From: Niels Provos <provos@gmail.com>
Date: Tue, 14 Dec 2004 03:36:12 +0000 (+0000)
Subject: fix issue where event_del is called before event_set.  bad bad thing to do.
X-Git-Tag: release-1.1b~41
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=bd6999b4a2b60fdd4e2e317ca84d382f2b9b0ace;p=libevent

fix issue where event_del is called before event_set.  bad bad thing to do.
pointed out by Mark Kidwell <MKidwell@looksmart.net>


svn:r128
---

diff --git a/event.c b/event.c
index f1b8b361..45d91a4a 100644
--- a/event.c
+++ b/event.c
@@ -591,13 +591,21 @@ event_add(struct event *ev, struct timeval *tv)
 int
 event_del(struct event *ev)
 {
-	struct event_base *base = ev->ev_base;
-	const struct eventop *evsel = base->evsel;
-	void *evbase = base->evbase;
+	struct event_base *base;
+	const struct eventop *evsel;
+	void *evbase;
 
 	LOG_DBG((LOG_MISC, 80, "event_del: %p, callback %p",
 		 ev, ev->ev_callback));
 
+	/* An event without a base has not been added */
+	if (ev->ev_base == NULL)
+		return;
+
+	base = ev->ev_base;
+	evsel = base->evsel;
+	evbase = base->evbase;
+
 	assert(!(ev->ev_flags & ~EVLIST_ALL));
 
 	/* See if we are just active executing this event in a loop */