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Remove the unused mutex since r273220.

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MFC after:	1 week
Sponsored by:	Rubicon Communications, LLC (Netgate)
This commit is contained in:
Luiz Otavio O Souza 2017-07-28 04:41:57 +00:00
parent 1e16346226
commit f227f64a64
1 changed files with 0 additions and 7 deletions
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7
sys/net/if_stf.c
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@ -139,7 +139,6 @@ SYSCTL_INT(_net_link_stf, OID_AUTO, permit_rfc1918, CTLFLAG_RWTUN,
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, size_t len, caddr_t params)
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 *ifp)
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);