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[LAPD] fix bug in TEI manager rendering LAPD unusable

This commit is contained in:
Harald Welte 2011-02-05 19:51:05 +01:00
parent 1458ec6571
commit 8fc66a0c4d
1 changed files with 12 additions and 13 deletions
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25
openbsc/src/input/lapd.c
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@ -161,40 +161,39 @@ static void lapd_tei_set_state(struct lapd_tei *teip, int newstate)
static void lapd_tei_receive(struct lapd_instance *li, uint8_t *data, int len)
{
int entity = data[0];
int ref = data[1];
int mt = data[3];
int action = data[4] >> 1;
int e = data[4] & 1;
int tei;
uint8_t entity = data[0];
uint8_t ref = data[1];
uint8_t mt = data[3];
uint8_t action = data[4] >> 1;
uint8_t e = data[4] & 1;
uint8_t resp[8];
struct lapd_tei *teip;
DEBUGP(DMI, "tei mgmt: entity %x, ref %x, mt %x, action %x, e %x\n", entity, ref, mt, action, e);
DEBUGP(DMI, "TEIMGR: entity %x, ref %x, mt %x, action %x, e %x\n", entity, ref, mt, action, e);
switch (mt) {
case 0x01: /* IDENTITY REQUEST */
DEBUGP(DMI, "TEIMGR: identity request for TEI %u\n", tei);
DEBUGP(DMI, "TEIMGR: identity request for TEI %u\n", action);
teip = teip_from_tei(li, tei);
teip = teip_from_tei(li, action);
if (!teip) {
LOGP(DMI, LOGL_INFO, "TEI MGR: New TEI %u\n", tei);
LOGP(DMI, LOGL_INFO, "TEI MGR: New TEI %u\n", action);
teip = talloc_zero(li, struct lapd_tei);
teip->tei = tei;
teip->tei = action;
llist_add(&teip->list, &li->tei_list);
lapd_tei_set_state(teip, LAPD_TEI_ASSIGNED);
}
/* Send ACCEPT */
memmove(resp, "\xfe\xff\x03\x0f\x00\x00\x02\x00", 8);
resp[7] = (tei << 1) | 1;
resp[7] = (action << 1) | 1;
li->transmit_cb(resp, 8, li->cbdata);
if (teip->state == LAPD_TEI_NONE)
lapd_tei_set_state(teip, LAPD_TEI_ASSIGNED);
break;
default:
LOGP(DMI, LOGL_NOTICE, "tei mgmt: unknown mt %x action %x\n",
LOGP(DMI, LOGL_NOTICE, "TEIMGR: unknown mt %x action %x\n",
mt, action);
break;
};