From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from wnew4-smtp.messagingengine.com (wnew4-smtp.messagingengine.com [64.147.123.18]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 103B53C26 for ; Thu, 22 Sep 2022 14:27:28 +0000 (UTC) Received: from compute5.internal (compute5.nyi.internal [10.202.2.45]) by mailnew.west.internal (Postfix) with ESMTP id C17B02B05B28; Thu, 22 Sep 2022 10:27:25 -0400 (EDT) Received: from mailfrontend1 ([10.202.2.162]) by compute5.internal (MEProxy); Thu, 22 Sep 2022 10:27:28 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=cerno.tech; h=cc :cc:content-transfer-encoding:content-type:date:date:from:from :in-reply-to:in-reply-to:message-id:mime-version:references :reply-to:sender:subject:subject:to:to; s=fm2; t=1663856845; x= 1663864045; bh=xSm1H/SvLOO84UTCPZaxyASkQdYRdGizK9EhDQqVUIE=; b=f 7nQe8WpUbPbNHBxZyNsg4pvSmHXiHjCjDwBQfCbCldC2ndc6an6c+8+Hzh2JI7Yk l4FTAlNgzoq2PY0y6hORuVzojPbJH+dBVlC0OCc6fTuBUofhd1XabwKOisKL6kDg xvbcoJgwrPbtEcgWkuYbkRH8fz/rcSBNqNm2ZQIyzjqwp/RFNS4EGsdxNNUYw6Li O+FFH24AQeebjKV2/GZKm/Xu+OqOBUroRpp/Lca6CIFvDk24OPUqlVjyWkGg6oE1 sc5Nwld+5wnjOvhgahCrgipInV3ltbx0sdj095yQQuT75TVHyavqkqOXi5nsn3ai w6c8l1KThDV6H4da2jy1w== DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=cc:cc:content-transfer-encoding :content-type:date:date:feedback-id:feedback-id:from:from :in-reply-to:in-reply-to:message-id:mime-version:references :reply-to:sender:subject:subject:to:to:x-me-proxy:x-me-proxy :x-me-sender:x-me-sender:x-sasl-enc; s=fm2; t=1663856845; x= 1663864045; bh=xSm1H/SvLOO84UTCPZaxyASkQdYRdGizK9EhDQqVUIE=; b=L KE0hx6dOosf71MT1/AFhqd2FZNyhM7GcIOL+JGmgJiuqRQwruhfh/IuDEzyHdWFW U0oFdscqLRXqpbWEqaVm504KW/oYl5qVAGuWUi4mHtugfFQrlYFLKaqpRZbGAcoh tJrVDryw7Tq+e/KFjj+pJHXxAxbWOtzhRnlRuEx1ECtDb15wqnbUiocy+tuF1kJ+ bm0+ArCKAxIvvVXL/6BrNGJzqHx8iE7oU38m0yrYbRjYnvwcj0Ydkv5H8eCkiREh X7rM/ZLRQfIejPphdBaAN0ve7Bgq8+PQYC/itosMvjSTQgv1ZRxi6lsrWSTySYGu po/eujcsWZe1Yqd6hNdkg== X-ME-Sender: X-ME-Received: X-ME-Proxy-Cause: gggruggvucftvghtrhhoucdtuddrgedvfedrfeefgedgudejucetufdoteggodetrfdotf fvucfrrhhofhhilhgvmecuhfgrshhtofgrihhlpdfqfgfvpdfurfetoffkrfgpnffqhgen uceurghilhhouhhtmecufedttdenucesvcftvggtihhpihgvnhhtshculddquddttddmne cujfgurhephfffufggtgfgkfhfjgfvvefosehtkeertdertdejnecuhfhrohhmpeforgig ihhmvgcutfhiphgrrhguuceomhgrgihimhgvsegtvghrnhhordhtvggthheqnecuggftrf grthhtvghrnhepudduudfhveejteefgedvffdvvedvjedugedukeejhedtlefhffevtefh jeeltdevnecuvehluhhsthgvrhfuihiivgepvdenucfrrghrrghmpehmrghilhhfrhhomh epmhgrgihimhgvsegtvghrnhhordhtvggthh X-ME-Proxy: Feedback-ID: i8771445c:Fastmail Received: by mail.messagingengine.com (Postfix) with ESMTPA; Thu, 22 Sep 2022 10:27:23 -0400 (EDT) From: Maxime Ripard Date: Thu, 22 Sep 2022 16:25:33 +0200 Subject: [PATCH v2 16/33] drm/modes: Bail out of named mode parsing early if it's a number Precedence: bulk X-Mailing-List: linux-sunxi@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 8bit Message-Id: <20220728-rpi-analog-tv-properties-v2-16-f733a0ed9f90@cerno.tech> References: <20220728-rpi-analog-tv-properties-v2-0-f733a0ed9f90@cerno.tech> In-Reply-To: <20220728-rpi-analog-tv-properties-v2-0-f733a0ed9f90@cerno.tech> To: Jernej Skrabec , Rodrigo Vivi , Ben Skeggs , David Airlie , Maxime Ripard , Joonas Lahtinen , Emma Anholt , Karol Herbst , Samuel Holland , Jani Nikula , Thomas Zimmermann , Daniel Vetter , Lyude Paul , Maarten Lankhorst , Tvrtko Ursulin , Chen-Yu Tsai Cc: Hans de Goede , nouveau@lists.freedesktop.org, Geert Uytterhoeven , Dave Stevenson , linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Phil Elwell , intel-gfx@lists.freedesktop.org, Noralf Trønnes , Dom Cobley , linux-sunxi@lists.linux.dev, Maxime Ripard , Mateusz Kwiatkowski , dri-devel@lists.freedesktop.org X-Mailer: b4 0.10.0 X-Developer-Signature: v=1; a=openpgp-sha256; l=781; i=maxime@cerno.tech; h=from:subject:message-id; bh=shGH9ck7c+L41qD2WH9TMF8BbPwoWC/90AbR/JV60RA=; b=owGbwMvMwCX2+D1vfrpE4FHG02pJDMk6BQGFs9Nu79OYOVE4ojXPs7nd9zlbaO6p+tCY2StWbXlx 8GldRykLgxgXg6yYIkuMsPmSuFOzXney8c2DmcPKBDKEgYtTACZSvZ/hn6HFxvfrjBIl1jK2H3B+5a DbGrfj0aYefr7rurp/g03Xf2b4w5nxeKvCDm3bc2mnbvuUMjUWnIjVuSV4r6vF9K3BkwtH+QE= X-Developer-Key: i=maxime@cerno.tech; a=openpgp; fpr=BE5675C37E818C8B5764241C254BCFC56BF6CE8D If the name we want to parse starts with a digit, it's not a named mode. Thus, there's no need to compare it to the list of all the named modes we support, we can return straight away. Signed-off-by: Maxime Ripard diff --git a/drivers/gpu/drm/drm_modes.c b/drivers/gpu/drm/drm_modes.c index 8d629fbb1047..ede5b094da4c 100644 --- a/drivers/gpu/drm/drm_modes.c +++ b/drivers/gpu/drm/drm_modes.c @@ -2238,6 +2238,10 @@ static int drm_mode_parse_cmdline_named_mode(const char *name, if (!name_end) return 0; + /* If the name starts with a digit, it's not a named mode */ + if (isdigit(name[0])) + return 0; + /* * We're sure we're a named mode at that point, iterate over the * list of modes we're aware of. -- b4 0.10.0