From: Ben Pfaff <blp@nicira.com>
Date: Fri, 9 Jan 2009 01:20:34 +0000 (-0800)
Subject: fatal-signal: Fix bug in call_hooks() recursion detection.
X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=5dcde6dcf38183548e53ae7540e9249f07052f28;p=openvswitch

fatal-signal: Fix bug in call_hooks() recursion detection.

Found by Chris Eagle via Fortify.
---

diff --git a/lib/fatal-signal.c b/lib/fatal-signal.c
index b05bd281..0bfa35bc 100644
--- a/lib/fatal-signal.c
+++ b/lib/fatal-signal.c
@@ -167,7 +167,7 @@ atexit_handler(void)
 static void
 call_hooks(int sig_nr)
 {
-    volatile sig_atomic_t recurse = 0;
+    static volatile sig_atomic_t recurse = 0;
     if (!recurse) {
         size_t i;