From nobody Thu Nov 13 19:24:20 2025 Delivered-To: importer@patchew.org Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass(p=none dis=none) header.from=linaro.org Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1582054971386704.7301749376776; Tue, 18 Feb 2020 11:42:51 -0800 (PST) Received: from localhost ([::1]:41113 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1j48le-0000D3-BJ for importer@patchew.org; Tue, 18 Feb 2020 14:42:50 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:55060) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1j48iZ-0003co-F7 for qemu-devel@nongnu.org; Tue, 18 Feb 2020 14:39:40 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1j48iY-0004Lg-GJ for qemu-devel@nongnu.org; Tue, 18 Feb 2020 14:39:39 -0500 Received: from mail-pg1-x529.google.com ([2607:f8b0:4864:20::529]:42812) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1j48iY-0004K7-Ag for qemu-devel@nongnu.org; Tue, 18 Feb 2020 14:39:38 -0500 Received: by mail-pg1-x529.google.com with SMTP id w21so11428992pgl.9 for ; Tue, 18 Feb 2020 11:39:38 -0800 (PST) Received: from localhost.localdomain (97-126-123-70.tukw.qwest.net. [97.126.123.70]) by smtp.gmail.com with ESMTPSA id y15sm424395pgj.78.2020.02.18.11.39.35 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 18 Feb 2020 11:39:36 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=VWkmmOSNRrmSWVThvM1btX2IQ2jQ25rI+tGcKooV13k=; b=RUYFJ2yBNNB/FI7ZcZaMOn8rTEZ+F93tRFKn0W8+h0ccY49o6pkEK5NCCN1NFgRg2C wzIwa1CUwDgPi2j8yKasWW10C+TW+ojUGT+eyzNSMWkvDp+XFkOiBPXPJZRSgOCQJkzb mUFNWsne7c5mmXgxhHQavOr1d9kT+dJyGI/EtyPpYAkkafCxSUXd3ocxlt+QFxYck3Hy wwWxwdmX2oICJ7QFUA3hw5C8+HnBVPad+polGMGpXcn4iJRr6mJ/VSUSZ+hW0hRE6GGs rqFHsrpS52Rqp5t7Blyl43osNdAZv3u3kcZXDznH2y+A1SJ/3SDEbEF3Wyz52yJPOEf+ yM9Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=VWkmmOSNRrmSWVThvM1btX2IQ2jQ25rI+tGcKooV13k=; b=oda91bcmlEmJz7K+YoZ9Tb9PWa60Nf4YCDgwHc+M0klxRu9WDIDUrgmyrB3GDMM3Et ikqF/l0nHpicy7QydXzdfp8LjWVKZ+oqbnL3GPVOcKqAJFMFNeCNKA4qBf5vHe1kuZFX l9TZ2KQo8XjGUINfkkxYbIVlbX3QmkdIPhSdhoHjSdG9u2lKPYAMnAcNau7XUHUTPJgs OQJkgaTNYanz911jiwdYaZH4MdO4/ppukfMH/I6dND6YgEuZHX5EBhIJ7WBoj0H5VS4o yixv7MOc287QSLCKNGMVMG/wberZCWfZvL48ZDVwDxJ7WaQP4HXusJG3r+zJEpsY4VNY mkEA== X-Gm-Message-State: APjAAAXp6hyK0i/cPyEwgDEVOEW/z/zq6e1HFphVs5hQCM3+0MgELXTW 3UT+aLxuOe55DOGapKKe/x1J5PF73mw= X-Google-Smtp-Source: APXvYqyA7qE32ZvlMFM5lBu/BNrz+hfUDRXG94ZN3t1fXbjejvSEk852WMSf7KA2XksPv2V7hfxVKw== X-Received: by 2002:a63:445e:: with SMTP id t30mr24625651pgk.367.1582054776923; Tue, 18 Feb 2020 11:39:36 -0800 (PST) From: Richard Henderson To: qemu-devel@nongnu.org Subject: [PULL 4/9] hw/display/artist: Avoid drawing line when nothing to display Date: Tue, 18 Feb 2020 11:39:24 -0800 Message-Id: <20200218193929.11404-5-richard.henderson@linaro.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20200218193929.11404-1-richard.henderson@linaro.org> References: <20200218193929.11404-1-richard.henderson@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 2607:f8b0:4864:20::529 X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: peter.maydell@linaro.org, =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: pass (identity @linaro.org) From: Philippe Mathieu-Daud=C3=A9 Signed-off-by: Philippe Mathieu-Daud=C3=A9 Message-Id: <20200214001303.12873-5-f4bug@amsat.org> Signed-off-by: Richard Henderson --- 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, i= nt x2, int y2, } else { dy =3D y1 - y2; } + if (!dx || !dy) { + return; + } =20 c1 =3D false; if (dy > dx) { --=20 2.20.1