Commit 3b97a721b4 for frr

commit 3b97a721b48354777e10453b888848dba39a5adc
Author: Yeshvanth Raju Kurapati <yeshvanthraju.k@gmail.com>
Date:   Mon Oct 12 11:25:27 2026 -0500

    babeld: fix inverted interface check in send_request(NULL, ...)

    Signed-off-by: Yeshvanth Raju Kurapati <yeshvanthraju.k@gmail.com>

diff --git a/babeld/message.c b/babeld/message.c
index 47f8a8fca4..31aabed7f2 100644
--- a/babeld/message.c
+++ b/babeld/message.c
@@ -1903,7 +1903,7 @@ void send_request(struct interface *ifp, const unsigned char *prefix, unsigned c
 		struct vrf *vrf = vrf_lookup_by_id(VRF_DEFAULT);
 		struct interface *ifp_aux;
 		FOR_ALL_INTERFACES (vrf, ifp_aux) {
-			if (if_up(ifp_aux))
+			if (!if_up(ifp_aux))
 				continue;
 			send_request(ifp_aux, prefix, plen);
 		}