From patchwork Thu Apr 21 10:17:05 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jiri Slaby X-Patchwork-Id: 564734 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 0D92EC43219 for ; Thu, 21 Apr 2022 10:17:20 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1388259AbiDUKUH (ORCPT ); Thu, 21 Apr 2022 06:20:07 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:46294 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1388124AbiDUKUD (ORCPT ); Thu, 21 Apr 2022 06:20:03 -0400 Received: from smtp-out2.suse.de (smtp-out2.suse.de [195.135.220.29]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B2CC622B12; Thu, 21 Apr 2022 03:17:11 -0700 (PDT) Received: from relay2.suse.de (relay2.suse.de [149.44.160.134]) by smtp-out2.suse.de (Postfix) with ESMTP id 4BB201F755; Thu, 21 Apr 2022 10:17:10 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.cz; s=susede2_rsa; t=1650536230; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=NF+UmkqumeY0pckDNhK2uWzgueOaF+BJbbY4k3pIt1k=; b=jykvhSaXeT7d/16BWZwwf8Hy93G+2JZ20H3coVDtYZ5mXH1xNrgle4PBNWzr2wM6GDBxx3 reOsbbTbWPhr9SZKtxTYFUCO+v3RvyqZg9FpM1TlxIbqNxQIm58ucZpScJGx5vzWR1RGJL AWZTgpWaG6FMTRBp7v88tDKih/+tO4c= DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=suse.cz; s=susede2_ed25519; t=1650536230; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=NF+UmkqumeY0pckDNhK2uWzgueOaF+BJbbY4k3pIt1k=; b=r8KEOduRgvrxhQRRDK32mMYaxb3BWijDb/FVb3KuYn676AstyrmI4celzE5YZBve/PUgR6 y9ECwomqls6s7ZBA== Received: from localhost.localdomain (unknown [10.100.208.98]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by relay2.suse.de (Postfix) with ESMTPS id 1A47A2C142; Thu, 21 Apr 2022 10:17:10 +0000 (UTC) From: Jiri Slaby To: gregkh@linuxfoundation.org Cc: linux-serial@vger.kernel.org, linux-kernel@vger.kernel.org, Jiri Slaby Subject: [PATCH 4/7] serial: zs: use NULL as a pointer, not 0 Date: Thu, 21 Apr 2022 12:17:05 +0200 Message-Id: <20220421101708.5640-5-jslaby@suse.cz> X-Mailer: git-send-email 2.36.0 In-Reply-To: <20220421101708.5640-1-jslaby@suse.cz> References: <20220421101708.5640-1-jslaby@suse.cz> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-serial@vger.kernel.org struct uart_port::membase is declared as a pointer. So it should be initialized by NULL, not zero constant. Signed-off-by: Jiri Slaby --- drivers/tty/serial/zs.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/tty/serial/zs.c b/drivers/tty/serial/zs.c index 70969bf9d82c..5bc58591665a 100644 --- a/drivers/tty/serial/zs.c +++ b/drivers/tty/serial/zs.c @@ -981,7 +981,7 @@ static const char *zs_type(struct uart_port *uport) static void zs_release_port(struct uart_port *uport) { iounmap(uport->membase); - uport->membase = 0; + uport->membase = NULL; release_mem_region(uport->mapbase, ZS_CHAN_IO_SIZE); }