1*0Sstevel@tonic-gate /*
2*0Sstevel@tonic-gate * CDDL HEADER START
3*0Sstevel@tonic-gate *
4*0Sstevel@tonic-gate * The contents of this file are subject to the terms of the
5*0Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only
6*0Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance
7*0Sstevel@tonic-gate * with the License.
8*0Sstevel@tonic-gate *
9*0Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10*0Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing.
11*0Sstevel@tonic-gate * See the License for the specific language governing permissions
12*0Sstevel@tonic-gate * and limitations under the License.
13*0Sstevel@tonic-gate *
14*0Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each
15*0Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16*0Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the
17*0Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying
18*0Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner]
19*0Sstevel@tonic-gate *
20*0Sstevel@tonic-gate * CDDL HEADER END
21*0Sstevel@tonic-gate */
22*0Sstevel@tonic-gate /*
23*0Sstevel@tonic-gate * Copyright 1997 Sun Microsystems, Inc. All rights reserved.
24*0Sstevel@tonic-gate * Use is subject to license terms.
25*0Sstevel@tonic-gate */
26*0Sstevel@tonic-gate
27*0Sstevel@tonic-gate /* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
28*0Sstevel@tonic-gate /* All Rights Reserved */
29*0Sstevel@tonic-gate
30*0Sstevel@tonic-gate /*
31*0Sstevel@tonic-gate * University Copyright- Copyright (c) 1982, 1986, 1988
32*0Sstevel@tonic-gate * The Regents of the University of California
33*0Sstevel@tonic-gate * All Rights Reserved
34*0Sstevel@tonic-gate *
35*0Sstevel@tonic-gate * University Acknowledgment- Portions of this document are derived from
36*0Sstevel@tonic-gate * software developed by the University of California, Berkeley, and its
37*0Sstevel@tonic-gate * contributors.
38*0Sstevel@tonic-gate */
39*0Sstevel@tonic-gate
40*0Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI"
41*0Sstevel@tonic-gate
42*0Sstevel@tonic-gate /*
43*0Sstevel@tonic-gate * Free the specified kernel tli data structure.
44*0Sstevel@tonic-gate *
45*0Sstevel@tonic-gate * Returns:
46*0Sstevel@tonic-gate * 0 on success or
47*0Sstevel@tonic-gate * positive error code.
48*0Sstevel@tonic-gate */
49*0Sstevel@tonic-gate
50*0Sstevel@tonic-gate #include <sys/param.h>
51*0Sstevel@tonic-gate #include <sys/types.h>
52*0Sstevel@tonic-gate #include <sys/user.h>
53*0Sstevel@tonic-gate #include <sys/stream.h>
54*0Sstevel@tonic-gate #include <sys/ioctl.h>
55*0Sstevel@tonic-gate #include <sys/file.h>
56*0Sstevel@tonic-gate #include <sys/stropts.h>
57*0Sstevel@tonic-gate #include <sys/tihdr.h>
58*0Sstevel@tonic-gate #include <sys/timod.h>
59*0Sstevel@tonic-gate #include <sys/tiuser.h>
60*0Sstevel@tonic-gate #include <sys/errno.h>
61*0Sstevel@tonic-gate #include <sys/t_kuser.h>
62*0Sstevel@tonic-gate #include <sys/kmem.h>
63*0Sstevel@tonic-gate
64*0Sstevel@tonic-gate
65*0Sstevel@tonic-gate /*ARGSUSED*/
66*0Sstevel@tonic-gate int
t_kfree(TIUSER * tiptr,char * ptr,int struct_type)67*0Sstevel@tonic-gate t_kfree(TIUSER *tiptr, char *ptr, int struct_type)
68*0Sstevel@tonic-gate {
69*0Sstevel@tonic-gate union structptrs {
70*0Sstevel@tonic-gate struct t_bind *bind;
71*0Sstevel@tonic-gate struct t_call *call;
72*0Sstevel@tonic-gate struct t_discon *dis;
73*0Sstevel@tonic-gate struct t_optmgmt *opt;
74*0Sstevel@tonic-gate struct t_kunitdata *udata;
75*0Sstevel@tonic-gate struct t_uderr *uderr;
76*0Sstevel@tonic-gate } p;
77*0Sstevel@tonic-gate int error = 0;
78*0Sstevel@tonic-gate
79*0Sstevel@tonic-gate /*
80*0Sstevel@tonic-gate * Free all the buffers associated with the appropriate
81*0Sstevel@tonic-gate * fields of each structure.
