tree bc41ab9d2de82b5aedf85216eacdadd61b44d770
parent bd86e32059526e2d0d13ca1e4447dfbbddb6e5cc
author Milan Broz <gmazyland@gmail.com> 1505310356 +0200
committer Mike Snitzer <snitzer@redhat.com> 1507128598 -0400

dm crypt: reject sector_size feature if device length is not aligned to it

If a crypt mapping uses optional sector_size feature, additional
restrictions to mapped device segment size must be applied in
constructor, otherwise the device activation will fail later.

Fixes: 8f0009a225 ("dm crypt: optionally support larger encryption sector size")
Cc: stable@vger.kernel.org # 4.12+
Signed-off-by: Milan Broz <gmazyland@gmail.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>