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authorYounger Liu <liuyiyang@hisense.com>2013-12-03 13:11:46 +0100
committerJaegeuk Kim <jaegeuk.kim@samsung.com>2013-12-23 02:18:05 +0100
commitc524723ebf5794083819c25320802452fe06da18 (patch)
tree8ba48f96190478e6aea1946effbf5d10b09b72e1 /fs/f2fs/debug.c
parentf2fs: readahead contiguous pages for restore_node_summary (diff)
downloadlinux-c524723ebf5794083819c25320802452fe06da18.tar.xz
linux-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/debug.c')
-rw-r--r--fs/f2fs/debug.c24
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;
}