[libvirt] [PATCH] qemu: Fix starting a domain with corrupted managed save file

[Martin Kletzander]

On Tue, Jun 13, 2017 at 01:32:50PM +0200, Jiri Denemark wrote:
>Commit v3.4.0-44-gac793bd71 fixed a memory leak, but failed to return
>the special -3 value. Thus an attempt to start a domain with corrupted
>managed save file would removed the corrupted file and report
>"An error occurred, but the cause is unknown" instead of starting the
>domain from scratch.
>
>https://bugzilla.redhat.com/show_bug.cgi?id=1460962
>Signed-off-by: Jiri Denemark <jdenemar at redhat.com>
>---
> src/qemu/qemu_driver.c | 6 ++----
> 1 file changed, 2 insertions(+), 4 deletions(-)
>

ACK

>diff --git a/src/qemu/qemu_driver.c b/src/qemu/qemu_driver.c
>index 6654fd3e2..ba1dba5b7 100644
>--- a/src/qemu/qemu_driver.c
>+++ b/src/qemu/qemu_driver.c
>@@ -6450,17 +6450,15 @@ qemuDomainSaveImageOpen(virQEMUDriverPtr driver,
>     *ret_def = def;
>     *ret_data = data;
>
>+ cleanup:
>     virObjectUnref(caps);
>-
>     return fd;
>
>  error:
>     virDomainDefFree(def);
>     virQEMUSaveDataFree(data);
>     VIR_FORCE_CLOSE(fd);
>-    virObjectUnref(caps);
>-
>-    return -1;
>+    goto cleanup;
> }
>
> static int ATTRIBUTE_NONNULL(4) ATTRIBUTE_NONNULL(5) ATTRIBUTE_NONNULL(6)
>--
>2.13.1
>
>--
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