LU-12616 obclass: fix MDS start/stop race

[fs/lustre-release.git] / lustre / ldlm / ldlm_lib.c

diff --git a/lustre/ldlm/ldlm_lib.c b/lustre/ldlm/ldlm_lib.c
index ebe3f33..ddc3715 100644 (file)
--- a/lustre/ldlm/ldlm_lib.c
+++ b/lustre/ldlm/ldlm_lib.c
@@ -413,7 +413,9 @@ int client_obd_setup(struct obd_device *obddev, struct lustre_cfg *lcfg)
        init_waitqueue_head(&cli->cl_destroy_waitq);
        atomic_set(&cli->cl_destroy_in_flight, 0);
 
+
        cli->cl_supp_cksum_types = OBD_CKSUM_CRC32;
+       cli->cl_preferred_cksum_type = 0;
 #ifdef ENABLE_CHECKSUM
        /* Turn on checksumming by default. */
        cli->cl_checksum = 1;
@@ -1085,6 +1087,8 @@ int target_handle_connect(struct ptlrpc_request *req)
 
        size = req_capsule_get_size(&req->rq_pill, &RMF_CONNECT_DATA,
                                    RCL_CLIENT);
+       if (size < 0 || size > 8 * sizeof(struct obd_connect_data))
+               GOTO(out, rc = -EPROTO);
        data = req_capsule_client_get(&req->rq_pill, &RMF_CONNECT_DATA);
        if (!data)
                GOTO(out, rc = -EPROTO);