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dmaengine: zx296702_dma: Use dma_pool_zalloc

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We should use dma_pool_zalloc instead of dma_pool_alloc/memset.

Signed-off-by: Souptick joarder <jrdr.linux@gmail.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
This commit is contained in:
Souptick Joarder
2016-11-30 02:28:58 +05:30
committed by Vinod Koul
parent d648160863
commit c2e60fc702
1 changed files with 1 additions and 2 deletions
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3
drivers/dma/zx296702_dma.c
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@@ -435,13 +435,12 @@ static struct zx_dma_desc_sw *zx_alloc_desc_resource(int num,
if (!ds) if (!ds)
return NULL; return NULL;
ds->desc_hw = dma_pool_alloc(d->pool, GFP_NOWAIT, &ds->desc_hw_lli); ds->desc_hw = dma_pool_zalloc(d->pool, GFP_NOWAIT, &ds->desc_hw_lli);
if (!ds->desc_hw) { if (!ds->desc_hw) {
dev_dbg(chan->device->dev, "vch %p: dma alloc fail\n", &c->vc); dev_dbg(chan->device->dev, "vch %p: dma alloc fail\n", &c->vc);
kfree(ds); kfree(ds);
return NULL; return NULL;
} }
memset(ds->desc_hw, 0, sizeof(struct zx_desc_hw) * num);
ds->desc_num = num; ds->desc_num = num;
return ds; return ds;
} }