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uwb: reference count reservations

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Reference counting the struct uwb_rsv's is safer and easier to get right than
the transferring ownership of the structures from the PAL to reservation
manager.

This fixes an oops in the debug PAL after a reservation timed out.

Signed-off-by: David Vrabel <david.vrabel@csr.com>
This commit is contained in:
David Vrabel
2008-10-27 15:22:46 +00:00
parent b09ac64b7b
commit cae1c11414
4 changed files with 46 additions and 23 deletions
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7
drivers/usb/wusbcore/reservation.c
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@@ -59,7 +59,6 @@ static void wusbhc_rsv_complete_cb(struct uwb_rsv *rsv)
case UWB_RSV_STATE_NONE:
dev_dbg(dev, "removed reservation\n");
wusbhc_bwa_set(wusbhc, 0, NULL);
wusbhc->rsv = NULL;
break;
default:
dev_dbg(dev, "unexpected reservation state: %d\n", rsv->state);
@@ -105,11 +104,11 @@ int wusbhc_rsv_establish(struct wusbhc *wusbhc)
/**
* wusbhc_rsv_terminate - terminate any cluster reservation
* wusbhc_rsv_terminate - terminate the cluster reservation
* @wusbhc: the WUSB host whose reservation is to be terminated
*/
void wusbhc_rsv_terminate(struct wusbhc *wusbhc)
{
if (wusbhc->rsv)
uwb_rsv_terminate(wusbhc->rsv);
uwb_rsv_terminate(wusbhc->rsv);
uwb_rsv_destroy(wusbhc->rsv);
}