From: Markus Armbruster <armbru@redhat.com>
Date: Tue, 8 Nov 2011 10:00:38 +0000 (+0100)
Subject: qdev: Fix crash on -device '?=x'
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=542379f42642179cea33571c2799ca6fd03bf452;p=qemu.git

qdev: Fix crash on -device '?=x'

Spotted by Coverity.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
---

diff --git a/hw/qdev.c b/hw/qdev.c
index 50976dd0c1..106407f226 100644
--- a/hw/qdev.c
+++ b/hw/qdev.c
@@ -186,7 +186,7 @@ int qdev_device_help(QemuOpts *opts)
         return 1;
     }
 
-    if (!qemu_opt_get(opts, "?")) {
+    if (!driver || !qemu_opt_get(opts, "?")) {
         return 0;
     }