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authorLinus Torvalds <torvalds@linux-foundation.org>2019-02-21 09:43:37 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2019-02-21 09:43:37 -0800
commit8a61716ff2ab23eddd1f7a05a075a374e4d0c3d4 (patch)
treef9534a62abcc72668a934948206bc1446afc44a8 /net
parentd6622d913a637bce224f74425a9dfe734f946358 (diff)
parent04242ff3ac0abbaa4362f97781dac268e6c3541a (diff)
Merge tag 'ceph-for-5.0-rc8' of git://github.com/ceph/ceph-client
Pull ceph fixes from Ilya Dryomov: "Two bug fixes for old issues, both marked for stable" * tag 'ceph-for-5.0-rc8' of git://github.com/ceph/ceph-client: ceph: avoid repeatedly adding inode to mdsc->snap_flush_list libceph: handle an empty authorize reply
Diffstat (limited to 'net')
-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;
+ }
}
}