On Mon, Dec 14, 2009 at 04:42:03PM +0100, Jim Meyering wrote:
Not terribly likely, but not impossible, either:
>From dc8fe76ed209d04b1e962b94b20da17a077e102f Mon Sep 17 00:00:00 2001
From: Jim Meyering <meyering(a)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 files changed, 2 insertions(+), 1 deletions(-)
diff --git a/src/qemu/qemu_driver.c b/src/qemu/qemu_driver.c
index 56bcec5..04b2511 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);
ACK, let's avoid the risk,
Daniel
--
Daniel Veillard | libxml Gnome XML XSLT toolkit
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