From 59a179950150d0305d6189ce9c126a9a0c5f6ab4 Mon Sep 17 00:00:00 2001
From: Andreas Schneider <asn@cryptomilk.org>
Date: Tue, 10 Jun 2014 13:52:38 +0200
Subject: [PATCH] log: Add check for return value.

For some reason I got a segfault in gdb here. Make sure it works
correctly.
---
 src/log.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/log.c b/src/log.c
index 9f6b5a4a..a72dd412 100644
--- a/src/log.c
+++ b/src/log.c
@@ -215,6 +215,10 @@ ssh_logging_callback ssh_get_log_callback(void) {
  */
 void *ssh_get_log_userdata(void)
 {
+    if (ssh_log_userdata == NULL) {
+        return NULL;
+    }
+
     return ssh_log_userdata;
 }