From 04c9cddda95f2a8ca5c0cf10bb3dd6accf56cf45 Mon Sep 17 00:00:00 2001
From: Werner Koch <wk@gnupg.org>
Date: Wed, 23 Dec 2015 15:17:50 +0100
Subject: [PATCH] gpg: Add standard free() semantic to pubkey_free.

* g10/getkey.c (pubkey_free): Check for NULL arg.
--

We don't like surprises ;-)

Signed-off-by: Werner Koch <wk@gnupg.org>
---
 g10/getkey.c | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/g10/getkey.c b/g10/getkey.c
index a32e7298d..26b1932f0 100644
--- a/g10/getkey.c
+++ b/g10/getkey.c
@@ -369,9 +369,12 @@ getkey_disable_caches ()
 void
 pubkey_free (struct pubkey *key)
 {
-  xfree (key->pk);
-  release_kbnode (key->keyblock);
-  xfree (key);
+  if (key)
+    {
+      xfree (key->pk);
+      release_kbnode (key->keyblock);
+      xfree (key);
+    }
 }
 
 void