From patchwork Fri Aug 21 08:53:32 2026 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Geert Uytterhoeven X-Patchwork-Id: 3038 Return-Path: X-Original-To: noreply@patchwork.local Delivered-To: noreply@patchwork.local Received: from sea.lore.kernel.org (sea.lore.kernel.org [172.234.253.10]) by mxe881.netcup.net (Postfix) with ESMTPS id 010091C0585 for ; Fri, 21 Aug 2026 11:28:22 +0200 (CEST) Authentication-Results: mxe881; spf=pass (sender IP is 172.234.253.10) smtp.mailfrom=linux-sunxi+bounces-25266-noreply=patchwork.local@lists.linux.dev smtp.helo=sea.lore.kernel.org Received-SPF: pass (mxe881: domain of lists.linux.dev designates 172.234.253.10 as permitted sender) client-ip=172.234.253.10; envelope-from=linux-sunxi+bounces-25266-noreply=patchwork.local@lists.linux.dev; helo=sea.lore.kernel.org; Received: from smtp.subspace.kernel.org (conduit.subspace.kernel.org [100.90.174.1]) by sea.lore.kernel.org (Postfix) with ESMTP id 753B332564CE for ; 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t=1787302808; c=relaxed/simple; bh=pRVXb1B4mkcDAlVvE3F6/Q0p+cXchJkAbPiUwoVqaOA=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=bODl50BsDd9fNrvZD1c/ZV0dp0l/vF/Pi22SkN2CMiHmrPjXOiCPBVdNbJV2+YWFVz4ZsDZKAdBQ24zlktQiMoukImgOiBwKOrBMUEkdX1ps+OlwQheoVBljDJvSNs1O1F3I+nEr+mPRm5FpdTtoQUcrrtkyIYFGm66lWrJ2vAA= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 Received: by smtp.kernel.org (Postfix) with ESMTPSA id 8491B1F000E9; Fri, 21 Aug 2026 08:59:43 +0000 (UTC) From: Geert Uytterhoeven To: Ryan Chen , Joel Stanley , Stephen Boyd , Brian Masney , Jerome Brunet , Andrew Jeffery , Billy Tsai , Nicolas Ferre , Alexandre Belloni , Claudiu Beznea , Ray Jui , Scott Branden , Broadcom internal kernel review list , Taichi Sugaya , Takao Orito , Linus Walleij , Avi Fishman , Tomer Maimon , Tali Perry , Patrick Venture , Nancy Yuen , Benjamin Fair , Sudeep Holla , Cristian Marussi , David Lechner , Abel Vesa , Peng Fan , Frank Li , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam , Paul Cercueil , Santosh Shilimkar , Andrew Lunn , Gregory Clement , Sebastian Hesselbarth , Vladimir Zapolskiy , Heiko Stuebner , Krzysztof Kozlowski , Sylwester Nawrocki , Chanwoo Choi , Peter Griffin , Alim Akhtar , Dinh Nguyen , Viresh Kumar , Maxime Coquelin , Alexandre Torgue , =?utf-8?q?Emilio_L=C3=B3pe?= =?utf-8?q?z?= , Chen-Yu Tsai , Jernej Skrabec , Samuel Holland , Prashant Gaikwad , Thierry Reding , Jonathan Hunter , Kunihiko Hayashi , Masami Hiramatsu , Ulf Hansson , Liviu Dudau , Lorenzo Pieralisi , Michal Simek , Matthias Brugger Cc: linux-clk@vger.kernel.org, linux-aspeed@lists.ozlabs.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, openbmc@lists.ozlabs.org, arm-scmi@vger.kernel.org, imx@lists.linux.dev, linux-mips@vger.kernel.org, linux-renesas-soc@vger.kernel.org, linux-rockchip@lists.infradead.org, linux-samsung-soc@vger.kernel.org, soc@lists.linux.dev, linux-stm32@st-md-mailman.stormreply.com, linux-sunxi@lists.linux.dev, linux-tegra@vger.kernel.org, linux-mediatek@lists.infradead.org, Geert Uytterhoeven Subject: [PATCH 22/45] clk: nomadik: Make sure clk_init_data is fully initialized Date: Fri, 21 