From: Zachary Amsden <zamsden@redhat.com>
Date: Thu, 30 Jul 2009 10:15:00 +0000 (-1000)
Subject: Don't segfault when changing VNC password on an SDL display.
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=07ca62486bfdff1384aea7aac5bfd6cd34df03a1;p=thirdparty%2Fqemu.git

Don't segfault when changing VNC password on an SDL display.

Signed-off-by: Zachary Amsden <zamsden@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Signed-off-by: Glauber Costa <glommer@redhat.com>
---

diff --git a/vnc.c b/vnc.c
index c0700c066e9..165202937e9 100644
--- a/vnc.c
+++ b/vnc.c
@@ -2438,6 +2438,10 @@ int vnc_display_password(DisplayState *ds, const char *password)
 {
     VncDisplay *vs = ds ? (VncDisplay *)ds->opaque : vnc_display;
 
+    if (!vs) {
+        return -1;
+    }
+
     if (vs->password) {
 	qemu_free(vs->password);
 	vs->password = NULL;