diff --git a/fs/read_write.c b/fs/read_write.c index 0c8782aa3d71364927b7e66f0237efb3c3aed772..dadf24e5c95bb7004d105f0773430576bfc57cf5 100644 --- a/fs/read_write.c +++ b/fs/read_write.c @@ -1533,10 +1533,12 @@ int vfs_clone_file_range(struct file *file_in, loff_t pos_in, if (!(file_in->f_mode & FMODE_READ) || !(file_out->f_mode & FMODE_WRITE) || - (file_out->f_flags & O_APPEND) || - !file_in->f_op->clone_file_range) + (file_out->f_flags & O_APPEND)) return -EBADF; + if (!file_in->f_op->clone_file_range) + return -EOPNOTSUPP; + ret = clone_verify_area(file_in, pos_in, len, false); if (ret) return ret;