From mboxrd@z Thu Jan 1 00:00:00 1970 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 gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id B324CC982C5 for ; Wed, 16 Sep 2026 07:35:54 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id D7DE410E74E; Wed, 16 Sep 2026 07:35:20 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=google.com header.i=@google.com header.b="GN/NloDh"; dkim-atps=neutral Received: from mail-pl1-f198.google.com (mail-pl1-f198.google.com [209.85.214.198]) by gabe.freedesktop.org (Postfix) with ESMTPS id CB6E610FAF3 for ; Tue, 15 Sep 2026 08:20:12 +0000 (UTC) Received: by mail-pl1-f198.google.com with SMTP id d9443c01a7336-2d6f80c76e6so78372885ad.3 for ; Tue, 15 Sep 2026 01:20:12 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20251104; t=1789460412; x=1790065212; darn=lists.freedesktop.org; h=content-transfer-encoding:content-type:cc:to:from:subject :message-id:references:mime-version:in-reply-to:date:from:to:cc :subject:date:message-id:reply-to:content-type; bh=XkXp/XZtfYpYjiXJEDXdoQGA1NlHq2kVyqBGidLpG58=; b=GN/NloDh94ffKcaFlI4OhmcwF8tBeQZjISr0PSmWJslg+6PxRX86ncQVG4SxEIVAG1 cNcq73eL0TX5TAFvxvGmer7FhJsEV20X9/b1FVZNfnnp2JEEWWozE1+HkbE7a1DsZmLB cTGeUAaRujIHYLhE5tvt9IaxAIyskdtlqLGu7JKagW4OCq5Z5DoijstCVaYqNleQypl2 y3OhxBzNxVYabnmLxzDYhEht9euZTUoLbYyrXFvEPj2bp68DC2DB85aTnheWPnvSXAUX bmpPqF6Dp1WFw+CeepXvNjKAQ3KmjJUSmy7CafK0kVA8E+OaulrxKTkCAxIngLfqqcyQ KrSA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20260707; t=1789460412; x=1790065212; h=content-transfer-encoding:content-type:cc:to:from:subject :message-id:references:mime-version:in-reply-to:date :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to :content-type; bh=XkXp/XZtfYpYjiXJEDXdoQGA1NlHq2kVyqBGidLpG58=; b=IRWULzHcDrx+cfP1n9jQvEcdetu1SPGi8+ZSAdzq761nUtqjmkRcrjzvTYunwLYoKH GNA+pF1JWKaFBfumHhbtYrnaCLZtxfqNK4oMug4pAtdztOR4L73PWUw2YD9CMY6zrO3q vSdMqh9YoCQZLHnVgoixK1V7ny5oK0Jtqgpp0WRFMNnejWvqF4xiwBfDKbiXjkDpsRIx CRCVFq9DCrhxJm067J7gTS99AjsRz+2L765hTXJAgKtjKTyCoSWaDdK6qr1QmkAnYBL0 MqiHjDhkJyXra91YOrQ6+jXvRwbDLuKNqnv1bBYl5DZmRZ1zjA6vHSrhGVBDdrviGALf Q2lA== X-Forwarded-Encrypted: i=1; AKwUvBzO56SxOAfnrSqvHIMj++n6yBKCXtKniCNS+vsutHwhnNlfBRscuAlfz/Dbliv5inRFOSG6t9hwWlk=@lists.freedesktop.org X-Gm-Message-State: AFuF++nO96llUen9n6bt1O3pur4BaICj8nbJgy6WR32cZmohPGc+ZNBD xvZvrGhhWiDbbqI9coH9Dfn6ySzXW+XCSTn+IGZwcggN6AHtNIRRk8Vzyyoc0lmpDNRS4Dl63Fq H X-Received: from plbkc7.prod.google.com ([2002:a17:903:33c7:b0:2dd:630:cea4]) (user=morbo job=prod-delivery.src-stubby-dispatcher) by 2002:a17:903:1965:b0:2d3:716e:e2ae with SMTP id d9443c01a7336-2dd6c5ef019mr154580855ad.6.1789460411846; Tue, 15 Sep 2026 01:20:11 -0700 (PDT) Date: Tue, 15 Sep 2026 08:18:37 +0000 In-Reply-To: <20260915081910.4142719-1-morbo@google.com> Mime-Version: 1.0 References: <20260915081910.4142719-1-morbo@google.com> X-Mailer: git-send-email 2.55.0.1032.g73a4cd73de-goog Message-ID: <20260915081910.4142719-21-morbo@google.com> Subject: [PATCH 20/28] parisc: Refactor strlcat() to seq_buf in setup_cmdline() From: Bill Wendling To: linux-kernel@vger.kernel.org Cc: Bill Wendling , codemender-patching+linux@google.com, Russell King , Huacai Chen , WANG Xuerui , Thomas Bogendoerfer , "James E.J. Bottomley" , Helge Deller , Thomas Gleixner , Ingo Molnar , Borislav Petkov , Dave Hansen , x86@kernel.org, "H. Peter Anvin" , Ian Abbott , H Hartley Sweeten , Tony Luck , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter , Matthew Brost , "=?UTF-8?q?Thomas=20Hellstr=C3=B6m?