git: 12e25072a868 - stable/15 - route/fib_algo: Fix FIB_ALGO without ROUTE_MPATH option

The branch stable/15 has been updated by pouria:

URL: https://cgit.FreeBSD.org/src/commit/?id=12e25072a868d039f08509d39a40be3b714d3638

commit 12e25072a868d039f08509d39a40be3b714d3638
Author:     Pouria Mousavizadeh Tehrani <pouria@FreeBSD.org>
AuthorDate: 2026-10-08 14:42:57 +0000
Commit:     Pouria Mousavizadeh Tehrani <pouria@FreeBSD.org>
CommitDate: 2026-10-08 14:55:46 +0000

    route/fib_algo: Fix FIB_ALGO without ROUTE_MPATH option
    
    The ROUTE_MPATH compile option has been removed from CURRENT
    branch. Therefore, use the ROUTE_MPATH macro for nhgrp headers.
    
    PR:     299210
    Fixes:  891bda143f6b ("route/fib_algo: Fix nexthop index ...")
    Differential Revision:  https://reviews.freebsd.org/D59552
    
    (cherry picked from commit 63343822430453f4add20bcbfa134c99132361df)
---
 sys/net/route/fib_algo.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/sys/net/route/fib_algo.c b/sys/net/route/fib_algo.c
index e1014c3cf4c4..e61a966624c2 100644
--- a/sys/net/route/fib_algo.c
+++ b/sys/net/route/fib_algo.c
@@ -1821,9 +1821,10 @@ get_nhop_idx(struct nhop_object *nh)
 static uint8_t
 get_nhop_family(struct nhop_object *nh)
 {
-
+#ifdef ROUTE_MPATH
 	if (NH_IS_NHGRP(nh))
 		return (nhgrp_get_neigh_family((struct nhgrp_object *)nh));
+#endif
 
 	return (nhop_get_neigh_family(nh));
 }