From: Philippe Mathieu-Daudé <f4...@amsat.org> Signed-off-by: Philippe Mathieu-Daudé <f4...@amsat.org> Message-Id: <20200214001303.12873-5-f4...@amsat.org> Signed-off-by: Richard Henderson <richard.hender...@linaro.org> --- hw/display/artist.c | 3 +++ 1 file changed, 3 insertions(+)
diff --git a/hw/display/artist.c b/hw/display/artist.c index 97c811b35e..5492079116 100644 --- a/hw/display/artist.c +++ b/hw/display/artist.c @@ -579,6 +579,9 @@ static void draw_line(ARTISTState *s, int x1, int y1, int x2, int y2, } else { dy = y1 - y2; } + if (!dx || !dy) { + return; + } c1 = false; if (dy > dx) { -- 2.20.1