From patchwork Fri Aug 21 08:53:48 2026 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Geert Uytterhoeven X-Patchwork-Id: 3046 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 243231C0126 for ; Fri, 21 Aug 2026 14:09:32 +0200 (CEST) Authentication-Results: mxe881; spf=pass (sender IP is 172.234.253.10) smtp.mailfrom=linux-sunxi+bounces-25282-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-25282-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 7D65333358D5 for ; 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t=1787303054; c=relaxed/simple; bh=0XNoe8YYLRaiChkh1AeHhGc8IS+4qTNW4ytFG4ucjf8=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=uJEe7a8qmNBRTVCQ1rpyEjpooz0CwcL+Fqitzls3p5xWTE0fSpBRCwgs9tRP01C1+PlJ6ZHDkTdZXDsX0kTMWwUgWtaCqI9iXI8E5rY6wQcdogRuEvFp6A9SCcNCsVeNAbnWKaQAUm28BKSOKMQ9LqYV1aW22oaBt5kshYbVbhc= 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 C869B1F00A3A; Fri, 21 Aug 2026 09:03:44 +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 38/45] clk: uniphier: Make sure clk_init_data is fully initialized Date: Fri, 21 Aug 2026 10:53:48 +0200 Message-ID: <491e41d759cec667d6bcd742673e1fec70b4bc31.1787239813.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)[]; MID_RHS_MATCH_FROM(0.00)[]; FROM_HAS_DN(0.00)[]; PRECEDENCE_BULK(0.00)[]; DMARC_NA(0.00)[glider.be]; RCVD_COUNT_FIVE(0.00)[5]; TAGGED_RCPT(0.00)[clk,renesas]; DBL_BLOCKED_OPENRESOLVER(0.00)[glider.be:email,sea.lore.kernel.org:rdns,sea.lore.kernel.org:helo]; 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]; TAGGED_FROM(0.00)[bounces-25282-noreply=patchwork.local,renesas]; 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]; 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)[]; MIME_TRACE(0.00)[0:+]; ARC_ALLOW(0.00)[subspace.kernel.org:s=arc-20240116:i=1]; RCVD_VIA_SMTP_AUTH(0.00)[] X-Rspamd-Queue-Id: 243231C0126 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/uniphier/clk-uniphier-cpugear.c | 2 +- drivers/clk/uniphier/clk-uniphier-fixed-factor.c | 2 +- drivers/clk/uniphier/clk-uniphier-fixed-rate.c | 2 +- drivers/clk/uniphier/clk-uniphier-gate.c | 2 +- drivers/clk/uniphier/clk-uniphier-mux.c | 2 +- 5 files changed, 5 insertions(+), 5 deletions(-) diff --git a/drivers/clk/uniphier/clk-uniphier-cpugear.c b/drivers/clk/uniphier/clk-uniphier-cpugear.c index a2f01a4da1276903..165c6832b722faa9 100644 --- a/drivers/clk/uniphier/clk-uniphier-cpugear.c +++ b/drivers/clk/uniphier/clk-uniphier-cpugear.c @@ -79,7 +79,7 @@ struct clk_hw *uniphier_clk_register_cpugear(struct device *dev, const struct uniphier_clk_cpugear_data *data) { struct uniphier_clk_cpugear *gear; - struct clk_init_data init; + struct clk_init_data init = {}; int ret; gear = devm_kzalloc(dev, sizeof(*gear), GFP_KERNEL); diff --git a/drivers/clk/uniphier/clk-uniphier-fixed-factor.c b/drivers/clk/uniphier/clk-uniphier-fixed-factor.c index a6a37a6bca3ab047..c86683fce20549d9 100644 --- a/drivers/clk/uniphier/clk-uniphier-fixed-factor.c +++ b/drivers/clk/uniphier/clk-uniphier-fixed-factor.c @@ -13,8 +13,8 @@ struct clk_hw *uniphier_clk_register_fixed_factor(struct device *dev, const char *name, const struct uniphier_clk_fixed_factor_data *data) { + struct clk_init_data init = {}; struct clk_fixed_factor *fix; - struct clk_init_data init; int ret; fix = devm_kzalloc(dev, sizeof(*fix), GFP_KERNEL); diff --git a/drivers/clk/uniphier/clk-uniphier-fixed-rate.c b/drivers/clk/uniphier/clk-uniphier-fixed-rate.c index 3bc55ab75314bf8d..63f49d3bab80bae8 100644 --- a/drivers/clk/uniphier/clk-uniphier-fixed-rate.c +++ b/drivers/clk/uniphier/clk-uniphier-fixed-rate.c @@ -13,8 +13,8 @@ struct clk_hw *uniphier_clk_register_fixed_rate(struct device *dev, const char *name, const struct uniphier_clk_fixed_rate_data *data) { + struct clk_init_data init = {}; struct clk_fixed_rate *fixed; - struct clk_init_data init; int ret; /* allocate fixed-rate clock */ diff --git a/drivers/clk/uniphier/clk-uniphier-gate.c b/drivers/clk/uniphier/clk-uniphier-gate.c index e58093e79dd7dc23..9f49e6bb6b2042f7 100644 --- a/drivers/clk/uniphier/clk-uniphier-gate.c +++ b/drivers/clk/uniphier/clk-uniphier-gate.c @@ -61,8 +61,8 @@ struct clk_hw *uniphier_clk_register_gate(struct device *dev, const char *name, const struct uniphier_clk_gate_data *data) { + struct clk_init_data init = {}; struct uniphier_clk_gate *gate; - struct clk_init_data init; int ret; gate = devm_kzalloc(dev, sizeof(*gate), GFP_KERNEL); diff --git a/drivers/clk/uniphier/clk-uniphier-mux.c b/drivers/clk/uniphier/clk-uniphier-mux.c index 1998e9d4cfc0224a..a63ad4df8e65ebcf 100644 --- a/drivers/clk/uniphier/clk-uniphier-mux.c +++ b/drivers/clk/uniphier/clk-uniphier-mux.c @@ -58,8 +58,8 @@ struct clk_hw *uniphier_clk_register_mux(struct device *dev, const char *name, const struct uniphier_clk_mux_data *data) { + struct clk_init_data init = {}; struct uniphier_clk_mux *mux; - struct clk_init_data init; int ret; mux = devm_kzalloc(dev, sizeof(*mux), GFP_KERNEL);