Fix on udev backend startup

debian/patches/0005-udev_device_get_devpath-might-return-NULL.patch

+From: =?UTF-8?q?Guido=20G=C3=BCnther?= <agx@sigxcpu.org>
+Date: Mon, 7 Dec 2009 19:00:11 +0100
+Subject: [PATCH] udev_device_get_devpath might return NULL
+
+Fix crash on strdup in that case.
+---
+ src/node_device/node_device_udev.c |    8 +++++++-
+ 1 files changed, 7 insertions(+), 1 deletions(-)
+
+diff --git a/src/node_device/node_device_udev.c b/src/node_device/node_device_udev.c
+index 9b48052..c7238fc 100644
+--- a/src/node_device/node_device_udev.c
++++ b/src/node_device/node_device_udev.c
+@@ -947,8 +947,14 @@ static int udevProcessStorage(struct udev_device *device,
+ {
+     union _virNodeDevCapData *data = &def->caps->data;
+     int ret = -1;
++    const char* devnode;
+ 
+-    data->storage.block = strdup(udev_device_get_devnode(device));
++    devnode = udev_device_get_devnode(device);
++    if(!devnode) {
++        VIR_DEBUG("No devnode for '%s'\n", udev_device_get_devpath(device));
++        goto out;
++    }
++    data->storage.block = strdup(devnode);
+     if (udevGetStringProperty(device,
+                               "DEVNAME",
+                               &data->storage.block) == PROPERTY_ERROR) {
+-- 

debian/patches/series

@@ -2,3 +2,4 @@
 0002-qemu-disable-network.diff.patch
 0003-allow-libvirt-group-to-access-the-socket.patch
 0004-fix-Debian-specific-path-to-hvm-loader.patch
+0005-udev_device_get_devpath-might-return-NULL.patch