Use dma_pool_zalloc() instead of dma_pool_alloc + memset
Signed-off-by: NSouptick Joarder <jrdr.linux@gmail.com>
Acked-by: NManish Rangankar <Manish.Rangankar@cavium.com>
Signed-off-by: NMartin K. Petersen <martin.petersen@oracle.com>