From 5dbb0dc475fc8af3f799c9020d2efaaafe088caa Mon Sep 17 00:00:00 2001
From: jacksonmj <mj-pt@jacksonmj.co.uk>
Date: Wed, 6 Jul 2011 07:22:51 +0800
Subject: [PATCH] Fix crash when hovering over a non-existent thumbnail

---
 src/graphics.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/graphics.c b/src/graphics.c
index 4d53ec2de..00616a539 100644
--- a/src/graphics.c
+++ b/src/graphics.c
@@ -3790,6 +3790,7 @@ void draw_rgba_image(pixel *vid, unsigned char *data, int x, int y, float alpha)
 	unsigned char w, h;
 	int i, j;
 	unsigned char r, g, b, a;
+	if (!data) return;
 	w = *(data++)&0xFF;
 	h = *(data++)&0xFF;
 	for (j=0; j<h; j++)
@@ -3808,6 +3809,7 @@ void draw_rgba_image(pixel *vid, unsigned char *data, int x, int y, float alpha)
 void draw_image(pixel *vid, pixel *img, int x, int y, int w, int h, int a)
 {
 	int i, j, r, g, b;
+	if (!img) return;
 	for (j=0; j<h; j++)
 		for (i=0; i<w; i++)
 		{