zebra: Lookup up nlsock * one time in call tree

Code is looking up the nlsock to generate the batch messages
and then looking it up again to get the response.  Let's
just look it up one time.

Signed-off-by: Donald Sharp <sharpd@nvidia.com>

diff --git a/zebra/kernel_netlink.c b/zebra/kernel_netlink.c
index f0d44276881c4597c094ace1008cd6336c0e3b51..c98f1ce60c1e389ffcebfc805f01358d8453b130 100644 (file)
--- a/zebra/kernel_netlink.c
+++ b/zebra/kernel_netlink.c
@@ -1289,18 +1289,15 @@ int netlink_request(struct nlsock *nl, void *req)
        return 0;
 }
 
-static int nl_batch_read_resp(struct nl_batch *bth)
+static int nl_batch_read_resp(struct nl_batch *bth, struct nlsock *nl)
 {
        struct nlmsghdr *h;
        struct sockaddr_nl snl;
        struct msghdr msg = {};
        int status, seq;
-       struct nlsock *nl;
        struct zebra_dplane_ctx *ctx;
        bool ignore_msg;
 
-       nl = kernel_netlink_nlsock_lookup(bth->zns->sock);
-
        msg.msg_name = (void *)&snl;
        msg.msg_namelen = sizeof(snl);
 
@@ -1493,7 +1490,7 @@ static void nl_batch_send(struct nl_batch *bth)
                        err = true;
 
                if (!err) {
-                       if (nl_batch_read_resp(bth) == -1)
+                       if (nl_batch_read_resp(bth, nl) == -1)
                                err = true;
                }
        }