drbd: add packet_type 27 (return_code_only) to netlink api

[karo-tx-linux.git] / drivers / block / drbd / drbd_nl.c

diff --git a/drivers/block/drbd/drbd_nl.c b/drivers/block/drbd/drbd_nl.c
index 80a389d24cdd4b1a0153f374f1d84411f3fad220..6a6dde6c51c6076bd5346d09a6addc6113aad8fc 100644 (file)
--- a/drivers/block/drbd/drbd_nl.c
+++ b/drivers/block/drbd/drbd_nl.c
@@ -2195,7 +2195,8 @@ static void drbd_connector_callback(struct cn_msg *req, struct netlink_skb_parms
                goto fail;
        }
 
-       if (nlp->packet_type >= P_nl_after_last_packet) {
+       if (nlp->packet_type >= P_nl_after_last_packet ||
+           nlp->packet_type == P_return_code_only) {
                retcode = ERR_PACKET_NR;
                goto fail;
        }
@@ -2219,7 +2220,7 @@ static void drbd_connector_callback(struct cn_msg *req, struct netlink_skb_parms
        reply = (struct drbd_nl_cfg_reply *) cn_reply->data;
 
        reply->packet_type =
-               cm->reply_body_size ? nlp->packet_type : P_nl_after_last_packet;
+               cm->reply_body_size ? nlp->packet_type : P_return_code_only;
        reply->minor = nlp->drbd_minor;
        reply->ret_code = NO_ERROR; /* Might by modified by cm->function. */
        /* reply->tag_list; might be modified by cm->function. */
@@ -2525,6 +2526,7 @@ void drbd_nl_send_reply(struct cn_msg *req, int ret_code)
        cn_reply->len = sizeof(struct drbd_nl_cfg_reply);
        cn_reply->flags = 0;
 
+       reply->packet_type = P_return_code_only;
        reply->minor = ((struct drbd_nl_cfg_req *)req->data)->drbd_minor;
        reply->ret_code = ret_code;