[libvirt] [PATCH] qemu_driver: don't leak a virDomainDeviceDef buffer

[Jim Meyering]

At first I was going to call virDomainDeviceDefFree only "if (dev)",
but saw that it handles a NULL "dev" just fine, so it's better to skip
the test altogether, just as we do for many other free-like functions.

>From ea8511d709492f5cdc152a1eaccbccd05f036648 Mon Sep 17 00:00:00 2001
From: Jim Meyering <meyering at redhat.com>
Date: Mon, 18 Jan 2010 16:55:36 +0100
Subject: [PATCH] qemu_driver: don't leak a virDomainDeviceDef buffer

* src/qemu/qemu_driver.c (qemudDomainAttachDevice): Don't leak "dev".
---
 src/qemu/qemu_driver.c |    6 +++---
 1 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/qemu/qemu_driver.c b/src/qemu/qemu_driver.c
index 365921f..1aa8af6 100644
--- a/src/qemu/qemu_driver.c
+++ b/src/qemu/qemu_driver.c
@@ -6062,11 +6062,11 @@ cleanup:
     if (cgroup)
         virCgroupFree(&cgroup);

-    if (ret < 0 && dev != NULL) {
+    if (ret < 0 && dev != NULL)
         if (qemuDomainSetDeviceOwnership(dom->conn, driver, dev, 1) < 0)
             VIR_WARN0("Fail to restore disk device ownership");
-        virDomainDeviceDefFree(dev);
-    }
+    virDomainDeviceDefFree(dev);
+
     if (vm)
         virDomainObjUnlock(vm);
     qemuDriverUnlock(driver);
--
1.6.6.638.g2bc54