Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]


Groups > linux.kernel > #1391434

Re: [PATCH 2/5] dmaengine: vdma: Use dma_pool_zalloc

From Sören Brinkmann <soren.brinkmann@xilinx.com>
Newsgroups linux.kernel
Subject Re: [PATCH 2/5] dmaengine: vdma: Use dma_pool_zalloc
Date 2016-04-29 23:20 +0200
Message-ID <rtnZo-4me-13@gated-at.bofh.it> (permalink)
References <rtncZ-3HL-5@gated-at.bofh.it> <rtnd0-3HL-25@gated-at.bofh.it>
Organization linux.* mail to news gateway

Show all headers | View raw


On Fri, 2016-04-29 at 22:09:09 +0200, Julia Lawall wrote:
> Dma_pool_zalloc combines dma_pool_alloc and memset 0.  The semantic patch
> that makes this transformation is as follows: (http://coccinelle.lip6.fr/)
> 
> // <smpl>
> @@
> expression d,e;
> statement S;
> @@
> 
>         d =
> -            dma_pool_alloc
> +            dma_pool_zalloc
>              (...);
>         if (!d) S
> -       memset(d, 0, sizeof(*d));
> // </smpl>
> 
> Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Acked-by: Sören Brinkmann <soren.brinkmann@xilinx.com>

	Sören

Back to linux.kernel | Previous | NextPrevious in thread | Find similar | Unroll thread


Thread

[PATCH 2/5] dmaengine: vdma: Use dma_pool_zalloc Julia Lawall <Julia.Lawall@lip6.fr> - 2016-04-29 22:30 +0200
  Re: [PATCH 2/5] dmaengine: vdma: Use dma_pool_zalloc Sören Brinkmann <soren.brinkmann@xilinx.com> - 2016-04-29 23:20 +0200

csiph-web