From 1428704d2a8860f3c9feb96dd1eb38c1f7bff7e8 Mon Sep 17 00:00:00 2001
From: Jim Meyering <meyering@redhat.com>
Date: Mon, 14 Dec 2009 16:41:11 +0100
Subject: [PATCH] qemu_driver.c: don't unlink(NULL) on OOM error path

* src/qemu/qemu_driver.c (qemudDomainMigratePrepareTunnel): Upon an
out of memory error, we would end up with unixfile==NULL and attempt
to unlink(NULL).  Skip the unlink when it's NULL.
---
 src/qemu/qemu_driver.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/qemu/qemu_driver.c b/src/qemu/qemu_driver.c
index 56bcec5ffe..c782f0dab9 100644
--- a/src/qemu/qemu_driver.c
+++ b/src/qemu/qemu_driver.c
@@ -6903,7 +6903,8 @@ endjob:
 
 cleanup:
     virDomainDefFree(def);
-    unlink(unixfile);
+    if (unixfile)
+        unlink(unixfile);
     VIR_FREE(unixfile);
     if (vm)
         virDomainObjUnlock(vm);
-- 
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