qemu-kvm/0020-migration-cleanup-in-error-paths-in-loadvm.patch

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2018-10-14 17:48:54 +00:00
From 005c4cb023ffdcb8888c7453d263cab95d5b1b1c Mon Sep 17 00:00:00 2001
From: "Dr. David Alan Gilbert" <dgilbert@redhat.com>
Date: Mon, 1 Oct 2018 10:54:49 +0100
Subject: migration: cleanup in error paths in loadvm
RH-Author: Dr. David Alan Gilbert <dgilbert@redhat.com>
Message-id: <20181001105449.41090-3-dgilbert@redhat.com>
Patchwork-id: 82325
O-Subject: [RHEL-8.0 qemu-kvm PATCH 2/2] migration: cleanup in error paths in loadvm
Bugzilla: 1608765
RH-Acked-by: Pankaj Gupta <pagupta@redhat.com>
RH-Acked-by: Laszlo Ersek <lersek@redhat.com>
RH-Acked-by: Laurent Vivier <lvivier@redhat.com>
From: "Dr. David Alan Gilbert" <dgilbert@redhat.com>
There's a couple of error paths in qemu_loadvm_state
which happen early on but after we've initialised the
load state; that needs to be cleaned up otherwise
we can hit asserts if the state gets reinitialised later.
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Message-Id: <20180914170430.54271-3-dgilbert@redhat.com>
Reviewed-by: Peter Xu <peterx@redhat.com>
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
(cherry picked from commit 096c83b7219c5a2145435afc8be750281e9cb447)
Signed-off-by: Danilo C. L. de Paula <ddepaula@redhat.com>
---
migration/savevm.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/migration/savevm.c b/migration/savevm.c
index 762c4b2..27e054d 100644
--- a/migration/savevm.c
+++ b/migration/savevm.c
@@ -2328,11 +2328,13 @@ int qemu_loadvm_state(QEMUFile *f)
if (migrate_get_current()->send_configuration) {
if (qemu_get_byte(f) != QEMU_VM_CONFIGURATION) {
error_report("Configuration section missing");
+ qemu_loadvm_state_cleanup();
return -EINVAL;
}
ret = vmstate_load_state(f, &vmstate_configuration, &savevm_state, 0);
if (ret) {
+ qemu_loadvm_state_cleanup();
return ret;
}
}
--
1.8.3.1