From: Jaegeuk Kim <jaegeuk@kernel.org>
Date: Fri, 27 May 2016 17:10:41 +0000 (-0700)
Subject: f2fs: return error of f2fs_lookup
X-Git-Url: http://drtracing.org/?a=commitdiff_plain;h=eb4246dc12da4a0369a91c10c2dfe8e2b0955818;p=deliverable%2Flinux.git

f2fs: return error of f2fs_lookup

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

Suggested-by: He YunLei <heyunlei@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
---

diff --git a/fs/f2fs/dir.c b/fs/f2fs/dir.c
index ae37543f3840..6fbb1ed182f6 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 3f6119e94a78..78efe00a3a2f 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);