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-rw-r--r--net/ceph/messenger.c15
1 files changed, 9 insertions, 6 deletions
diff --git a/net/ceph/messenger.c b/net/ceph/messenger.c
index 3661cdd927f1..7e71b0df1fbc 100644
--- a/net/ceph/messenger.c
+++ b/net/ceph/messenger.c
@@ -2058,6 +2058,8 @@ static int process_connect(struct ceph_connection *con)
dout("process_connect on %p tag %d\n", con, (int)con->in_tag);
if (con->auth) {
+ int len = le32_to_cpu(con->in_reply.authorizer_len);
+
/*
* Any connection that defines ->get_authorizer()
* should also define ->add_authorizer_challenge() and
@@ -2067,8 +2069,7 @@ static int process_connect(struct ceph_connection *con)
*/
if (con->in_reply.tag == CEPH_MSGR_TAG_CHALLENGE_AUTHORIZER) {
ret = con->ops->add_authorizer_challenge(
- con, con->auth->authorizer_reply_buf,
- le32_to_cpu(con->in_reply.authorizer_len));
+ con, con->auth->authorizer_reply_buf, len);
if (ret < 0)
return ret;
@@ -2078,10 +2079,12 @@ static int process_connect(struct ceph_connection *con)
return 0;
}
- ret = con->ops->verify_authorizer_reply(con);
- if (ret < 0) {
- con->error_msg = "bad authorize reply";
- return ret;
+ if (len) {
+ ret = con->ops->verify_authorizer_reply(con);
+ if (ret < 0) {
+ con->error_msg = "bad authorize reply";
+ return ret;
+ }
}
}