There are other code paths that may interrupt the read in the middle
and bypass stop. It's safer this way.
Signed-off-by: Glauber Costa <glauber@scylladb.com>
Message-Id: <8c32ca2777ce2f44462d141fd582848ac7cf832d.1479477360.git.glauber@scylladb.com>
(cherry picked from commit 60b7d35f15)