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authorDov Murik <dovmurik@linux.vnet.ibm.com>2020-09-21 09:48:30 +0000
committerDr. David Alan Gilbert <dgilbert@redhat.com>2020-09-25 12:45:58 +0100
commitb4deb9bf8d97dbee07781e90e2089c6410ea9098 (patch)
tree214818d68dbd5dd7dc871210ed04be7071e01d37
parent3c0b5dffc1768871960f3d904085e462b9e18a1f (diff)
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migration: Truncate state file in xen-save-devices-state
When running the xen-save-devices-state QMP command, if the filename already exists it will be truncated before dumping the devices' state into it. Signed-off-by: Dov Murik <dovmurik@linux.vnet.ibm.com> Message-Id: <20200921094830.114028-1-dovmurik@linux.vnet.ibm.com> Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
-rw-r--r--migration/savevm.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/migration/savevm.c b/migration/savevm.c
index ee21e98..34e4b71 100644
--- a/migration/savevm.c
+++ b/migration/savevm.c
@@ -2803,7 +2803,8 @@ void qmp_xen_save_devices_state(const char *filename, bool has_live, bool live,
vm_stop(RUN_STATE_SAVE_VM);
global_state_store_running();
- ioc = qio_channel_file_new_path(filename, O_WRONLY | O_CREAT, 0660, errp);
+ ioc = qio_channel_file_new_path(filename, O_WRONLY | O_CREAT | O_TRUNC,
+ 0660, errp);
if (!ioc) {
goto the_end;
}