[PATCH next] nexthop: off by one in nexthop_mpath_select()

[Dan Carpenter]

The nhg->nh_entries[] array is allocated in nexthop_grp_alloc() and it
has nhg->num_nh elements so this check should be >= instead of >.

Fixes: f88d8ea67fbd ("ipv6: Plumb support for nexthop object in a fib6_info")
Signed-off-by: Dan Carpenter <dan.carpen...@oracle.com>
---
 include/net/nexthop.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/net/nexthop.h b/include/net/nexthop.h
index aff7b2410057..e019ed9b3dc3 100644
--- a/include/net/nexthop.h
+++ b/include/net/nexthop.h
@@ -160,7 +160,7 @@ struct nexthop *nexthop_mpath_select(const struct nexthop 
*nh, int nhsel)
        /* for_nexthops macros in fib_semantics.c grabs a pointer to
         * the nexthop before checking nhsel
         */
-       if (nhsel > nhg->num_nh)
+       if (nhsel >= nhg->num_nh)
                return NULL;
 
        return nhg->nh_entries[nhsel].nh;
-- 
2.20.1