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-rw-r--r--net/ceph/messenger.c11
1 files changed, 6 insertions, 5 deletions
diff --git a/net/ceph/messenger.c b/net/ceph/messenger.c
index b140dd3515de..ce326c806237 100644
--- a/net/ceph/messenger.c
+++ b/net/ceph/messenger.c
@@ -619,11 +619,12 @@ static int prepare_connect_authorizer(struct ceph_connection *con)
con->out_connect.authorizer_protocol = cpu_to_le32(auth_protocol);
con->out_connect.authorizer_len = cpu_to_le32(auth_len);
- con->out_kvec[con->out_kvec_left].iov_base = auth_buf;
- con->out_kvec[con->out_kvec_left].iov_len = auth_len;
- con->out_kvec_left++;
- con->out_kvec_bytes += auth_len;
-
+ if (auth_len) {
+ con->out_kvec[con->out_kvec_left].iov_base = auth_buf;
+ con->out_kvec[con->out_kvec_left].iov_len = auth_len;
+ con->out_kvec_left++;
+ con->out_kvec_bytes += auth_len;
+ }
return 0;
}