On Wed, Jan 10 2007, Kiyoshi Ueda wrote:
> +static int end_request_callback(void *arg)
> +{
> + struct request *req = (struct request *)arg;
> +
> + add_disk_randomness(req->rq_disk);
> + blkdev_dequeue_request(req);
> +
> + return 0;
> +}
This is bad, don't pass void * around.
> +static int cdrom_newpc_intr_dma_callback(void *arg)
> +{
> + void **argv = (void **)arg;
> + struct request *rq = (struct request *)*argv++;
> + ide_drive_t *drive = (ide_drive_t *)argv++;
> + spinlock_t *ide_lock = (spinlock_t *)argv;
> +
> + rq->data_len = 0;
> +
> + cdrom_newpc_intr_callback_common(rq, drive, ide_lock);
> +
> + return 0;
> +}
And this is why, down right horrible. The callback should be correctly
typed, pass down a request pointer ALWAYS.
--
Jens Axboe
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