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32 lines
1.1 KiB
Diff
32 lines
1.1 KiB
Diff
From de3e3e5930b1edfebec7870390443279ec5b65fe Mon Sep 17 00:00:00 2001
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From: Srinivasarao P <spathi@codeaurora.org>
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Date: Fri, 22 Jul 2016 12:48:33 +0530
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Subject: msm : dma_test: Initialize newly allocated memory
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The MSM_DMA_IOALLOC ioctl command allocates kernel memory and
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this memory can be read back using the MSM_DMA_IORBUF ioctl command.
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This memory is not zero-initialized and may contain sensitive data.
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Change-Id: I8c55d6fe500e7607690b89806715893783eecf9c
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Signed-off-by: Srinivasarao P <spathi@codeaurora.org>
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---
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arch/arm/mach-msm/dma_test.c | 2 +-
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1 file changed, 1 insertion(+), 1 deletion(-)
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diff --git a/arch/arm/mach-msm/dma_test.c b/arch/arm/mach-msm/dma_test.c
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index 3d13e4e..1d717c3 100644
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--- a/arch/arm/mach-msm/dma_test.c
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+++ b/arch/arm/mach-msm/dma_test.c
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@@ -99,7 +99,7 @@ static int buffer_req(struct msm_dma_alloc_req *req)
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if (i >= MAX_TEST_BUFFERS)
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goto error;
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- buffers[i] = kmalloc(req->size, GFP_KERNEL | __GFP_DMA);
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+ buffers[i] = kzalloc(req->size, GFP_KERNEL | __GFP_DMA);
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if (buffers[i] == 0)
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goto error;
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sizes[i] = req->size;
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--
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cgit v1.1
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