Author: loos
Date: Fri Jul 28 04:41:57 2017
New Revision: 321649
URL: https://svnweb.freebsd.org/changeset/base/321649
Log:
Remove the unused mutex since r273220.
MFC after: 1 week
Sponsored by: Rubicon Communications, LLC (Netgate)
Modified:
head/sys/net/if_stf.c
Modified: head/sys/net/if_stf.c
==============================================================================
--- head/sys/net/if_stf.c Fri Jul 28 03:33:09 2017 (r321648)
+++ head/sys/net/if_stf.c Fri Jul 28 04:41:57 2017 (r321649)
@@ -139,7 +139,6 @@ SYSCTL_INT(_net_link_stf, OID_AUTO, permit_rfc1918, CT
struct stf_softc {
struct ifnet *sc_ifp;
- struct mtx sc_ro_mtx;
u_int sc_fibnum;
const struct encaptab *encap_cookie;
};
@@ -147,10 +146,6 @@ struct stf_softc {
static const char stfname[] = "stf";
-/*
- * Note that mutable fields in the softc are not currently locked.
- * We do lock sc_ro in stf_output though.
- */
static MALLOC_DEFINE(M_STF, stfname, "6to4 Tunnel Interface");
static const int ip_stf_ttl = 40;
@@ -253,7 +248,6 @@ stf_clone_create(struct if_clone *ifc, char *name, siz
ifp->if_dname = stfname;
ifp->if_dunit = IF_DUNIT_NONE;
- mtx_init(&(sc)->sc_ro_mtx, "stf ro", NULL, MTX_DEF);
sc->encap_cookie = encap_attach_func(AF_INET, IPPROTO_IPV6,
stf_encapcheck, &in_stf_protosw, sc);
if (sc->encap_cookie == NULL) {
@@ -280,7 +274,6 @@ stf_clone_destroy(struct if_clone *ifc, struct ifnet *
err = encap_detach(sc->encap_cookie);
KASSERT(err == 0, ("Unexpected error detaching encap_cookie"));
- mtx_destroy(&(sc)->sc_ro_mtx);
bpfdetach(ifp);
if_detach(ifp);
if_free(ifp);
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