From: Rusty Russell <rusty@rustcorp.com.au>
Date: Thu, 4 Oct 2012 02:33:25 +0000 (+0930)
Subject: lguest: fix occasional crash in example launcher.
X-Git-Url: http://drtracing.org/?a=commitdiff_plain;h=ca16f580a5db7e60bfafe59a50bb133bd3347491;p=deliverable%2Flinux.git

lguest: fix occasional crash in example launcher.

We usually got away with ->next on the final entry being NULL, but it
finally bit me.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Cc: stable@kernel.org
---

diff --git a/tools/lguest/lguest.c b/tools/lguest/lguest.c
index f759f4f097c7..fd2f9221b241 100644
--- a/tools/lguest/lguest.c
+++ b/tools/lguest/lguest.c
@@ -1299,6 +1299,7 @@ static struct device *new_device(const char *name, u16 type)
 	dev->feature_len = 0;
 	dev->num_vq = 0;
 	dev->running = false;
+	dev->next = NULL;
 
 	/*
 	 * Append to device list.  Prepending to a single-linked list is