[PATCH 3.16 075/328] fuse: Add missed unlock_page() to fuse_readpages_fill()

Ben Hutchings
2018-12-09T22:05:45Z

From: Kirill Tkhai <ktkhai@virtuozzo.com>

commit 109728ccc5933151c68d1106e4065478a487a323 upstream.

The above error path returns with page unlocked, so this place seems also
to behave the same.

Fixes: f8dbdf81821b ("fuse: rework fuse_readpages()")
Signed-off-by: Kirill Tkhai <ktkhai@virtuozzo.com>
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
---
fs/fuse/file.c | 1 +
1 file changed, 1 insertion(+)

--- a/fs/fuse/file.c
+++ b/fs/fuse/file.c
@@ -911,6 +911,7 @@ static int fuse_readpages_fill(void *_da
}

if (WARN_ON(req->num_pages >= req->max_pages)) {
+ unlock_page(page);
fuse_put_request(fc, req);
return -EIO;
}