[PATCH net-next] drivers:net: Convert dma_alloc_coherent(...__GFP_ZERO) to dma_zalloc_coherent

[Neil Horman]

On Mon, Aug 26, 2013 at 10:45:23PM -0700, Joe Perches wrote:
> __GFP_ZERO is an uncommon flag and perhaps is better
> not used.  static inline dma_zalloc_coherent exists
> so convert the uses of dma_alloc_coherent with __GFP_ZERO
> to the more common kernel style with zalloc.
> 
> Remove memset from the static inline dma_zalloc_coherent
> and add just one use of __GFP_ZERO instead.
> 
> Trivially reduces the size of the existing uses of
> dma_zalloc_coherent.
> 
> Realign arguments as appropriate.
> 
> Signed-off-by: Joe Perches <joe at perches.com>
Acked-by: Neil Horman <nhorman at tuxdriver.com>