From: Jeff Layton <jlayton@kernel.org>
Date: Mon, 14 Oct 2019 15:41:54 -0400
Subject: ceph: don't leave ino field in ceph_mds_request_head uninitialized
Git-commit: 2def865a81c23f088140f00beb8e76cbde5b6f95
Patch-mainline: v5.5-rc1
References: jsc#SES-1134

We currently just pass junk in this field unless we're retransmitting a
create, but in later patches, we'll need a mechanism to pass a delegated
inode number on an initial create request. Prepare for this by ensuring
this field is zeroed out.

Signed-off-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
Acked-by: Luis Henriques <lhenriques@suse.com>
---
 fs/ceph/mds_client.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/fs/ceph/mds_client.c b/fs/ceph/mds_client.c
index dd08d480e18f..068b029cf073 100644
--- a/fs/ceph/mds_client.c
+++ b/fs/ceph/mds_client.c
@@ -2349,6 +2349,7 @@ static struct ceph_msg *create_request_message(struct ceph_mds_client *mdsc,
 	head->op = cpu_to_le32(req->r_op);
 	head->caller_uid = cpu_to_le32(from_kuid(&init_user_ns, req->r_uid));
 	head->caller_gid = cpu_to_le32(from_kgid(&init_user_ns, req->r_gid));
+	head->ino = 0;
 	head->args = req->r_args;
 
 	ceph_encode_filepath(&p, end, ino1, path1);