From: Adam Heath <doogie@debian.org>
Date: Tue, 3 Sep 2002 23:34:50 +0000 (+0000)
Subject: Protect duplicate calls to obstack_free(), as obstack_free segfaults when
X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=a5e8288468134ac71b0357a58ded20b883607081;p=dpkg

Protect duplicate calls to obstack_free(), as obstack_free segfaults when
called without initializing.
---

diff --git a/ChangeLog b/ChangeLog
index 85189528..06dcb94f 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+Tue Sep  3 18:37:45 CDT 2002 Adam Heath <doogie@debian.org>
+
+  * lib/nfmalloc.c: Protect duplicate calls to obstack_free(),
+    as obstack_free segfaults when called without initializing.
+
 Tue Sep  3 18:36:42 CDT 2002 Adam Heath <doogie@debian.org>
 
   * version-nr, debian/changelog: Set 1.10.7 version.
diff --git a/lib/nfmalloc.c b/lib/nfmalloc.c
index 2930b883..f44d08c8 100644
--- a/lib/nfmalloc.c
+++ b/lib/nfmalloc.c
@@ -62,6 +62,8 @@ char *nfstrnsave(const char *string, int l) {
 }
 
 void nffreeall(void) {
-  obstack_free(&db_obs, NULL);
-  dbobs_init = 0;
+  if (dbobs_init) {
+    obstack_free(&db_obs, NULL);
+    dbobs_init = 0;
+  }
 }