From e2c5781788f765815532410a77077ddbb72513e9 Mon Sep 17 00:00:00 2001
From: Werner Koch <wk@gnupg.org>
Date: Tue, 29 Mar 2016 13:30:19 +0200
Subject: [PATCH] gpg: Fix NULL-segv for missing tofu DB.

* g10/tofu.c (opendb): Guard call to timeout function.
--

GnuPG-bug-id: 2294

Fix not tested but is pretty obvious.

Signed-off-by: Werner Koch <wk@gnupg.org>
---
 g10/tofu.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/g10/tofu.c b/g10/tofu.c
index 6a8817237..baa2ac235 100644
--- a/g10/tofu.c
+++ b/g10/tofu.c
@@ -706,7 +706,8 @@ opendb (char *filename, enum db_type type)
 
   /* If a DB is locked wait up to 5 seconds for the lock to be cleared
      before failing.  */
-  sqlite3_busy_timeout (db, 5 * 1000);
+  if (db)
+    sqlite3_busy_timeout (db, 5 * 1000);
 
   if (filename_free)
     xfree (filename);