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f2fs: fix memory leak when init f2fs filesystem fail 

When any of the caches create fails in init_f2fs_fs(), the other caches which are
create successful should be free.

Signed-off-by: Zhao Hongjiang <zhaohongjiang@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>
This commit is contained in:
Zhao Hongjiang 2013-08-20 16:49:51 +08:00 committed by Jaegeuk Kim
parent 7b40527508
commit 9890ff3f23
1 changed files with 17 additions and 5 deletions
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22
fs/f2fs/super.c
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@ -1004,21 +1004,33 @@ static int __init init_f2fs_fs(void)
goto fail;
err = create_node_manager_caches();
if (err)
goto fail;
goto free_inodecache;
err = create_gc_caches();
if (err)
goto fail;
goto free_node_manager_caches;
err = create_checkpoint_caches();
if (err)
goto fail;
goto free_gc_caches;
f2fs_kset = kset_create_and_add("f2fs", NULL, fs_kobj);
if (!f2fs_kset)
goto fail;
goto free_checkpoint_caches;
err = register_filesystem(&f2fs_fs_type);
if (err)
goto fail;
goto free_kset;
f2fs_create_root_stats();
f2fs_proc_root = proc_mkdir("fs/f2fs", NULL);
return 0;
free_kset:
kset_unregister(f2fs_kset);
free_checkpoint_caches:
destroy_checkpoint_caches();
free_gc_caches:
destroy_gc_caches();
free_node_manager_caches:
destroy_node_manager_caches();
free_inodecache:
destroy_inodecache();
fail:
return err;
}