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(parent: 0ce267f) | patch
fuse: fix fuse_write_end() if zero bytes were copied
authorMiklos Szeredi <mszeredi@redhat.com>
Thu, 18 Aug 2016 07:10:44 +0000 (09:10 +0200)
committerMiklos Szeredi <mszeredi@redhat.com>
Tue, 15 Nov 2016 11:34:21 +0000 (12:34 +0100)
commit59c3b76cc61d1d676f965c192cc7969aa5cb2744
tree0958090c3fe9bd7d265cb46b02f04a9e4b2169bftree | snapshot (tar.gz zip)
parent0ce267ff95a0302cf6fb2a552833abbfb7861a43commit | 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>
fs/fuse/file.c diff | blob | blame | history