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authorMiklos Szeredi <mszeredi@suse.cz>2015-02-26 11:45:47 +0100
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2015-03-26 13:59:39 +0100
commitec1b2f10f52ad6446247b1b24bb7d357a320a8e2 (patch)
tree1653f2287b53fc96255166cb86ef1c4b57d13ceb /fs
parentac29982167d67ca5853ebfa4cc9cd8e08b2382a1 (diff)
fuse: notify: don't move pages
commit 0d2783626a53d4c922f82d51fa675cb5d13f0d36 upstream. 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> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'fs')
-rw-r--r--fs/fuse/dev.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/fs/fuse/dev.c b/fs/fuse/dev.c
index 816086d5f116..71c4619af333 100644
--- a/fs/fuse/dev.c
+++ b/fs/fuse/dev.c
@@ -1797,6 +1797,9 @@ copy_finish:
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);