No need zero for the protect buffer that is only accessed by the IOMMU HW
translation fault happened.
Signed-off-by: Yong Wu <yong...@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
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