1*7c478bd9Sstevel@tonic-gate /*
2*7c478bd9Sstevel@tonic-gate * CDDL HEADER START
3*7c478bd9Sstevel@tonic-gate *
4*7c478bd9Sstevel@tonic-gate * The contents of this file are subject to the terms of the
5*7c478bd9Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only
6*7c478bd9Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance
7*7c478bd9Sstevel@tonic-gate * with the License.
8*7c478bd9Sstevel@tonic-gate *
9*7c478bd9Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10*7c478bd9Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing.
11*7c478bd9Sstevel@tonic-gate * See the License for the specific language governing permissions
12*7c478bd9Sstevel@tonic-gate * and limitations under the License.
13*7c478bd9Sstevel@tonic-gate *
14*7c478bd9Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each
15*7c478bd9Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16*7c478bd9Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the
17*7c478bd9Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying
18*7c478bd9Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner]
19*7c478bd9Sstevel@tonic-gate *
20*7c478bd9Sstevel@tonic-gate * CDDL HEADER END
21*7c478bd9Sstevel@tonic-gate */
22*7c478bd9Sstevel@tonic-gate /*
23*7c478bd9Sstevel@tonic-gate * Copyright 1997 Sun Microsystems, Inc. All rights reserved.
24*7c478bd9Sstevel@tonic-gate * Use is subject to license terms.
25*7c478bd9Sstevel@tonic-gate */
26*7c478bd9Sstevel@tonic-gate
27*7c478bd9Sstevel@tonic-gate /* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
28*7c478bd9Sstevel@tonic-gate /* All Rights Reserved */
29*7c478bd9Sstevel@tonic-gate
30*7c478bd9Sstevel@tonic-gate /*
31*7c478bd9Sstevel@tonic-gate * University Copyright- Copyright (c) 1982, 1986, 1988
32*7c478bd9Sstevel@tonic-gate * The Regents of the University of California
33*7c478bd9Sstevel@tonic-gate * All Rights Reserved
34*7c478bd9Sstevel@tonic-gate *
35*7c478bd9Sstevel@tonic-gate * University Acknowledgment- Portions of this document are derived from
36*7c478bd9Sstevel@tonic-gate * software developed by the University of California, Berkeley, and its
37*7c478bd9Sstevel@tonic-gate * contributors.
38*7c478bd9Sstevel@tonic-gate */
39*7c478bd9Sstevel@tonic-gate
40*7c478bd9Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI"
41*7c478bd9Sstevel@tonic-gate
42*7c478bd9Sstevel@tonic-gate /*
43*7c478bd9Sstevel@tonic-gate * Free the specified kernel tli data structure.
44*7c478bd9Sstevel@tonic-gate *
45*7c478bd9Sstevel@tonic-gate * Returns:
46*7c478bd9Sstevel@tonic-gate * 0 on success or
47*7c478bd9Sstevel@tonic-gate * positive error code.
48*7c478bd9Sstevel@tonic-gate */
49*7c478bd9Sstevel@tonic-gate
50*7c478bd9Sstevel@tonic-gate #include <sys/param.h>
51*7c478bd9Sstevel@tonic-gate #include <sys/types.h>
52*7c478bd9Sstevel@tonic-gate #include <sys/user.h>
53*7c478bd9Sstevel@tonic-gate #include <sys/stream.h>
54*7c478bd9Sstevel@tonic-gate #include <sys/ioctl.h>
55*7c478bd9Sstevel@tonic-gate #include <sys/file.h>
