diff options
| author |   YueHaibing <yuehaibing@huawei.com> | 2018-07-23 11:16:47 +0800 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2018-07-22 20:51:40 -0700 |
| commit | 0a78c3803d1924845ded22a379b66f897ba647a3 (patch) | |
| tree | 52673919d92036082650845dfaf2fed2c1973964 /drivers/net/ethernet/mediatek | |
| parent | nfp: avoid buffer leak when FW communication fails (diff) | |
| download | linux-dev-0a78c3803d1924845ded22a379b66f897ba647a3.tar.xz linux-dev-0a78c3803d1924845ded22a379b66f897ba647a3.zip | |
net: mediatek: use dma_zalloc_coherent instead of allocator/memset
Use dma_zalloc_coherent instead of dma_alloc_coherent
followed by memset 0.
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/mediatek')
| -rw-r--r-- | drivers/net/ethernet/mediatek/mtk_eth_soc.c | 7 |
1 files changed, 2 insertions, 5 deletions
diff --git a/drivers/net/ethernet/mediatek/mtk_eth_soc.c b/drivers/net/ethernet/mediatek/mtk_eth_soc.c index d8ebf0a05e0c..c30aea2ab767 100644 --- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c +++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c @@ -1221,14 +1221,11 @@ static int mtk_tx_alloc(struct mtk_eth *eth) if (!ring->buf) goto no_tx_mem; - ring->dma = dma_alloc_coherent(eth->dev, - MTK_DMA_SIZE * sz, - &ring->phys, - GFP_ATOMIC | __GFP_ZERO); + ring->dma = dma_zalloc_coherent(eth->dev, MTK_DMA_SIZE * sz, + &ring->phys, GFP_ATOMIC); if (!ring->dma) goto no_tx_mem; - memset(ring->dma, 0, MTK_DMA_SIZE * sz); for (i = 0; i < MTK_DMA_SIZE; i++) { int next = (i + 1) % MTK_DMA_SIZE; u32 next_ptr = ring->phys + next * sz; |