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authorAl Viro <viro@zeniv.linux.org.uk>2012-03-17 22:03:58 -0400
committerAl Viro <viro@zeniv.linux.org.uk>2012-03-20 21:29:49 -0400
commit342827d7d19cb52b562bb3efeb4d4b672d008c35 (patch)
tree92b2155e8febaf9a9e5caad01f5929d9f63bcd11 /fs/ocfs2
parent0794f569ec307dc25bbb12456ef75aa71f72f744 (diff)
ocfs2: fix leaks on failure exits in module_init
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'fs/ocfs2')
-rw-r--r--fs/ocfs2/super.c40
1 files changed, 21 insertions, 19 deletions
diff --git a/fs/ocfs2/super.c b/fs/ocfs2/super.c
index 337687c3e233..68f4541c2db9 100644
--- a/fs/ocfs2/super.c
+++ b/fs/ocfs2/super.c
@@ -1624,21 +1624,17 @@ static int __init ocfs2_init(void)
init_waitqueue_head(&ocfs2__ioend_wq[i]);
status = init_ocfs2_uptodate_cache();
- if (status < 0) {
- mlog_errno(status);
- goto leave;
- }
+ if (status < 0)
+ goto out1;
status = ocfs2_initialize_mem_caches();
- if (status < 0) {
- mlog_errno(status);
- goto leave;
- }
+ if (status < 0)
+ goto out2;
ocfs2_wq = create_singlethread_workqueue("ocfs2_wq");
if (!ocfs2_wq) {
status = -ENOMEM;
- goto leave;
+ goto out3;
}
ocfs2_debugfs_root = debugfs_create_dir("ocfs2", NULL);
@@ -1650,17 +1646,23 @@ static int __init ocfs2_init(void)
ocfs2_set_locking_protocol();
status = register_quota_format(&ocfs2_quota_format);
-leave:
- if (status < 0) {
- ocfs2_free_mem_caches();
- exit_ocfs2_uptodate_cache();
- mlog_errno(status);
- }
+ if (status < 0)
+ goto out4;
+ status = register_filesystem(&ocfs2_fs_type);
+ if (!status)
+ return 0;
- if (status >= 0) {
- return register_filesystem(&ocfs2_fs_type);
- } else
- return -1;
+ unregister_quota_format(&ocfs2_quota_format);
+out4:
+ destroy_workqueue(ocfs2_wq);
+ debugfs_remove(ocfs2_debugfs_root);
+out3:
+ ocfs2_free_mem_caches();
+out2:
+ exit_ocfs2_uptodate_cache();
+out1:
+ mlog_errno(status);
+ return status;
}
static void __exit ocfs2_exit(void)