From c524723ebf5794083819c25320802452fe06da18 Mon Sep 17 00:00:00 2001 From: Younger Liu Date: Tue, 3 Dec 2013 20:11:46 +0800 Subject: 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 Cc: Younger Liu Cc: Jaegeuk Kim Reviewed-by: Chao Yu Signed-off-by: Jaegeuk Kim --- fs/f2fs/debug.c | 24 +++++++++++++++++++++--- 1 file changed, 21 insertions(+), 3 deletions(-) diff --git a/fs/f2fs/debug.c b/fs/f2fs/debug.c index a84b0a8e6854..b51fb3c2a8e0 100644 --- a/fs/f2fs/debug.c +++ b/fs/f2fs/debug.c @@ -340,14 +340,32 @@ void f2fs_destroy_stats(struct f2fs_sb_info *sbi) 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; } -- cgit v1.2.3-58-ga151