56*7c478bd9Sstevel@tonic-gate #include <sys/stropts.h>
57*7c478bd9Sstevel@tonic-gate #include <sys/tihdr.h>
58*7c478bd9Sstevel@tonic-gate #include <sys/timod.h>
59*7c478bd9Sstevel@tonic-gate #include <sys/tiuser.h>
60*7c478bd9Sstevel@tonic-gate #include <sys/errno.h>
61*7c478bd9Sstevel@tonic-gate #include <sys/t_kuser.h>
62*7c478bd9Sstevel@tonic-gate #include <sys/kmem.h>
63*7c478bd9Sstevel@tonic-gate
64*7c478bd9Sstevel@tonic-gate
65*7c478bd9Sstevel@tonic-gate /*ARGSUSED*/
66*7c478bd9Sstevel@tonic-gate int
t_kfree(TIUSER * tiptr,char * ptr,int struct_type)67*7c478bd9Sstevel@tonic-gate t_kfree(TIUSER *tiptr, char *ptr, int struct_type)
68*7c478bd9Sstevel@tonic-gate {
69*7c478bd9Sstevel@tonic-gate union structptrs {
70*7c478bd9Sstevel@tonic-gate struct t_bind *bind;
71*7c478bd9Sstevel@tonic-gate struct t_call *call;
72*7c478bd9Sstevel@tonic-gate struct t_discon *dis;
73*7c478bd9Sstevel@tonic-gate struct t_optmgmt *opt;
74*7c478bd9Sstevel@tonic-gate struct t_kunitdata *udata;
75*7c478bd9Sstevel@tonic-gate struct t_uderr *uderr;
76*7c478bd9Sstevel@tonic-gate } p;
77*7c478bd9Sstevel@tonic-gate int error = 0;
78*7c478bd9Sstevel@tonic-gate
79*7c478bd9Sstevel@tonic-gate /*
80*7c478bd9Sstevel@tonic-gate * Free all the buffers associated with the appropriate
81*7c478bd9Sstevel@tonic-gate * fields of each structure.
82*7c478bd9Sstevel@tonic-gate */
83*7c478bd9Sstevel@tonic-gate
84*7c478bd9Sstevel@tonic-gate switch (struct_type) {
85*7c478bd9Sstevel@tonic-gate case T_BIND:
86*7c478bd9Sstevel@tonic-gate /* LINTED pointer alignment */
87*7c478bd9Sstevel@tonic-gate p.bind = (struct t_bind *)ptr;
88*7c478bd9Sstevel@tonic-gate if (p.bind->addr.buf != NULL)
89*7c478bd9Sstevel@tonic-gate kmem_free(p.bind->addr.buf, p.bind->addr.maxlen);
90*7c478bd9Sstevel@tonic-gate kmem_free(ptr, sizeof (struct t_bind));
91*7c478bd9Sstevel@tonic-gate break;
92*7c478bd9Sstevel@tonic-gate
93*7c478bd9Sstevel@tonic-gate case T_CALL:
94*7c478bd9Sstevel@tonic-gate /* LINTED pointer alignment */
95*7c478bd9Sstevel@tonic-gate p.call = (struct t_call *)ptr;
96*7c478bd9Sstevel@tonic-gate if (p.call->addr.buf != NULL)
97*7c478bd9Sstevel@tonic-gate kmem_free(p.call->addr.buf, p.call->addr.maxlen);
98*7c478bd9Sstevel@tonic-gate if (p.call->opt.buf != NULL)
99*7c478bd9Sstevel@tonic-gate kmem_free(p.call->opt.buf, p.call->opt.maxlen);
100*7c478bd9Sstevel@tonic-gate if (p.call->udata.buf != NULL)
101*7c478bd9Sstevel@tonic-gate kmem_free(p.call->udata.buf, p.call->udata.maxlen);
102*7c478bd9Sstevel@tonic-gate kmem_free(ptr, sizeof (struct t_call));
103*7c478bd9Sstevel@tonic-gate break;
104*7c478bd9Sstevel@tonic-gate
105*7c478bd9Sstevel@tonic-gate case T_OPTMGMT:
106*7c478bd9Sstevel@tonic-gate /* LINTED pointer alignment */
107*7c478bd9Sstevel@tonic-gate p.opt = (struct t_optmgmt *)ptr;
108*7c478bd9Sstevel@tonic-gate if (p.opt->opt.buf != NULL)
109*7c478bd9Sstevel@tonic-gate kmem_free(p.opt->opt.buf, p.opt->opt.maxlen);
