From 4376455727dcf627f12c3d209410ac576c0e8f0e Mon Sep 17 00:00:00 2001 From: Julia Lawall Date: Fri, 29 Apr 2016 22:09:12 +0200 Subject: dmaengine: fsldma: Use dma_pool_zalloc Dma_pool_zalloc combines dma_pool_alloc and memset 0. The semantic patch that makes this transformation is as follows: (http://coccinelle.lip6.fr/) // @@ expression d,e; statement S; @@ d = - dma_pool_alloc + dma_pool_zalloc (...); if (!d) S - memset(d, 0, sizeof(*d)); // Signed-off-by: Julia Lawall Acked-by: Li Yang Signed-off-by: Vinod Koul --- drivers/dma/fsldma.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) (limited to 'drivers') diff --git a/drivers/dma/fsldma.c b/drivers/dma/fsldma.c index aac85c30c2cf..a8828ed639b3 100644 --- a/drivers/dma/fsldma.c +++ b/drivers/dma/fsldma.c @@ -462,13 +462,12 @@ static struct fsl_desc_sw *fsl_dma_alloc_descriptor(struct fsldma_chan *chan) struct fsl_desc_sw *desc; dma_addr_t pdesc; - desc = dma_pool_alloc(chan->desc_pool, GFP_ATOMIC, &pdesc); + desc = dma_pool_zalloc(chan->desc_pool, GFP_ATOMIC, &pdesc); if (!desc) { chan_dbg(chan, "out of memory for link descriptor\n"); return NULL; } - memset(desc, 0, sizeof(*desc)); INIT_LIST_HEAD(&desc->tx_list); dma_async_tx_descriptor_init(&desc->async_tx, &chan->common); desc->async_tx.tx_submit = fsl_dma_tx_submit; -- cgit v1.2.3