From: zhong jiang Date: Sat, 18 Aug 2018 15:16:54 +0000 (-0400) Subject: media: ipu3-cio2: Use dma_zalloc_coherent to replace dma_alloc_coherent + memset X-Git-Tag: v4.20-rc1~51^2~60 X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=1526dbeb54f202e9fa2de660fd18030ebaa99f49;p=thirdparty%2Flinux.git media: ipu3-cio2: Use dma_zalloc_coherent to replace dma_alloc_coherent + memset dma_zalloc_coherent has implemented the dma_alloc_coherent() + memset(), We prefer to dma_zalloc_coherent instead of open-codeing. Signed-off-by: zhong jiang Signed-off-by: Sakari Ailus Signed-off-by: Mauro Carvalho Chehab --- diff --git a/drivers/media/pci/intel/ipu3/ipu3-cio2.c b/drivers/media/pci/intel/ipu3/ipu3-cio2.c index 29027159eced8..f0c6374ee58ef 100644 --- a/drivers/media/pci/intel/ipu3/ipu3-cio2.c +++ b/drivers/media/pci/intel/ipu3/ipu3-cio2.c @@ -218,13 +218,11 @@ static int cio2_fbpt_init(struct cio2_device *cio2, struct cio2_queue *q) { struct device *dev = &cio2->pci_dev->dev; - q->fbpt = dma_alloc_coherent(dev, CIO2_FBPT_SIZE, &q->fbpt_bus_addr, - GFP_KERNEL); + q->fbpt = dma_zalloc_coherent(dev, CIO2_FBPT_SIZE, &q->fbpt_bus_addr, + GFP_KERNEL); if (!q->fbpt) return -ENOMEM; - memset(q->fbpt, 0, CIO2_FBPT_SIZE); - return 0; }