}
-static void pvr2_context_poll(struct pvr2_context *mp)
+static void pvr2_context_poll(struct work_struct *work)
{
+ struct pvr2_context *mp =
+ container_of(work, struct pvr2_context, workpoll);
pvr2_context_enter(mp); do {
pvr2_hdw_poll(mp->hdw);
} while (0); pvr2_context_exit(mp);
}
-static void pvr2_context_setup(struct pvr2_context *mp)
+static void pvr2_context_setup(struct work_struct *work)
{
+ struct pvr2_context *mp =
+ container_of(work, struct pvr2_context, workinit);
+
pvr2_context_enter(mp); do {
if (!pvr2_hdw_dev_ok(mp->hdw)) break;
pvr2_hdw_setup(mp->hdw);
const struct usb_device_id *devid,
void (*setup_func)(struct pvr2_context *))
{
- struct pvr2_context *mp = 0;
- mp = kmalloc(sizeof(*mp),GFP_KERNEL);
+ struct pvr2_context *mp = NULL;
+ mp = kzalloc(sizeof(*mp),GFP_KERNEL);
if (!mp) goto done;
- memset(mp,0,sizeof(*mp));
pvr2_trace(PVR2_TRACE_STRUCT,"Creating pvr_main id=%p",mp);
mp->setup_func = setup_func;
mutex_init(&mp->mutex);
mp->hdw = pvr2_hdw_create(intf,devid);
if (!mp->hdw) {
pvr2_context_destroy(mp);
- mp = 0;
+ mp = NULL;
goto done;
}
mp->workqueue = create_singlethread_workqueue("pvrusb2");
- INIT_WORK(&mp->workinit,(void (*)(void*))pvr2_context_setup,mp);
- INIT_WORK(&mp->workpoll,(void (*)(void*))pvr2_context_poll,mp);
+ INIT_WORK(&mp->workinit, pvr2_context_setup);
+ INIT_WORK(&mp->workpoll, pvr2_context_poll);
queue_work(mp->workqueue,&mp->workinit);
done:
return mp;
{
cp->hdw = mp->hdw;
cp->mc_head = mp;
- cp->mc_next = 0;
+ cp->mc_next = NULL;
cp->mc_prev = mp->mc_last;
if (mp->mc_last) {
mp->mc_last->mc_next = cp;
{
if (!cp->stream) return;
pvr2_stream_kill(cp->stream->stream);
- cp->stream->user = 0;
- cp->stream = 0;
+ cp->stream->user = NULL;
+ cp->stream = NULL;
}
} else {
mp->mc_first = cp->mc_next;
}
- cp->hdw = 0;
+ cp->hdw = NULL;
}
{
struct pvr2_ioread *cp;
cp = pvr2_ioread_create();
- if (!cp) return 0;
+ if (!cp) return NULL;
pvr2_ioread_setup(cp,sp->stream);
pvr2_ioread_set_sync_key(cp,stream_sync_key,sizeof(stream_sync_key));
return cp;