Commit aef8acd7 authored by Amir Goldstein's avatar Amir Goldstein Committed by Miklos Szeredi
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fuse: verify zero padding in fuse_backing_map 



To allow us extending the interface in the future.

Fixes: 44350256 ("fuse: implement ioctls to manage backing files")
Signed-off-by: default avatarAmir Goldstein <amir73il@gmail.com>
Signed-off-by: default avatarMiklos Szeredi <mszeredi@redhat.com>
parent ed30a4a5

fs/fuse/passthrough.c

+1 −1
Original line number Diff line number Diff line
@@ -225,7 +225,7 @@ int fuse_backing_open(struct fuse_conn *fc, struct fuse_backing_map *map) 
		goto out;



	res = -EINVAL;

	if (map->flags)

	if (map->flags || map->padding)

		goto out;



	file = fget(map->fd);