| commit | 59c3b76cc61d1d676f965c192cc7969aa5cb2744 | [log] [tgz] |
|---|---|---|
| author | Miklos Szeredi <mszeredi@redhat.com> | Thu Aug 18 09:10:44 2016 +0200 |
| committer | Miklos Szeredi <mszeredi@redhat.com> | Tue Nov 15 12:34:21 2016 +0100 |
| tree | 0958090c3fe9bd7d265cb46b02f04a9e4b2169bf | |
| parent | 0ce267ff95a0302cf6fb2a552833abbfb7861a43 [diff] |
fuse: fix fuse_write_end() if zero bytes were copied
If pos is at the beginning of a page and copied is zero then page is not
zeroed but is marked uptodate.
Fix by skipping everything except unlock/put of page if zero bytes were
copied.
Reported-by: Al Viro <viro@zeniv.linux.org.uk>
Fixes: 6b12c1b37e55 ("fuse: Implement write_begin/write_end callbacks")
Cc: <stable@vger.kernel.org> # v3.15+
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>