Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 9735edbe authored by Shiraz Hashim's avatar Shiraz Hashim Committed by Kyle Yan
Browse files

arm: dma-mapping: fix data types to hold size_t 



size_t type data should not be held under variable of type
int, as this can truncate large values especially on a
64bit system. Fix it.

Change-Id: I5ad1ab321738772a99920e3fa287bda266cb05ed
Signed-off-by: default avatarShiraz Hashim <shashim@codeaurora.org>
parent 17505518

arch/arm/mm/dma-mapping.c

+2 −2
Original line number Diff line number Diff line
@@ -1230,8 +1230,8 @@ static struct page **__iommu_alloc_buffer(struct device *dev, size_t size, 
					  gfp_t gfp, struct dma_attrs *attrs)

{

	struct page **pages;

	int count = size >> PAGE_SHIFT;

	int array_size = count * sizeof(struct page *);

	size_t count = size >> PAGE_SHIFT;

	size_t array_size = count * sizeof(struct page *);

	int i = 0;



	if (array_size <= PAGE_SIZE)

arch/arm64/mm/dma-mapping.c

+4 −4
Original line number Diff line number Diff line
@@ -1207,8 +1207,8 @@ static struct page **__iommu_alloc_buffer(struct device *dev, size_t size, 
					  gfp_t gfp, struct dma_attrs *attrs)

{

	struct page **pages;

	int count = size >> PAGE_SHIFT;

	int array_size = count * sizeof(struct page *);

	size_t count = size >> PAGE_SHIFT;

	size_t array_size = count * sizeof(struct page *);

	int i = 0;



	if (array_size <= PAGE_SIZE)
@@ -1398,8 +1398,8 @@ static void *__iommu_alloc_atomic(struct device *dev, size_t size, 
{

	struct page *page;

	struct page **pages;

	int count = size >> PAGE_SHIFT;

	int array_size = count * sizeof(struct page *);

	size_t count = size >> PAGE_SHIFT;

	size_t array_size = count * sizeof(struct page *);

	int i;

	void *addr;