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[DLM] fix new_lockspace error exit [5/6] 

Fix the error path when exiting new_lockspace().  It was kfree'ing the
lockspace struct at the end, but that's only valid if it exits before
kobject_register occured.  After kobject_register we have to let the
kobject do the freeing.

Signed-off-by: David Teigland <teigland@redhat.com>
Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
This commit is contained in:
David Teigland 2007-05-18 09:02:20 -05:00 committed by Steven Whitehouse
parent c85d65e914
commit 79d72b5448
1 changed files with 19 additions and 13 deletions
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32
fs/dlm/lockspace.c
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@ -400,6 +400,7 @@ static int new_lockspace(char *name, int namelen, void **lockspace,
{
struct dlm_ls *ls;
int i, size, error = -ENOMEM;
int do_unreg = 0;
if (namelen > DLM_LOCKSPACE_LEN)
return -EINVAL;
@ -525,32 +526,34 @@ static int new_lockspace(char *name, int namelen, void **lockspace,
error = dlm_recoverd_start(ls);
if (error) {
log_error(ls, "can't start dlm_recoverd %d", error);
goto out_rcomfree;
goto out_delist;
}
dlm_create_debug_file(ls);
error = kobject_setup(ls);
if (error)
goto out_del;
goto out_stop;
error = kobject_register(&ls->ls_kobj);
if (error)
goto out_del;
goto out_stop;
/* let kobject handle freeing of ls if there's an error */
do_unreg = 1;
error = do_uevent(ls, 1);
if (error)
goto out_unreg;
goto out_stop;
dlm_create_debug_file(ls);
log_debug(ls, "join complete");
*lockspace = ls;
return 0;
out_unreg:
kobject_unregister(&ls->ls_kobj);
out_del:
dlm_delete_debug_file(ls);
out_stop:
dlm_recoverd_stop(ls);
out_rcomfree:
out_delist:
spin_lock(&lslist_lock);
list_del(&ls->ls_list);
spin_unlock(&lslist_lock);
@ -562,7 +565,10 @@ static int new_lockspace(char *name, int namelen, void **lockspace,
out_rsbfree:
kfree(ls->ls_rsbtbl);
out_lsfree:
kfree(ls);
if (do_unreg)
kobject_unregister(&ls->ls_kobj);
else
kfree(ls);
out:
module_put(THIS_MODULE);
return error;
@ -708,7 +714,7 @@ static int release_lockspace(struct dlm_ls *ls, int force)
dlm_clear_members_gone(ls);
kfree(ls->ls_node_array);
kobject_unregister(&ls->ls_kobj);
/* The ls structure will be freed when the kobject is done with */
/* The ls structure will be freed when the kobject is done with */
mutex_lock(&ls_lock);
ls_count--;