f2fs: remove debufs dir if debugfs_create_file() failed
When debugfs_create_file() failed in f2fs_create_root_stats(),
debugfs_root should be remove.
Signed-off-by: Younger Liu <liuyiyang@hisense.com>
Cc: Younger Liu <younger.liucn@gmail.com>
Cc: Jaegeuk Kim <jaegeuk.kim@samsung.com>
Reviewed-by: Chao Yu <chao2.yu@samsung.com>
Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>
diff --git a/fs/f2fs/debug.c b/fs/f2fs/debug.c
index a84b0a8..b51fb3c 100644
--- a/fs/f2fs/debug.c
+++ b/fs/f2fs/debug.c
@@ -340,14 +340,32 @@
void __init f2fs_create_root_stats(void)
{
+ struct dentry *file;
+
debugfs_root = debugfs_create_dir("f2fs", NULL);
- if (debugfs_root)
- debugfs_create_file("status", S_IRUGO, debugfs_root,
- NULL, &stat_fops);
+ if (!debugfs_root)
+ goto bail;
+
+ file = debugfs_create_file("status", S_IRUGO, debugfs_root,
+ NULL, &stat_fops);
+ if (!file)
+ goto free_debugfs_dir;
+
+ return;
+
+free_debugfs_dir:
+ debugfs_remove(debugfs_root);
+
+bail:
+ debugfs_root = NULL;
+ return;
}
void f2fs_destroy_root_stats(void)
{
+ if (!debugfs_root)
+ return;
+
debugfs_remove_recursive(debugfs_root);
debugfs_root = NULL;
}