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Code Issues Releases Wiki Activity

dmaengine: xgene-dma: use dma_pool_zalloc

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We should use shiny new dma_pool_zalloc instead of
dma_pool_alloc/memset

Reported-by: Julia Lawall <julia.lawall@lip6.fr>
Reported-by: kbuild test robot <fengguang.wu@intel.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
This commit is contained in:
Vinod Koul 2015-09-21 20:56:58 +05:30
parent 6ff33f3902
commit 9c811209eb
1 changed files with 1 additions and 3 deletions
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4
drivers/dma/xgene-dma.c
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@ -556,14 +556,12 @@ static struct xgene_dma_desc_sw *xgene_dma_alloc_descriptor(
struct xgene_dma_desc_sw *desc; struct xgene_dma_desc_sw *desc;
dma_addr_t phys; dma_addr_t phys;
desc = dma_pool_alloc(chan->desc_pool, GFP_NOWAIT, &phys); desc = dma_pool_zalloc(chan->desc_pool, GFP_NOWAIT, &phys);
if (!desc) { if (!desc) {
chan_err(chan, "Failed to allocate LDs\n"); chan_err(chan, "Failed to allocate LDs\n");
return NULL; return NULL;
} }
memset(desc, 0, sizeof(*desc));
INIT_LIST_HEAD(&desc->tx_list); INIT_LIST_HEAD(&desc->tx_list);
desc->tx.phys = phys; desc->tx.phys = phys;
desc->tx.tx_submit = xgene_dma_tx_submit; desc->tx.tx_submit = xgene_dma_tx_submit;