dmaengine: zx296702_dma: Use dma_pool_zalloc

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>

diff --git a/drivers/dma/zx296702_dma.c b/drivers/dma/zx296702_dma.c
index 245d759..380276d 100644 (file)
--- a/drivers/dma/zx296702_dma.c
+++ b/drivers/dma/zx296702_dma.c
@@ -435,13 +435,12 @@ static struct zx_dma_desc_sw *zx_alloc_desc_resource(int num,
        if (!ds)
                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) {
                dev_dbg(chan->device->dev, "vch %p: dma alloc fail\n", &c->vc);
                kfree(ds);
                return NULL;
        }
-       memset(ds->desc_hw, 0, sizeof(struct zx_desc_hw) * num);
        ds->desc_num = num;
        return ds;
 }