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ocfs2: fix leaks on failure exits in module_init 

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2012-03-17 22:03:58 -04:00
parent 0794f569ec
commit 342827d7d1
1 changed files with 21 additions and 19 deletions
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40
fs/ocfs2/super.c
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@ -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)