[src/trunk]: src/sys/net Use container_of rather than casts via void *.

[riastradh <riastradh%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/57fd99a844fe
branches:  trunk
changeset: 1013087:57fd99a844fe
user:      riastradh <riastradh%NetBSD.org@localhost>
date:      Thu Aug 20 21:35:24 2020 +0000

description:
Use container_of rather than casts via void *.

diffstat:

 sys/net/if_wg.c |  10 +++++-----
 1 files changed, 5 insertions(+), 5 deletions(-)

diffs (45 lines):

diff -r ca9acd21e5d4 -r 57fd99a844fe sys/net/if_wg.c
--- a/sys/net/if_wg.c   Thu Aug 20 21:35:13 2020 +0000
+++ b/sys/net/if_wg.c   Thu Aug 20 21:35:24 2020 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: if_wg.c,v 1.15 2020/08/20 21:35:13 riastradh Exp $     */
+/*     $NetBSD: if_wg.c,v 1.16 2020/08/20 21:35:24 riastradh Exp $     */
 
 /*
  * Copyright (C) Ryota Ozaki <ozaki.ryota%gmail.com@localhost>
@@ -43,7 +43,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: if_wg.c,v 1.15 2020/08/20 21:35:13 riastradh Exp $");
+__KERNEL_RCSID(0, "$NetBSD: if_wg.c,v 1.16 2020/08/20 21:35:24 riastradh Exp $");
 
 #ifdef _KERNEL_OPT
 #include "opt_inet.h"
@@ -3012,7 +3012,7 @@
 static void
 wg_peer_softint(void *arg)
 {
-       struct wg_peer *wgp = (struct wg_peer *)arg;
+       struct wg_peer *wgp = arg;
        struct wg_session *wgs;
        struct mbuf *m;
        struct psref psref;
@@ -3355,7 +3355,7 @@
 static int
 wg_clone_destroy(struct ifnet *ifp)
 {
-       struct wg_softc *wg = (void *) ifp;
+       struct wg_softc *wg = container_of(ifp, struct wg_softc, wg_if);
 
        mutex_enter(&wg_softcs.lock);
        LIST_REMOVE(wg, wg_list);
@@ -3413,7 +3413,7 @@
 
        WG_TRACE("success");
 
-       wga = (struct wg_allowedip *)rn;
+       wga = container_of(rn, struct wg_allowedip, wga_nodes[0]);
        wgp = wga->wga_peer;
        wg_get_peer(wgp, psref);