net/netdev: Fix best prefix in findby

When comparing with netmask, the best prefix len is netmask. Signed-off-by: Jiri Vlasak <jvlasak@elektroline.cz>
2026-05-25 18:27:56 +08:00 · 2026-01-08 11:47:46 +01:00
parent 45f6d86f37
commit 7fa4a7f3b4
1 changed files with 1 additions and 1 deletions
@@ -97,7 +97,7 @@ netdev_prefixlen_findby_lipv4addr(in_addr_t lipaddr, FAR int8_t *prefixlen)
              /* Its a match */

              bestdev  = dev;
-              bestpref = 32; /* Regard as best (exact) match */
+              bestpref = (int8_t)net_ipv4_mask2pref(dev->d_netmask);
              break;
            }
 #else