Messages in this thread Patch in this message | | | From | Yong Wu <> | Subject | [PATCH v4 08/35] iommu/mediatek: Use kmalloc for protect buffer | Date | Tue, 25 Jan 2022 16:56:07 +0800 |
| |
No need zero for the protect buffer that is only accessed by the IOMMU HW translation fault happened.
Signed-off-by: Yong Wu <yong.wu@mediatek.com> --- drivers/iommu/mtk_iommu.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/iommu/mtk_iommu.c b/drivers/iommu/mtk_iommu.c index e6e4ee471867..d982dfd815c6 100644 --- a/drivers/iommu/mtk_iommu.c +++ b/drivers/iommu/mtk_iommu.c @@ -794,7 +794,7 @@ static int mtk_iommu_probe(struct platform_device *pdev) data->plat_data = of_device_get_match_data(dev); /* Protect memory. HW will access here while translation fault.*/ - protect = devm_kzalloc(dev, MTK_PROTECT_PA_ALIGN * 2, GFP_KERNEL); + protect = devm_kmalloc(dev, MTK_PROTECT_PA_ALIGN * 2, GFP_KERNEL); if (!protect) return -ENOMEM; data->protect_base = ALIGN(virt_to_phys(protect), MTK_PROTECT_PA_ALIGN); -- 2.18.0
| |