diff options
| -rw-r--r-- | drivers/md/md.c | 16 |
1 files changed, 10 insertions, 6 deletions
diff --git a/drivers/md/md.c b/drivers/md/md.c index c0637603a391..7d5a6cede9b0 100644 --- a/drivers/md/md.c +++ b/drivers/md/md.c @@ -7427,15 +7427,19 @@ int unregister_md_personality(struct md_personality *p) } EXPORT_SYMBOL(unregister_md_personality); -int register_md_cluster_operations(struct md_cluster_operations *ops, struct module *module) +int register_md_cluster_operations(struct md_cluster_operations *ops, + struct module *module) { - if (md_cluster_ops != NULL) - return -EALREADY; + int ret = 0; spin_lock(&pers_lock); - md_cluster_ops = ops; - md_cluster_mod = module; + if (md_cluster_ops != NULL) + ret = -EALREADY; + else { + md_cluster_ops = ops; + md_cluster_mod = module; + } spin_unlock(&pers_lock); - return 0; + return ret; } EXPORT_SYMBOL(register_md_cluster_operations); |