/usb/host/xhci-hub.c @@ -376,10 +376,6 @@ static int xhci_stop_device(struct xhci_hcd *xhci, int slot_id, int suspend) int i; ret = 0; - virt_dev = xhci->devs[slot_id]; - if (!virt_dev) - return -ENODEV; - cmd = xhci_alloc_command(xhci, false, true, GFP_NOIO); if (!cmd) { xhci_dbg(xhci, "Couldn't allocate command structure.\n"); @@ -387,6 +383,13 @@ static int xhci_stop_device(struct xhci_hcd *xhci, int slot_id, int suspend) } spin_lock_irqsave(&xhci->lock, flags); + virt_dev = xhci->devs[slot_id]; + if (!virt_dev) { + spin_unlock_irqrestore(&xhci->lock, flags); + xhci_free_command(xhci, cmd); + return -ENODEV; + } + for (i = LAST_EP_INDEX; i > 0; i--) { if (virt_dev->eps[i].ring && virt_dev->eps[i].ring->dequeue) { struct xhci_command *command; @@ -403,6 +406,7 @@ static int xhci_stop_device(struct xhci_hcd *xhci, int slot_id, int suspend) i, suspend); if (ret) { spin_unlock_irqrestore(&xhci->lock, flags); + xhci_free_command(xhci, command); goto err_cmd_queue; } } |