Cleans up various oddities found during a code audit.
- dma related cleanups for gdth Christoph Hellwig
- [PATCH 2/4] gdth: reuse dma coherent allocation in ... Christoph Hellwig
- Re: [PATCH 2/4] gdth: reuse dma coherent alloca... Finn Thain
- Re: [PATCH 2/4] gdth: reuse dma coherent al... Christoph Hellwig
- [PATCH 4/4] gdth: use generic DMA API Christoph Hellwig
- Re: [PATCH 4/4] gdth: use generic DMA API Finn Thain
- Re: [PATCH 4/4] gdth: use generic DMA API Christoph Hellwig
- [PATCH 3/4] gdth: remove gdth_{alloc,free}_ioctl Christoph Hellwig
- Re: [PATCH 1/4] gdth: refactor ioc_general Finn Thain
- Re: [PATCH 1/4] gdth: refactor ioc_general Christoph Hellwig
