hw/9pfs: Fix assert when disabling migration

For 9p we can get the attach request multiple times for the
same export. So don't adding migration blocker for every
attach request.

Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
This commit is contained in:
Aneesh Kumar K.V 2012-07-31 12:53:18 +05:30
parent b7d28d25fd
commit 4cdc0789ec

View File

@ -983,11 +983,16 @@ static void v9fs_attach(void *opaque)
err += offset; err += offset;
trace_v9fs_attach_return(pdu->tag, pdu->id, trace_v9fs_attach_return(pdu->tag, pdu->id,
qid.type, qid.version, qid.path); qid.type, qid.version, qid.path);
s->root_fid = fid; /*
/* disable migration */ * disable migration if we haven't done already.
error_set(&s->migration_blocker, QERR_VIRTFS_FEATURE_BLOCKS_MIGRATION, * attach could get called multiple times for the same export.
s->ctx.fs_root ? s->ctx.fs_root : "NULL", s->tag); */
migrate_add_blocker(s->migration_blocker); if (!s->migration_blocker) {
s->root_fid = fid;
error_set(&s->migration_blocker, QERR_VIRTFS_FEATURE_BLOCKS_MIGRATION,
s->ctx.fs_root ? s->ctx.fs_root : "NULL", s->tag);
migrate_add_blocker(s->migration_blocker);
}
out: out:
put_fid(pdu, fidp); put_fid(pdu, fidp);
out_nofid: out_nofid: