static int test_ring(int argc, char **argv)
{
char *p = NULL, *p1 = NULL, *p2 = NULL,*p3 = NULL;
struct ring_buff_cache *buff = malloc(1024);
if (!buff)
goto err;
buff = ring_buff_head_init(buff, 2048);
p = ring_buff_alloc(buff, 256);
if (!p)
goto err;
memset((void *)p, 1, 256);
p1 = ring_buff_alloc(buff, 300);
if (!p1)
goto err;
memset((void *)p1, 3, 300);
p2 = ring_buff_alloc(buff, 123);
if (!p2)
goto err;
memset((void *)p2, 1, 123);
ring_buff_free(buff, p);
p = NULL;
/* DEBUG FOR CURR HEAD INFO */
cache_package_head_info_debug(buff);
p3 = ring_buff_alloc(buff, 256);
ring_buff_free(buff, p1);
p1 = NULL;
if (!p3)
goto err;
memset((void *)p3, 1, 256);
cache_package_head_info_debug(buff);
ring_buff_free(buff, p2);
ring_buff_free(buff, p3);
p2 = NULL;
p3 = NULL;
cache_package_head_info_debug(buff);
err:
cache_package_head_info_debug(buff);
if (buff)
free(buff);
return 0;
}
void
dcam_free_resources(dcam_state_t *softc_p)
{
ixl1394_command_t *ptr;
ixl1394_command_t *tmp;
/*
* The following fixes a memory leak. See bug #4423667.
* The original code only released memory for the first frame.
*/
/* free ixl opcode resources */
ptr = softc_p->ixlp;
while (ptr != NULL) {
tmp = ptr;
ptr = ptr->next_ixlp;
switch (tmp->ixl_opcode) {
case IXL1394_OP_LABEL:
kmem_free(tmp, sizeof (ixl1394_label_t));
break;
case IXL1394_OP_SET_SYNCWAIT:
kmem_free(tmp, sizeof (ixl1394_set_syncwait_t));
break;
case IXL1394_OP_RECV_PKT_ST:
kmem_free(tmp, sizeof (ixl1394_xfer_pkt_t));
break;
case IXL1394_OP_RECV_BUF:
kmem_free(tmp, sizeof (ixl1394_xfer_buf_t));
break;
case IXL1394_OP_CALLBACK:
kmem_free(tmp, sizeof (ixl1394_callback_t));
break;
case IXL1394_OP_JUMP:
kmem_free(tmp, sizeof (ixl1394_jump_t));
break;
}
}
/*
* free ring buff and indicate that the resources have been cleared
*/
ring_buff_free(softc_p, softc_p->ring_buff_p);
softc_p->flags &= ~DCAM1394_FLAG_FRAME_RCV_INIT;
softc_p->ixlp = NULL;
}
