Do not allow the "VerifyRecoveryLock" tunable to be changed if there is no reclock...

diff --git a/server/ctdb_tunables.c b/server/ctdb_tunables.c
index c10dc39cf364b7c3ba42fb2b0533d7ddcea6cd1a..8140ccfd6a4e08fc120ee66cb08650cd10fa58a5 100644 (file)
--- a/server/ctdb_tunables.c
+++ b/server/ctdb_tunables.c
@@ -135,12 +135,19 @@ int32_t ctdb_control_set_tunable(struct ctdb_context *ctdb, TDB_DATA indata)
                if (strcasecmp(name, tunable_map[i].name) == 0) break;
        }
 
+       if (!strcmp(name, "VerifyRecoveryLock") && t->value != 0
+       && ctdb->recovery_lock_file == NULL) {
+               DEBUG(DEBUG_ERR,("Can not activate tunable \"VerifyRecoveryLock\" since there is no recovery lock file set.\n"));
+               talloc_free(name);
+               return -1;
+       }
+
        talloc_free(name);
        
        if (i == ARRAY_SIZE(tunable_map)) {
                return -1;
        }
-       
+
        *(uint32_t *)(tunable_map[i].offset + (uint8_t*)&ctdb->tunable) = t->value;
 
        return 0;