From: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Date: Wed, 5 Oct 2011 02:01:50 +0000 (-0400)
Subject: urcu-pointer: fix rcu_set_pointer unset return value
X-Git-Tag: v0.6.6~5
X-Git-Url: https://git.lttng.org./?a=commitdiff_plain;h=8b7bebb109db7682a6308d14fe07789381d23142;p=userspace-rcu.git

urcu-pointer: fix rcu_set_pointer unset return value

The problem only affected non-_LGPL_SOURCE configs.

Reported-by: Stephen Hemminger <shemminger@vyatta.com>
Fix-proposed-by: "Paul E. McKenney" <paulmck@linux.vnet.ibm.com>
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
---

diff --git a/urcu-pointer.h b/urcu-pointer.h
index 67ee381..dd64ec4 100644
--- a/urcu-pointer.h
+++ b/urcu-pointer.h
@@ -101,6 +101,7 @@ extern void *rcu_set_pointer_sym(void **p, void *v);
 		typeof(*(p)) _________p1 = URCU_FORCE_CAST(typeof(*(p)),     \
 			rcu_set_pointer_sym(URCU_FORCE_CAST(void **, p),     \
 					    _________pv));		     \
+		(_________p1);						     \
 	})
 
 #endif /* !_LGPL_SOURCE */