diff options
| author | Christoph Hellwig | 2016-02-26 18:53:12 +0100 |
|---|---|---|
| committer | Al Viro | 2016-02-27 19:15:51 -0500 |
| commit | 0fcbf996d848d03573113d83f4e3fb3bcfa5ab5e (patch) | |
| tree | 4c338e97a056ce9eb6b6e55c126eca47640ba624 | |
| parent | b6853f78e763d42c7a158d8de3549c9827c604ab (diff) | |
fs: return -EOPNOTSUPP if clone is not supported
-EBADF is a rather confusing error if an operations is not supported,
and nfsd gets rather upset about it.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
| -rw-r--r-- | fs/read_write.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/fs/read_write.c b/fs/read_write.c index 0c8782aa3d71..dadf24e5c95b 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; |