=" , Rodrigo Vivi , Dmitry Torokhov , Matthias Schwarzott , Mauro Carvalho Chehab , Tony Nguyen , Przemek Kitszel , Andrew Lunn , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Arend van Spriel , Rob Herring , Saravana Kannan , Krzysztof Kozlowski , Sylwester Nawrocki , Peter Griffin , Alim Akhtar , Linus Walleij , Anil Gurumurthy , Sudarsana Kalluru , "Martin K. Petersen" , Trond Myklebust , Anna Schumaker , Mike Marshall , Martin Brandenburg , Kees Cook , Jiri Pirko , Simon Horman , Chuck Lever , Jeff Layton , NeilBrown , Olga Kornievskaia , Dai Ngo , Tom Talpey , Jaroslav Kysela , Takashi Iwai , Andrew Morton , "Mike Rapoport (Microsoft)" , Kanglong Wang , Tiezhu Yang , Qiang Ma , Randy Dunlap , Pengpeng Hou , Ard Biesheuvel , Breno Leitao , Thorsten Blum , Harshit Mogalapalli , Greg Kroah-Hartman , Lyude Paul , Ashutosh Desai , Imre Deak , Dmitry Baryshkov , Johan Hovold , Johannes Berg , Miri Korenblit , Alexander Stein , Cryolitia PukNgae , Jiaming Zhang , Will Porter , Cen Zhang , "=?UTF-8?q?C=C3=A1ssio=20Gabriel?=" , Rong Zhang , Arun Raghavan , linux-arm-kernel@lists.infradead.org, loongarch@lists.linux.dev, linux-mips@vger.kernel.org, linux-parisc@vger.kernel.org, linux-edac@vger.kernel.org, dri-devel@lists.freedesktop.org, intel-xe@lists.freedesktop.org, linux-input@vger.kernel.org, linux-media@vger.kernel.org, intel-wired-lan@lists.osuosl.org, netdev@vger.kernel.org, linux-wireless@vger.kernel.org, brcm80211@lists.linux.dev, brcm80211-dev-list.pdl@broadcom.com, devicetree@vger.kernel.org, linux-samsung-soc@vger.kernel.org, linux-gpio@vger.kernel.org, linux-scsi@vger.kernel.org, linux-nfs@vger.kernel.org, devel@lists.orangefs.org, linux-hardening@vger.kernel.org, linux-sound@vger.kernel.org Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Mailman-Approved-At: Wed, 16 Sep 2026 07:35:16 +0000 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" setup_cmdline() uses multiple strlcat() calls to conditionally append default console and earlycon parameters to boot_command_line. In preparation for removing the deprecated strlcat() API[1], initialize a struct seq_buf with the existing boot_command_line contents and use seq_buf_printf() to append the console parameters. Link: https://github.com/KSPP/linux/issues/370 [1] Cc: codemender-patching+linux@google.com Assisted-by: CoPilot:Gemini-1.5-Pro [editor_update_file, shell_command_run] Signed-off-by: Bill Wendling --- Cc: Russell King Cc: Huacai Chen Cc: WANG Xuerui Cc: Thomas Bogendoerfer Cc: "James E.J. Bottomley" Cc: Helge Deller Cc: Thomas Gleixner Cc: Ingo Molnar Cc: Borislav Petkov Cc: Dave Hansen Cc: x86@kernel.org Cc: "H. Peter Anvin" Cc: Ian Abbott Cc: H Hartley Sweeten Cc: Tony Luck Cc: Maarten Lankhorst Cc: Maxime Ripard Cc: Thomas Zimmermann Cc: David Airlie Cc: Simona Vetter Cc: Matthew Brost Cc: "Thomas Hellstr=C3=B6m" Cc: Rodrigo Vivi Cc: Dmitry Torokhov Cc: Matthias Schwarzott Cc: Mauro Carvalho Chehab Cc: Tony Nguyen Cc: Przemek Kitszel Cc: Andrew Lunn Cc: "David S. Miller" Cc: Eric Dumazet Cc: Jakub Kicinski Cc: Paolo Abeni Cc: Arend van Spriel Cc: Rob Herring