From: Gustavo A. R. Silva <gustavoars@kernel.org>
Date: Tue, 28 Sep 2021 22:22:29 +0000 (-0500)
Subject: iommu/dma: Use kvcalloc() instead of kvzalloc()
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=ab6f4b001c8c726b5e0bb01429710dc61f13e24d;p=linux.git

iommu/dma: Use kvcalloc() instead of kvzalloc()

Use 2-factor argument form kvcalloc() instead of kvzalloc().

Link: https://github.com/KSPP/linux/issues/162
Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org>
Acked-by: Robin Murphy <robin.murphy@arm.com>
Reviewed-by: Kees Cook <keescook@chromium.org>
Link: https://lore.kernel.org/r/20210928222229.GA280355@embeddedor
Signed-off-by: Joerg Roedel <jroedel@suse.de>
---

diff --git a/drivers/iommu/dma-iommu.c b/drivers/iommu/dma-iommu.c
index 342359727a59a..fffa8721a8f01 100644
--- a/drivers/iommu/dma-iommu.c
+++ b/drivers/iommu/dma-iommu.c
@@ -558,7 +558,7 @@ static struct page **__iommu_dma_alloc_pages(struct device *dev,
 	if (!order_mask)
 		return NULL;
 
-	pages = kvzalloc(count * sizeof(*pages), GFP_KERNEL);
+	pages = kvcalloc(count, sizeof(*pages), GFP_KERNEL);
 	if (!pages)
 		return NULL;