dma_pool_zalloc combines dma_pool_alloc and memset 0
this patch updates the driver to use dma_pool_zalloc.

Signed-off-by: Kedareswara rao Appana <appa...@xilinx.com>
---
Changes for v2:
--> New patch.

 drivers/dma/xilinx/xilinx_vdma.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/drivers/dma/xilinx/xilinx_vdma.c b/drivers/dma/xilinx/xilinx_vdma.c
index 3edd454..0f5b38a 100644
--- a/drivers/dma/xilinx/xilinx_vdma.c
+++ b/drivers/dma/xilinx/xilinx_vdma.c
@@ -498,11 +498,10 @@ xilinx_cdma_alloc_tx_segment(struct xilinx_dma_chan *chan)
        struct xilinx_cdma_tx_segment *segment;
        dma_addr_t phys;
 
-       segment = dma_pool_alloc(chan->desc_pool, GFP_ATOMIC, &phys);
+       segment = dma_pool_zalloc(chan->desc_pool, GFP_ATOMIC, &phys);
        if (!segment)
                return NULL;
 
-       memset(segment, 0, sizeof(*segment));
        segment->phys = phys;
 
        return segment;
@@ -520,11 +519,10 @@ xilinx_axidma_alloc_tx_segment(struct xilinx_dma_chan 
*chan)
        struct xilinx_axidma_tx_segment *segment;
        dma_addr_t phys;
 
-       segment = dma_pool_alloc(chan->desc_pool, GFP_ATOMIC, &phys);
+       segment = dma_pool_zalloc(chan->desc_pool, GFP_ATOMIC, &phys);
        if (!segment)
                return NULL;
 
-       memset(segment, 0, sizeof(*segment));
        segment->phys = phys;
 
        return segment;
-- 
2.1.2

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