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| author |   Younger Liu <liuyiyang@hisense.com> | 2013-12-03 20:11:46 +0800 |
|---|---|---|
| committer |   Jaegeuk Kim <jaegeuk.kim@samsung.com> | 2013-12-23 10:18:05 +0900 |
| commit | c524723ebf5794083819c25320802452fe06da18 (patch) | |
| tree | 8ba48f96190478e6aea1946effbf5d10b09b72e1 /fs/f2fs | |
| parent | f2fs: readahead contiguous pages for restore_node_summary (diff) | |
| download | linux-dev-c524723ebf5794083819c25320802452fe06da18.tar.xz linux-dev-c524723ebf5794083819c25320802452fe06da18.zip | |
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>
Diffstat (limited to 'fs/f2fs')
| -rw-r--r-- | fs/f2fs/debug.c | 24 |
1 files 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; } |