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Fix for missing locks due to recent change.

Browse source 
PR:		usb/170606
MFC after:	2 weeks
This commit is contained in:
Hans Petter Selasky 2012-08-13 18:34:04 +00:00
parent 07b6ce3ba9
commit f61fc4bd7d
1 changed files with 11 additions and 1 deletions
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12
sys/dev/usb/usb_device.c
View file

@ -2777,8 +2777,15 @@ usbd_set_endpoint_mode(struct usb_device *udev, struct usb_endpoint *ep,
uint8_t ep_mode)
{
usb_error_t error;
uint8_t do_unlock;
sx_assert(&udev->enum_sx, SA_LOCKED);
/* automatic locking */
if (usbd_enum_is_locked(udev)) {
do_unlock = 0;
} else {
do_unlock = 1;
usbd_enum_lock(udev);
}
if (udev->bus->methods->set_endpoint_mode != NULL) {
error = (udev->bus->methods->set_endpoint_mode) (
@ -2792,6 +2799,9 @@ usbd_set_endpoint_mode(struct usb_device *udev, struct usb_endpoint *ep,
/* only set new mode regardless of error */
ep->ep_mode = ep_mode;
if (do_unlock)
usbd_enum_unlock(udev);
return (error);
}