[PATCH] Fix warning about unsupported cookie flags in QEMU driver

["Daniel P. Berrange" <berrange@xxxxxxxxxx>]

From: "Daniel P. Berrange" <berrange@xxxxxxxxxx>

The QEMU migration code unconditionally sets the 'persistent'
cookie flag on the source host. The dest host, however, only
allows it during parsing if VIR_MIGRATE_PERSIST_DEST was
set. Make the source host only set it if this flag is
present.

Signed-off-by: Daniel P. Berrange <berrange@xxxxxxxxxx>
---
 src/qemu/qemu_migration.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/qemu/qemu_migration.c b/src/qemu/qemu_migration.c
index 0732614..d50099c 100644
--- a/src/qemu/qemu_migration.c
+++ b/src/qemu/qemu_migration.c
@@ -2941,8 +2941,9 @@ cleanup:
         VIR_FORCE_CLOSE(fd);
     }
 
-    cookieFlags |= (QEMU_MIGRATION_COOKIE_PERSISTENT |
-                    QEMU_MIGRATION_COOKIE_NETWORK);
+    cookieFlags |= QEMU_MIGRATION_COOKIE_NETWORK;
+    if (flags & VIR_MIGRATE_PERSIST_DEST)
+        cookieFlags |= QEMU_MIGRATION_COOKIE_PERSISTENT;
     if (ret == 0 &&
         qemuMigrationBakeCookie(mig, driver, vm, cookieout,
                                 cookieoutlen, cookieFlags) < 0) {
-- 
1.8.1.4

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