[PATCH] libceph: kill ceph_none_authorizer::reply_buf

[Ilya Dryomov <idryomov@gmail.com>]

We never receive authorizer replies with cephx disabled, so it is
bogus.  Also, it still uses the old zero-length array style.

Reported-by: Gustavo A. R. Silva <gustavoars@kernel.org>
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
---
 net/ceph/auth_none.c | 4 ++--
 net/ceph/auth_none.h | 1 -
 2 files changed, 2 insertions(+), 3 deletions(-)

diff --git a/net/ceph/auth_none.c b/net/ceph/auth_none.c
index 70e86e462250..dbf22df10a85 100644
--- a/net/ceph/auth_none.c
+++ b/net/ceph/auth_none.c
@@ -111,8 +111,8 @@ static int ceph_auth_none_create_authorizer(
 	auth->authorizer = (struct ceph_authorizer *) au;
 	auth->authorizer_buf = au->buf;
 	auth->authorizer_buf_len = au->buf_len;
-	auth->authorizer_reply_buf = au->reply_buf;
-	auth->authorizer_reply_buf_len = sizeof (au->reply_buf);
+	auth->authorizer_reply_buf = NULL;
+	auth->authorizer_reply_buf_len = 0;
 
 	return 0;
 }
diff --git a/net/ceph/auth_none.h b/net/ceph/auth_none.h
index 4158f064302e..bb121539e796 100644
--- a/net/ceph/auth_none.h
+++ b/net/ceph/auth_none.h
@@ -16,7 +16,6 @@ struct ceph_none_authorizer {
 	struct ceph_authorizer base;
 	char buf[128];
 	int buf_len;
-	char reply_buf[0];
 };
 
 struct ceph_auth_none_info {
-- 
2.19.2