when suspend, it need check 'udev->actconfig'.
so when process failure, also need check it.
Signed-off-by: Chen Gang <gang.c...@asianux.com>
---
drivers/usb/core/driver.c | 10 ++++++----
1 files changed, 6 insertions(+), 4 deletions(-)
diff --git a/drivers/usb/core/driver.c b/drivers/usb/core/driver.c
index eb1d00a..1a50003 100644
--- a/drivers/usb/core/driver.c
+++ b/drivers/usb/core/driver.c
@@ -1253,10 +1253,12 @@ static int usb_suspend_both(struct usb_device *udev,
pm_message_t msg)
/* If the suspend failed, resume interfaces that did get suspended */
if (status != 0) {
- msg.event ^= (PM_EVENT_SUSPEND | PM_EVENT_RESUME);
- while (++i < n) {
- intf = udev->actconfig->interface[i];
- usb_resume_interface(udev, intf, msg, 0);
+ if (udev->actconfig) {
+ msg.event ^= (PM_EVENT_SUSPEND | PM_EVENT_RESUME);
+ while (++i < n) {
+ intf = udev->actconfig->interface[i];
+ usb_resume_interface(udev, intf, msg, 0);
+ }
}
/* If the suspend succeeded then prevent any more URB submissions
--
1.7.7.6
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