[PATCH 1/2] f2fs: return error of f2fs_lookup

From: Jaegeuk Kim
Date: Wed Jun 01 2016 - 19:34:32 EST


Now we can report an error to f2fs_lookup given by f2fs_find_entry.

Suggested-by: He YunLei <heyunlei@xxxxxxxxxx>
Signed-off-by: Jaegeuk Kim <jaegeuk@xxxxxxxxxx>
---
fs/f2fs/dir.c | 2 +-
fs/f2fs/namei.c | 5 ++++-
2 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/fs/f2fs/dir.c b/fs/f2fs/dir.c
index ae37543..6fbb1ed 100644
--- a/fs/f2fs/dir.c
+++ b/fs/f2fs/dir.c
@@ -230,7 +230,7 @@ struct f2fs_dir_entry *f2fs_find_entry(struct inode *dir,

err = fscrypt_setup_filename(dir, child, 1, &fname);
if (err) {
- *res_page = ERR_PTR(-ENOMEM);
+ *res_page = ERR_PTR(err);
return NULL;
}

diff --git a/fs/f2fs/namei.c b/fs/f2fs/namei.c
index 3f6119e..78efe00 100644
--- a/fs/f2fs/namei.c
+++ b/fs/f2fs/namei.c
@@ -287,8 +287,11 @@ static struct dentry *f2fs_lookup(struct inode *dir, struct dentry *dentry,
return ERR_PTR(-ENAMETOOLONG);

de = f2fs_find_entry(dir, &dentry->d_name, &page);
- if (!de)
+ if (!de) {
+ if (IS_ERR(page))
+ return (struct dentry *)page;
return d_splice_alias(inode, dentry);
+ }

ino = le32_to_cpu(de->ino);
f2fs_dentry_kunmap(dir, page);
--
2.6.3