From add87291941726f8daa9e06e5aaf330bd8e239f3 Mon Sep 17 00:00:00 2001
From: Stefan Seyfried <seife@tuxbox-git.slipkontur.de>
Date: Sat, 14 Jul 2012 21:43:36 +0200
Subject: [PATCH] framebuffer: add sanity check in paintPixel

Origin commit data
------------------
Commit: https://github.com/neutrino-images/ni-neutrino/commit/5abc54f429422245c97d32e3b4823699774e1057
Author: Stefan Seyfried <seife@tuxbox-git.slipkontur.de>
Date: 2012-07-14 (Sat, 14 Jul 2012)
---
 src/driver/framebuffer.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/driver/framebuffer.cpp b/src/driver/framebuffer.cpp
index d5d6723c5..e6c8de1bf 100644
--- a/src/driver/framebuffer.cpp
+++ b/src/driver/framebuffer.cpp
@@ -1279,6 +1279,8 @@ void CFrameBuffer::paintPixel(const int x, const int y, const fb_pixel_t col)
 	#ifdef USE_NEVIS_GXA
 	paintHLineRel(x, 1, y, col);
 	#else
+	if (x > xRes || y > yRes || x < 0 || y < 0)
+		return;
 	fb_pixel_t * pos = getFrameBufferPointer();
 	pos += (stride / sizeof(fb_pixel_t)) * y;
 	pos += x;