Aug 2026 10:53:32 +0200 Message-ID: <631df13629bf77d55bda770f94c7b1863690f2e2.1787239813.git.geert+renesas@glider.be> X-Mailer: git-send-email 2.43.0 In-Reply-To: References: Precedence: bulk X-Mailing-List: linux-sunxi@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Rspamd-Server: rspamd-worker-8404 X-Spamd-Result: default: False [3.84 / 15.00]; RBL_SENDERSCORE(2.00)[172.234.253.10:from]; SUSPICIOUS_RECIPS(1.50)[]; R_MISSING_CHARSET(0.50)[]; MAILLIST(-0.15)[generic]; MIME_GOOD(-0.10)[text/plain]; BAD_REP_POLICIES(0.10)[]; HAS_LIST_UNSUB(-0.01)[]; FROM_HAS_DN(0.00)[]; ARC_ALLOW(0.00)[subspace.kernel.org:s=arc-20240116:i=1]; PRECEDENCE_BULK(0.00)[]; DMARC_NA(0.00)[glider.be]; MID_RHS_MATCH_FROM(0.00)[]; TAGGED_RCPT(0.00)[clk,renesas]; DBL_BLOCKED_OPENRESOLVER(0.00)[glider.be:email,sea.lore.kernel.org:rdns,sea.lore.kernel.org:helo]; RCVD_COUNT_FIVE(0.00)[5]; FROM_NEQ_ENVFROM(0.00)[geert@glider.be,linux-sunxi@lists.linux.dev]; ASN(0.00)[asn:63949, ipnet:172.234.224.0/19, country:SG]; RCPT_COUNT_GT_50(0.00)[78]; FREEMAIL_TO(0.00)[aspeedtech.com,jms.id.au,kernel.org,redhat.com,baylibre.com,codeconstruct.com.au,microchip.com,bootlin.com,tuxon.dev,broadcom.com,socionext.com,gmail.com,google.com,arm.com,lechnology.com,nxp.com,pengutronix.de,crapouillou.net,lunn.ch,mleia.com,sntech.de,samsung.com,linaro.org,foss.st.com,elopez.com.ar,sholland.org,nvidia.com,amd.com]; R_SPF_ALLOW(0.00)[+ip4:172.234.253.10:c]; TO_DN_SOME(0.00)[]; FORGED_SENDER_MAILLIST(0.00)[]; FORGED_RECIPIENTS_MAILLIST(0.00)[]; R_DKIM_NA(0.00)[]; RCVD_TLS_LAST(0.00)[]; TAGGED_FROM(0.00)[bounces-25266-noreply=patchwork.local,renesas]; MIME_TRACE(0.00)[0:+]; RCVD_VIA_SMTP_AUTH(0.00)[] X-Rspamd-Queue-Id: 010091C0585 X-MORS-Enabled: yes X-MORS-DOMAIN: patchwork.local X-MORS-HOSTING: hosting172546 X-MORS-USER: hosting172546 X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= The clk_init_data structure contains several mutually-exclusive members for different methods to specify the possible parents of a clock, prompting drivers to initialize only the members they need. However, not initializing all members may cause subtle issues, which are only exposed when CONFIG_INIT_STACK_ALL_PATTERN or CONFIG_INIT_STACK_NONE is enabled. Make sure all members are fully initialized, to avoid such bugs, and to prevent future breakage when converting drivers to a different method for specifying the parents. Signed-off-by: Geert Uytterhoeven --- Compile-tested only. --- drivers/clk/clk-nomadik.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/clk/clk-nomadik.c b/drivers/clk/clk-nomadik.c index da6b89759a14ecb0..890084b3912b4cb5 100644 --- a/drivers/clk/clk-nomadik.c +++ b/drivers/clk/clk-nomadik.c @@ -263,7 +263,7 @@ pll_clk_register(struct device *dev, const char *name, { int ret; struct clk_pll *pll; - struct clk_init_data init; + struct clk_init_data init = {}; if (id != 1 && id != 2) { pr_err("%s: the Nomadik has only PLL 1 & 2\n", __func__); @@ -355,7 +355,7 @@ src_clk_register(struct device *dev, const char *name, { int ret; struct clk_src *sclk; - struct clk_init_data init; + struct clk_init_data init = {}; sclk = kzalloc_obj(*sclk); if (!sclk)