From 86552bf2bb139a4c3a6510bd6e3936a9f55d611e Mon Sep 17 00:00:00 2001
From: Marc Hoersken <info@marc-hoersken.de>
Date: Sat, 27 Dec 2014 14:00:48 +0100
Subject: [PATCH] examples/x11.c: fix possible memory leak if read fails

Detected by clang scan in line 224, column 21.
---
 example/x11.c | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/example/x11.c b/example/x11.c
index 5c447bcb..53eff1ab 100644
--- a/example/x11.c
+++ b/example/x11.c
@@ -218,10 +218,13 @@ static int x11_send_receive(LIBSSH2_CHANNEL *channel, int sock)
 
         /* Data in sock*/
         rc = read(sock, buf, bufsize);
-        if (rc > 0)
-            rc = libssh2_channel_write(channel,buf, rc);
-        else
+        if (rc > 0) {
+            rc = libssh2_channel_write(channel, buf, rc);
+        }
+        else {
+            free(buf);
             return -1;
+        }
     }
 
     free(fds);