From: David Vrabel <david.vrabel@csr.com>
Date: Fri, 12 Dec 2008 13:25:21 +0000 (+0000)
Subject: wusb: fix oops when terminating a non-existant reservation
X-Git-Tag: v2.6.29-rc1~541^2~6
X-Git-Url: https://openfabrics.org/gitweb/?a=commitdiff_plain;h=fe6e87a4b570d2e435709746ba550a7197016bd0;p=~shefty%2Frdma-dev.git

wusb: fix oops when terminating a non-existant reservation

If a reservation was not established, do not try terminating it.

Signed-off-by: David Vrabel <david.vrabel@csr.com>
---

diff --git a/drivers/usb/wusbcore/reservation.c b/drivers/usb/wusbcore/reservation.c
index c37e4f83e54..4ed97360c04 100644
--- a/drivers/usb/wusbcore/reservation.c
+++ b/drivers/usb/wusbcore/reservation.c
@@ -110,6 +110,9 @@ int wusbhc_rsv_establish(struct wusbhc *wusbhc)
  */
 void wusbhc_rsv_terminate(struct wusbhc *wusbhc)
 {
-	uwb_rsv_terminate(wusbhc->rsv);
-	uwb_rsv_destroy(wusbhc->rsv);
+	if (wusbhc->rsv) {
+		uwb_rsv_terminate(wusbhc->rsv);
+		uwb_rsv_destroy(wusbhc->rsv);
+		wusbhc->rsv = NULL;
+	}
 }