static int __dma_async_device_channel_register(struct dma_device *device,
struct dma_chan *chan)
{
- int rc = 0;
+ int rc;
chan->local = alloc_percpu(typeof(*chan->local));
if (!chan->local)
- goto err_out;
+ return -ENOMEM;
chan->dev = kzalloc(sizeof(*chan->dev), GFP_KERNEL);
if (!chan->dev) {
- free_percpu(chan->local);
- chan->local = NULL;
- goto err_out;
+ rc = -ENOMEM;
+ goto err_free_local;
}
/*
if (chan->chan_id < 0) {
pr_err("%s: unable to alloc ida for chan: %d\n",
__func__, chan->chan_id);
- goto err_out;
+ rc = chan->chan_id;
+ goto err_free_dev;
}
chan->dev->device.class = &dma_devclass;
mutex_lock(&device->chan_mutex);
ida_free(&device->chan_ida, chan->chan_id);
mutex_unlock(&device->chan_mutex);
- err_out:
- free_percpu(chan->local);
+ err_free_dev:
kfree(chan->dev);
+ err_free_local:
+ free_percpu(chan->local);
return rc;
}