From: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Date: Sat, 20 Aug 2011 17:50:08 +0000 (-0400)
Subject: urcu-bp: do not call munmap for NULL registry at exit
X-Git-Tag: v0.6.5~43
X-Git-Url: https://git.lttng.org./?a=commitdiff_plain;h=9380711ae3803da72aa1c7cf9ade5c3f93757006;p=userspace-rcu.git

urcu-bp: do not call munmap for NULL registry at exit

Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
---

diff --git a/urcu-bp.c b/urcu-bp.c
index 80eaefe..2ae3408 100644
--- a/urcu-bp.c
+++ b/urcu-bp.c
@@ -373,9 +373,10 @@ end:
 	assert(!ret);
 }
 
-void rcu_bp_exit()
+void rcu_bp_exit(void)
 {
-	munmap(registry_arena.p, registry_arena.len);
+	if (registry_arena.p)
+		munmap(registry_arena.p, registry_arena.len);
 }
 
 /*