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-rw-r--r--drivers/usb/core/message.c22
1 files changed, 11 insertions, 11 deletions
diff --git a/drivers/usb/core/message.c b/drivers/usb/core/message.c
index fd4c36ea5e46..844683e50383 100644
--- a/drivers/usb/core/message.c
+++ b/drivers/usb/core/message.c
@@ -1724,6 +1724,15 @@ free_interfaces:
1724 if (ret) 1724 if (ret)
1725 goto free_interfaces; 1725 goto free_interfaces;
1726 1726
1727 /* if it's already configured, clear out old state first.
1728 * getting rid of old interfaces means unbinding their drivers.
1729 */
1730 if (dev->state != USB_STATE_ADDRESS)
1731 usb_disable_device(dev, 1); /* Skip ep0 */
1732
1733 /* Get rid of pending async Set-Config requests for this device */
1734 cancel_async_set_config(dev);
1735
1727 /* Make sure we have bandwidth (and available HCD resources) for this 1736 /* Make sure we have bandwidth (and available HCD resources) for this
1728 * configuration. Remove endpoints from the schedule if we're dropping 1737 * configuration. Remove endpoints from the schedule if we're dropping
1729 * this configuration to set configuration 0. After this point, the 1738 * this configuration to set configuration 0. After this point, the
@@ -1733,20 +1742,11 @@ free_interfaces:
1733 mutex_lock(&hcd->bandwidth_mutex); 1742 mutex_lock(&hcd->bandwidth_mutex);
1734 ret = usb_hcd_alloc_bandwidth(dev, cp, NULL, NULL); 1743 ret = usb_hcd_alloc_bandwidth(dev, cp, NULL, NULL);
1735 if (ret < 0) { 1744 if (ret < 0) {
1736 usb_autosuspend_device(dev);
1737 mutex_unlock(&hcd->bandwidth_mutex); 1745 mutex_unlock(&hcd->bandwidth_mutex);
1746 usb_autosuspend_device(dev);
1738 goto free_interfaces; 1747 goto free_interfaces;
1739 } 1748 }
1740 1749
1741 /* if it's already configured, clear out old state first.
1742 * getting rid of old interfaces means unbinding their drivers.
1743 */
1744 if (dev->state != USB_STATE_ADDRESS)
1745 usb_disable_device(dev, 1); /* Skip ep0 */
1746
1747 /* Get rid of pending async Set-Config requests for this device */
1748 cancel_async_set_config(dev);
1749
1750 ret = usb_control_msg(dev, usb_sndctrlpipe(dev, 0), 1750 ret = usb_control_msg(dev, usb_sndctrlpipe(dev, 0),
1751 USB_REQ_SET_CONFIGURATION, 0, configuration, 0, 1751 USB_REQ_SET_CONFIGURATION, 0, configuration, 0,
1752 NULL, 0, USB_CTRL_SET_TIMEOUT); 1752 NULL, 0, USB_CTRL_SET_TIMEOUT);
@@ -1761,8 +1761,8 @@ free_interfaces:
1761 if (!cp) { 1761 if (!cp) {
1762 usb_set_device_state(dev, USB_STATE_ADDRESS); 1762 usb_set_device_state(dev, USB_STATE_ADDRESS);
1763 usb_hcd_alloc_bandwidth(dev, NULL, NULL, NULL); 1763 usb_hcd_alloc_bandwidth(dev, NULL, NULL, NULL);
1764 usb_autosuspend_device(dev);
1765 mutex_unlock(&hcd->bandwidth_mutex); 1764 mutex_unlock(&hcd->bandwidth_mutex);
1765 usb_autosuspend_device(dev);
1766 goto free_interfaces; 1766 goto free_interfaces;
1767 } 1767 }
1768 mutex_unlock(&hcd->bandwidth_mutex); 1768 mutex_unlock(&hcd->bandwidth_mutex);