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authorZhao Hongjiang <zhaohongjiang@huawei.com>2013-08-20 16:49:51 +0800
committerJaegeuk Kim <jaegeuk.kim@samsung.com>2013-08-20 18:58:44 +0900
commit9890ff3f23ed78c63611f661006cd5ae38550f44 (patch)
treea3c542503c09e8cdf65112a57572adbde638f688 /fs/f2fs
parent7b40527508670e56d817b837b2114bc340446539 (diff)
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>
Diffstat (limited to 'fs/f2fs')
-rw-r--r--fs/f2fs/super.c22
1 files changed, 17 insertions, 5 deletions
diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c
index 1d12e60c00d..9e51e4fc00a 100644
--- a/fs/f2fs/super.c
+++ b/fs/f2fs/super.c
@@ -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;
}