f2fs: fix to report error in f2fs_readdir

get_lock_data_page in f2fs_readdir can fail due to a lot of reasons (i.e.
no memory or IO error...), it's better to report this kind of error to
user rather than ignoring it.

Signed-off-by: Chao Yu <chao2.yu@samsung.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>

1 files changed, 7 insertions, 2 deletions

diff --git a/fs/f2fs/dir.c b/fs/f2fs/dir.c
index 7c1678ba8f92..9de898d2ddff 100644
--- a/fs/f2fs/dir.c
+++ b/fs/f2fs/dir.c
@@ -855,8 +855,13 @@ static int f2fs_readdir(struct file *file, struct dir_context *ctx)
 
         for (; n < npages; n++) {
                 dentry_page = get_lock_data_page(inode, n, false);
-                if (IS_ERR(dentry_page))
-                        continue;
+                if (IS_ERR(dentry_page)) {
+                        err = PTR_ERR(dentry_page);
+                        if (err == -ENOENT)
+                                continue;
+                        else
+                                goto out;
+                }
 
                 dentry_blk = kmap(dentry_page);