Cc: Saravana Kannan Cc: Krzysztof Kozlowski Cc: Sylwester Nawrocki Cc: Peter Griffin Cc: Alim Akhtar Cc: Linus Walleij Cc: Anil Gurumurthy Cc: Sudarsana Kalluru Cc: "Martin K. Petersen" Cc: Trond Myklebust Cc: Anna Schumaker Cc: Mike Marshall Cc: Martin Brandenburg Cc: Kees Cook Cc: Jiri Pirko Cc: Simon Horman Cc: Chuck Lever Cc: Jeff Layton Cc: NeilBrown Cc: Olga Kornievskaia Cc: Dai Ngo Cc: Tom Talpey Cc: Jaroslav Kysela Cc: Takashi Iwai Cc: Bill Wendling Cc: Andrew Morton Cc: "Mike Rapoport (Microsoft)" Cc: Kanglong Wang Cc: Tiezhu Yang Cc: Qiang Ma Cc: Randy Dunlap Cc: Pengpeng Hou Cc: Ard Biesheuvel Cc: Breno Leitao Cc: Thorsten Blum Cc: Harshit Mogalapalli Cc: Greg Kroah-Hartman Cc: Lyude Paul Cc: Ashutosh Desai Cc: Imre Deak Cc: Dmitry Baryshkov Cc: Johan Hovold Cc: Johannes Berg Cc: Miri Korenblit Cc: Alexander Stein Cc: Cryolitia PukNgae Cc: Jiaming Zhang Cc: Will Porter Cc: Cen Zhang Cc: "C=C3=A1ssio Gabriel" Cc: Rong Zhang Cc: Arun Raghavan Cc: linux-arm-kernel@lists.infradead.org Cc: linux-kernel@vger.kernel.org Cc: loongarch@lists.linux.dev Cc: linux-mips@vger.kernel.org Cc: linux-parisc@vger.kernel.org Cc: linux-edac@vger.kernel.org Cc: dri-devel@lists.freedesktop.org Cc: intel-xe@lists.freedesktop.org Cc: linux-input@vger.kernel.org Cc: linux-media@vger.kernel.org Cc: intel-wired-lan@lists.osuosl.org Cc: netdev@vger.kernel.org Cc: linux-wireless@vger.kernel.org Cc: brcm80211@lists.linux.dev Cc: brcm80211-dev-list.pdl@broadcom.com Cc: devicetree@vger.kernel.org Cc: linux-samsung-soc@vger.kernel.org Cc: linux-gpio@vger.kernel.org Cc: linux-scsi@vger.kernel.org Cc: linux-nfs@vger.kernel.org Cc: devel@lists.orangefs.org Cc: linux-hardening@vger.kernel.org Cc: linux-sound@vger.kernel.org --- arch/parisc/kernel/setup.c | 16 ++++++++++------ 1 file changed, 10 insertions(+), 6 deletions(-) diff --git a/arch/parisc/kernel/setup.c b/arch/parisc/kernel/setup.c index d3e17a7a8901..fa3efc82ad87 100644 --- a/arch/parisc/kernel/setup.c +++ b/arch/parisc/kernel/setup.c @@ -17,6 +17,7 @@ #include #include #include +#include #define PCI_DEBUG #include #undef PCI_DEBUG @@ -42,6 +43,7 @@ static char __initdata command_line[COMMAND_LINE_SIZE]; static void __init setup_cmdline(char **cmdline_p) { extern unsigned int boot_args[]; + struct seq_buf s; char *p; =20 *cmdline_p =3D command_line; @@ -54,19 +56,21 @@ static void __init setup_cmdline(char **cmdline_p) strscpy(boot_command_line, (char *)__va(boot_args[1]), COMMAND_LINE_SIZE); =20 + s.buffer =3D boot_command_line; + s.size =3D COMMAND_LINE_SIZE; + s.len =3D strlen(boot_command_line); + /* autodetect console type (if not done by palo yet) */ p =3D boot_command_line; if (!str_has_prefix(p, "console=3D") && !strstr(p, " console=3D")) { - strlcat(p, " console=3D", COMMAND_LINE_SIZE); - if (PAGE0->mem_cons.cl_class =3D=3D CL_DUPLEX) - strlcat(p, "ttyS0", COMMAND_LINE_SIZE); - else - strlcat(p, "tty0", COMMAND_LINE_SIZE); + seq_buf_printf(&s, " console=3D%s", + PAGE0->mem_cons.cl_class =3D=3D CL_DUPLEX ? + "ttyS0" : "tty0"); } =20 /* default to use early console */ if (!strstr(p, "earlycon")) - strlcat(p, " earlycon=3Dpdc", COMMAND_LINE_SIZE); + seq_buf_printf(&s, " earlycon=3Dpdc"); =20 #ifdef CONFIG_BLK_DEV_INITRD /* did palo pass us a ramdisk? */ --=20 2.55.0.1032.g73a4cd73de-goog