fuse: notify: don't move pages

fuse_try_move_page() is not prepared for replacing pages that have already
been read.

Reported-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Miklos Szeredi <mszeredi@suse.cz>
Cc: stable@vger.kernel.org
This commit is contained in:
Miklos Szeredi 2015-02-26 11:45:47 +01:00
parent c517d838eb
commit 0d2783626a

View file

@ -1797,6 +1797,9 @@ static int fuse_notify_retrieve(struct fuse_conn *fc, unsigned int size,
static int fuse_notify(struct fuse_conn *fc, enum fuse_notify_code code,
unsigned int size, struct fuse_copy_state *cs)
{
/* Don't try to move pages (yet) */
cs->move_pages = 0;
switch (code) {
case FUSE_NOTIFY_POLL:
return fuse_notify_poll(fc, size, cs);