[PATCH] lguest: Fix uninitialized members in example launcher

[Rusty Russell <rusty@rustcorp.com.au>]

Thanks valgrind!

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>

diff -r 1041aeb944b2 Documentation/lguest/lguest.c
--- a/Documentation/lguest/lguest.c	Tue Nov 13 15:11:06 2007 +1100
+++ b/Documentation/lguest/lguest.c	Thu Nov 15 13:28:48 2007 +1100
@@ -1040,6 +1040,11 @@ static void add_virtqueue(struct device 
 		/ getpagesize();
 	p = get_pages(pages);
 
+	/* Initialize the virtqueue */
+	vq->next = NULL;
+	vq->last_avail_idx = 0;
+	vq->dev = dev;
+
 	/* Initialize the configuration. */
 	vq->config.num = num_descs;
 	vq->config.irq = devices.next_irq++;
@@ -1056,9 +1061,6 @@ static void add_virtqueue(struct device 
 	 * second.  */
 	for (i = &dev->vq; *i; i = &(*i)->next);
 	*i = vq;
-
-	/* Link virtqueue back to device. */
-	vq->dev = dev;
 
 	/* Set the routine to call when the Guest does something to this
 	 * virtqueue. */
@@ -1093,6 +1095,7 @@ static struct device *new_device(const c
 	dev->desc = new_dev_desc(type);
 	dev->handle_input = handle_input;
 	dev->name = name;
+	dev->vq = NULL;
 	return dev;
 }
 
-
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