[DLM] Fix memory leak in dlm_add_member() when dlm_node_weight() returns less than...

[cascardo/linux.git] / fs / dlm / member.c

diff --git a/fs/dlm/member.c b/fs/dlm/member.c
index a3f7de7..d099775 100644 (file)
--- a/fs/dlm/member.c
+++ b/fs/dlm/member.c
@@ -1,7 +1,7 @@
 /******************************************************************************
 *******************************************************************************
 **
-**  Copyright (C) 2005 Red Hat, Inc.  All rights reserved.
+**  Copyright (C) 2005-2007 Red Hat, Inc.  All rights reserved.
 **
 **  This copyrighted material is made available to anyone wishing to use,
 **  modify, copy, or redistribute it subject to the terms and conditions
@@ -56,8 +56,10 @@ static int dlm_add_member(struct dlm_ls *ls, int nodeid)
                return -ENOMEM;
 
        w = dlm_node_weight(ls->ls_name, nodeid);
-       if (w < 0)
+       if (w < 0) {
+               kfree(memb);
                return w;
+       }
 
        memb->nodeid = nodeid;
        memb->weight = w;
@@ -186,6 +188,14 @@ int dlm_recover_members(struct dlm_ls *ls, struct dlm_recover *rv, int *neg_out)
        struct dlm_member *memb, *safe;
        int i, error, found, pos = 0, neg = 0, low = -1;
 
+       /* previously removed members that we've not finished removing need to
+          count as a negative change so the "neg" recovery steps will happen */
+
+       list_for_each_entry(memb, &ls->ls_nodes_gone, list) {
+               log_debug(ls, "prev removed member %d", memb->nodeid);
+               neg++;
+       }
+
        /* move departed members from ls_nodes to ls_nodes_gone */
 
        list_for_each_entry_safe(memb, safe, &ls->ls_nodes, list) {
@@ -225,6 +235,12 @@ int dlm_recover_members(struct dlm_ls *ls, struct dlm_recover *rv, int *neg_out)
        *neg_out = neg;
 
        error = ping_members(ls);
+       if (!error || error == -EPROTO) {
+               /* new_lockspace() may be waiting to know if the config
+                  is good or bad */
+               ls->ls_members_result = error;
+               complete(&ls->ls_members_done);
+       }
        if (error)
                goto out;
 
@@ -276,6 +292,9 @@ int dlm_ls_stop(struct dlm_ls *ls)
        dlm_recoverd_suspend(ls);
        ls->ls_recover_status = 0;
        dlm_recoverd_resume(ls);
+
+       if (!ls->ls_recover_begin)
+               ls->ls_recover_begin = jiffies;
        return 0;
 }