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f2fs: remove debufs dir if debugfs_create_file() failed

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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>
This commit is contained in:
Younger Liu 2013-12-03 20:11:46 +08:00 committed by Jaegeuk Kim
parent 9af0ff1c52
commit c524723ebf
1 changed files with 21 additions and 3 deletions
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24
fs/f2fs/debug.c
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@ -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;
}