36 lines
1.2 KiB
Diff
36 lines
1.2 KiB
Diff
From 567a97b6347ac8c2b93ec788c437b7e9bb23ef75 Mon Sep 17 00:00:00 2001
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From: Edwin Flores <eflores@mozilla.com>
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Date: Wed, 2 Dec 2015 16:15:29 +0100
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Subject: [PATCH] Bug 1224100 - Initialize padding to 0 in Downscaler. r=seth,
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a=sledru
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---
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image/src/Downscaler.cpp | 7 ++++++-
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1 file changed, 6 insertions(+), 1 deletion(-)
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diff --git a/image/src/Downscaler.cpp b/image/src/Downscaler.cpp
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index 24ecfda..2a7acfd 100644
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--- a/image/src/Downscaler.cpp
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+++ b/image/src/Downscaler.cpp
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@@ -86,11 +86,16 @@ Downscaler::BeginFrame(const nsIntSize& aOriginalSize,
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mTargetSize.height, mYFilter.get());
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// Allocate the buffer, which contains scanlines of the original image.
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- mRowBuffer = MakeUnique<uint8_t[]>(mOriginalSize.width * sizeof(uint32_t));
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+ size_t bufferLen = mOriginalSize.width * sizeof(uint32_t);
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+ mRowBuffer = MakeUnique<uint8_t[]>(bufferLen);
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if (MOZ_UNLIKELY(!mRowBuffer)) {
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return NS_ERROR_OUT_OF_MEMORY;
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}
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+ // Zero buffer to keep valgrind happy.
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+ memset(mRowBuffer.get(), 0, bufferLen);
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+
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+
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// Allocate the window, which contains horizontally downscaled scanlines. (We
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// can store scanlines which are already downscale because our downscaling
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// filter is separable.)
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--
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2.6.3
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