82*0Sstevel@tonic-gate */
83*0Sstevel@tonic-gate
84*0Sstevel@tonic-gate switch (struct_type) {
85*0Sstevel@tonic-gate case T_BIND:
86*0Sstevel@tonic-gate /* LINTED pointer alignment */
87*0Sstevel@tonic-gate p.bind = (struct t_bind *)ptr;
88*0Sstevel@tonic-gate if (p.bind->addr.buf != NULL)
89*0Sstevel@tonic-gate kmem_free(p.bind->addr.buf, p.bind->addr.maxlen);
90*0Sstevel@tonic-gate kmem_free(ptr, sizeof (struct t_bind));
91*0Sstevel@tonic-gate break;
92*0Sstevel@tonic-gate
93*0Sstevel@tonic-gate case T_CALL:
94*0Sstevel@tonic-gate /* LINTED pointer alignment */
95*0Sstevel@tonic-gate p.call = (struct t_call *)ptr;
96*0Sstevel@tonic-gate if (p.call->addr.buf != NULL)
97*0Sstevel@tonic-gate kmem_free(p.call->addr.buf, p.call->addr.maxlen);
98*0Sstevel@tonic-gate if (p.call->opt.buf != NULL)
99*0Sstevel@tonic-gate kmem_free(p.call->opt.buf, p.call->opt.maxlen);
100*0Sstevel@tonic-gate if (p.call->udata.buf != NULL)
101*0Sstevel@tonic-gate kmem_free(p.call->udata.buf, p.call->udata.maxlen);
102*0Sstevel@tonic-gate kmem_free(ptr, sizeof (struct t_call));
103*0Sstevel@tonic-gate break;
104*0Sstevel@tonic-gate
105*0Sstevel@tonic-gate case T_OPTMGMT:
106*0Sstevel@tonic-gate /* LINTED pointer alignment */
107*0Sstevel@tonic-gate p.opt = (struct t_optmgmt *)ptr;
108*0Sstevel@tonic-gate if (p.opt->opt.buf != NULL)
109*0Sstevel@tonic-gate kmem_free(p.opt->opt.buf, p.opt->opt.maxlen);
110*0Sstevel@tonic-gate kmem_free(ptr, sizeof (struct t_optmgmt));
111*0Sstevel@tonic-gate break;
112*0Sstevel@tonic-gate
113*0Sstevel@tonic-gate case T_DIS:
114*0Sstevel@tonic-gate /* LINTED pointer alignment */
115*0Sstevel@tonic-gate p.dis = (struct t_discon *)ptr;
116*0Sstevel@tonic-gate if (p.dis->udata.buf != NULL)
117*0Sstevel@tonic-gate kmem_free(p.dis->udata.buf, p.dis->udata.maxlen);
118*0Sstevel@tonic-gate kmem_free(ptr, sizeof (struct t_discon));
119*0Sstevel@tonic-gate break;
120*0Sstevel@tonic-gate
121*0Sstevel@tonic-gate case T_UNITDATA:
122*0Sstevel@tonic-gate /* LINTED pointer alignment */
123*0Sstevel@tonic-gate p.udata = (struct t_kunitdata *)ptr;
124*0Sstevel@tonic-gate
125*0Sstevel@tonic-gate if (p.udata->udata.udata_mp) {
126*0Sstevel@tonic-gate KTLILOG(2, "t_kfree: freeing mblk_t %x, ",
127*0Sstevel@tonic-gate p.udata->udata.udata_mp);
128*0Sstevel@tonic-gate KTLILOG(2, "ref %d\n",
129*0Sstevel@tonic-gate p.udata->udata.udata_mp->b_datap->db_ref);
130*0Sstevel@tonic-gate freemsg(p.udata->udata.udata_mp);
131*0Sstevel@tonic-gate }
132*0Sstevel@tonic-gate if (p.udata->opt.buf != NULL)
133*0Sstevel@tonic-gate kmem_free(p.udata->opt.buf, p.udata->opt.maxlen);
134*0Sstevel@tonic-gate if (p.udata->addr.buf != NULL) {
135*0Sstevel@tonic-gate KTLILOG(2, "t_kfree: freeing address %x, ",
136*0Sstevel@tonic-gate p.udata->addr.buf);
137*0Sstevel@tonic-gate KTLILOG(2, "len %d\n", p.udata->addr.maxlen);
138*0Sstevel@tonic-gate kmem_free(p.udata->addr.buf, p.udata->addr.maxlen);
139*0Sstevel@tonic-gate }
140*0Sstevel@tonic-gate KTLILOG(2, "t_kfree: freeing t_kunitdata\n", 0);
141*0Sstevel@tonic-gate kmem_free(ptr, sizeof (struct t_kunitdata));
142*0Sstevel@tonic-gate break;
143*0Sstevel@tonic-gate
144*0Sstevel@tonic-gate case T_UDERROR:
145*0Sstevel@tonic-gate /* LINTED pointer alignment */
146*0Sstevel@tonic-gate p.uderr = (struct t_uderr *)ptr;
147*0Sstevel@tonic-gate if (p.uderr->addr.buf != NULL)
148*0Sstevel@tonic-gate kmem_free(p.uderr->addr.buf, p.uderr->addr.maxlen);
149*0Sstevel@tonic-gate if (p.uderr->opt.buf != NULL)
150*0Sstevel@tonic-gate kmem_free(p.uderr->opt.buf, p.uderr->opt.maxlen);
151*0Sstevel@tonic-gate kmem_free(ptr, sizeof (struct t_uderr));
152*0Sstevel@tonic-gate break;
153*0Sstevel@tonic-gate
154*0Sstevel@tonic-gate case T_INFO:
155*0Sstevel@tonic-gate break;
156*0Sstevel@tonic-gate
157*0Sstevel@tonic-gate default:
158*0Sstevel@tonic-gate error = EINVAL;
159*0Sstevel@tonic-gate break;
160*0Sstevel@tonic-gate }
161*0Sstevel@tonic-gate
162*0Sstevel@tonic-gate return (error);
163*0Sstevel@tonic-gate }
164