110*7c478bd9Sstevel@tonic-gate kmem_free(ptr, sizeof (struct t_optmgmt));
111*7c478bd9Sstevel@tonic-gate break;
112*7c478bd9Sstevel@tonic-gate
113*7c478bd9Sstevel@tonic-gate case T_DIS:
114*7c478bd9Sstevel@tonic-gate /* LINTED pointer alignment */
115*7c478bd9Sstevel@tonic-gate p.dis = (struct t_discon *)ptr;
116*7c478bd9Sstevel@tonic-gate if (p.dis->udata.buf != NULL)
117*7c478bd9Sstevel@tonic-gate kmem_free(p.dis->udata.buf, p.dis->udata.maxlen);
118*7c478bd9Sstevel@tonic-gate kmem_free(ptr, sizeof (struct t_discon));
119*7c478bd9Sstevel@tonic-gate break;
120*7c478bd9Sstevel@tonic-gate
121*7c478bd9Sstevel@tonic-gate case T_UNITDATA:
122*7c478bd9Sstevel@tonic-gate /* LINTED pointer alignment */
123*7c478bd9Sstevel@tonic-gate p.udata = (struct t_kunitdata *)ptr;
124*7c478bd9Sstevel@tonic-gate
125*7c478bd9Sstevel@tonic-gate if (p.udata->udata.udata_mp) {
126*7c478bd9Sstevel@tonic-gate KTLILOG(2, "t_kfree: freeing mblk_t %x, ",
127*7c478bd9Sstevel@tonic-gate p.udata->udata.udata_mp);
128*7c478bd9Sstevel@tonic-gate KTLILOG(2, "ref %d\n",
129*7c478bd9Sstevel@tonic-gate p.udata->udata.udata_mp->b_datap->db_ref);
130*7c478bd9Sstevel@tonic-gate freemsg(p.udata->udata.udata_mp);
131*7c478bd9Sstevel@tonic-gate }
132*7c478bd9Sstevel@tonic-gate if (p.udata->opt.buf != NULL)
133*7c478bd9Sstevel@tonic-gate kmem_free(p.udata->opt.buf, p.udata->opt.maxlen);
134*7c478bd9Sstevel@tonic-gate if (p.udata->addr.buf != NULL) {
135*7c478bd9Sstevel@tonic-gate KTLILOG(2, "t_kfree: freeing address %x, ",
136*7c478bd9Sstevel@tonic-gate p.udata->addr.buf);
137*7c478bd9Sstevel@tonic-gate KTLILOG(2, "len %d\n", p.udata->addr.maxlen);
138*7c478bd9Sstevel@tonic-gate kmem_free(p.udata->addr.buf, p.udata->addr.maxlen);
139*7c478bd9Sstevel@tonic-gate }
140*7c478bd9Sstevel@tonic-gate KTLILOG(2, "t_kfree: freeing t_kunitdata\n", 0);
141*7c478bd9Sstevel@tonic-gate kmem_free(ptr, sizeof (struct t_kunitdata));
142*7c478bd9Sstevel@tonic-gate break;
143*7c478bd9Sstevel@tonic-gate
144*7c478bd9Sstevel@tonic-gate case T_UDERROR:
145*7c478bd9Sstevel@tonic-gate /* LINTED pointer alignment */
146*7c478bd9Sstevel@tonic-gate p.uderr = (struct t_uderr *)ptr;
147*7c478bd9Sstevel@tonic-gate if (p.uderr->addr.buf != NULL)
148*7c478bd9Sstevel@tonic-gate kmem_free(p.uderr->addr.buf, p.uderr->addr.maxlen);
149*7c478bd9Sstevel@tonic-gate if (p.uderr->opt.buf != NULL)
150*7c478bd9Sstevel@tonic-gate kmem_free(p.uderr->opt.buf, p.uderr->opt.maxlen);
151*7c478bd9Sstevel@tonic-gate kmem_free(ptr, sizeof (struct t_uderr));
152*7c478bd9Sstevel@tonic-gate break;
153*7c478bd9Sstevel@tonic-gate
154*7c478bd9Sstevel@tonic-gate case T_INFO:
155*7c478bd9Sstevel@tonic-gate break;
156*7c478bd9Sstevel@tonic-gate
157*7c478bd9Sstevel@tonic-gate default:
158*7c478bd9Sstevel@tonic-gate error = EINVAL;
159*7c478bd9Sstevel@tonic-gate break;
160*7c478bd9Sstevel@tonic-gate }
161*7c478bd9Sstevel@tonic-gate
162*7c478bd9Sstevel@tonic-gate return (error);
163*7c478bd9Sstevel@tonic-gate }
164