From fe8494bfc8c2914fca821d4ae994aef039be5cf1 Mon Sep 17 00:00:00 2001 From: Chao Yu Date: Thu, 4 Aug 2016 20:13:02 +0800 Subject: [PATCH] f2fs: allow copying file range only in between regular files Only if two input files are regular files, we allow copying data in range of them, otherwise, deny it. Signed-off-by: Chao Yu Signed-off-by: Jaegeuk Kim --- fs/f2fs/file.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c index 0e493f63ea41..685e629f768b 100644 --- a/fs/f2fs/file.c +++ b/fs/f2fs/file.c @@ -2086,8 +2086,8 @@ static int f2fs_move_file_range(struct file *file_in, loff_t pos_in, if (unlikely(f2fs_readonly(src->i_sb))) return -EROFS; - if (S_ISDIR(src->i_mode) || S_ISDIR(dst->i_mode)) - return -EISDIR; + if (!S_ISREG(src->i_mode) || !S_ISREG(dst->i_mode)) + return -EINVAL; if (f2fs_encrypted_inode(src) || f2fs_encrypted_inode(dst)) return -EOPNOTSUPP; -- 2.20.1