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X-CSE-ConnectionGUID: elKWBTTNRFGpVtgqei0qTw== X-CSE-MsgGUID: TkFvbhkRQECwu7qjaoyADQ== X-IronPort-AV: E=McAfee;i="6800,10657,11712"; a="60649548" X-IronPort-AV: E=Sophos;i="6.21,310,1763452800"; d="scan'208";a="60649548" Received: from orviesa009.jf.intel.com ([10.64.159.149]) by fmvoesa110.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 25 Feb 2026 07:50:07 -0800 X-CSE-ConnectionGUID: pLCBjeGwRnaEwGOnhDOwFA== X-CSE-MsgGUID: kfIOF1OnQ2um1vo98plwpA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.21,310,1763452800"; d="scan'208";a="216152560" Received: from lkp-server02.sh.intel.com (HELO a3936d6a266d) ([10.239.97.151]) by orviesa009.jf.intel.com with ESMTP; 25 Feb 2026 07:50:05 -0800 Received: from kbuild by a3936d6a266d with local (Exim 4.98.2) (envelope-from ) id 1vvH8c-000000006LZ-3yqD; Wed, 25 Feb 2026 15:49:39 +0000 Date: Wed, 25 Feb 2026 23:48:58 +0800 From: kernel test robot To: oe-kbuild@lists.linux.dev Cc: lkp@intel.com, Julia Lawall Subject: Re: [PATCH v10 3/9] mux: Add helper functions for getting optional and selected mux-state Message-ID: <202602252310.2cVbnvYP-lkp@intel.com> Precedence: bulk X-Mailing-List: oe-kbuild@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline BCC: lkp@intel.com CC: oe-kbuild-all@lists.linux.dev In-Reply-To: <20260225-rz-sdio-mux-v10-3-1ee44f2ea112@solid-run.com> References: <20260225-rz-sdio-mux-v10-3-1ee44f2ea112@solid-run.com> TO: Josua Mayer TO: "Marc Kleine-Budde" TO: Vincent Mailhol TO: Vinod Koul TO: Neil Armstrong TO: Peter Rosin TO: Aaro Koskinen TO: Andreas Kemnade TO: Kevin Hilman TO: Roger Quadros TO: Tony Lindgren TO: Janusz Krzysztofik TO: Vignesh R TO: Andi Shyti TO: Ulf Hansson TO: Rob Herring TO: Krzysztof Kozlowski TO: Conor Dooley TO: Geert Uytterhoeven TO: Magnus Damm TO: Wolfram Sang TO: Yoshihiro Shimoda CC: Yazan Shhady CC: Jon Nettleton CC: Vladimir Oltean CC: Mikhail Anikin CC: linux-can@vger.kernel.org CC: linux-phy@lists.infradead.org CC: linux-kernel@vger.kernel.org CC: linux-omap@vger.kernel.org CC: linux-i2c@vger.kernel.org Hi Josua, kernel test robot noticed the following build warnings: [auto build test WARNING on 6de23f81a5e08be8fbf5e8d7e9febc72a5b5f27f] url: https://github.com/intel-lab-lkp/linux/commits/Josua-Mayer/phy-can-transceiver-rename-temporary-helper-function-to-avoid-conflict/20260225-194325 base: 6de23f81a5e08be8fbf5e8d7e9febc72a5b5f27f patch link: https://lore.kernel.org/r/20260225-rz-sdio-mux-v10-3-1ee44f2ea112%40solid-run.com patch subject: [PATCH v10 3/9] mux: Add helper functions for getting optional and selected mux-state :::::: branch date: 4 hours ago :::::: commit date: 4 hours ago config: sparc-randconfig-r053-20260225 (https://download.01.org/0day-ci/archive/20260225/202602252310.2cVbnvYP-lkp@intel.com/config) compiler: sparc-linux-gcc (GCC) 13.4.0 If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot | Reported-by: Julia Lawall | Closes: https://lore.kernel.org/r/202602252310.2cVbnvYP-lkp@intel.com/ cocci warnings: (new ones prefixed by >>) >> drivers/mux/core.c:733:18-24: ERROR: reference preceded by free on line 732 vim +733 drivers/mux/core.c a3b02a9c6591ce drivers/mux/mux-core.c Peter Rosin 2017-05-14 712 a67ef2fe0fda72 drivers/mux/core.c Josua Mayer 2026-02-25 713 /** 6632866df852bd drivers/mux/core.c Peter Rosin 2022-01-07 714 * mux_state_get() - Get the mux-state for a device. 6632866df852bd drivers/mux/core.c Peter Rosin 2022-01-07 715 * @dev: The device that needs a mux-state. 6632866df852bd drivers/mux/core.c Peter Rosin 2022-01-07 716 * @mux_name: The name identifying the mux-state. a67ef2fe0fda72 drivers/mux/core.c Josua Mayer 2026-02-25 717 * @optional: Whether to return NULL and silence errors when mux doesn't exist. 6632866df852bd drivers/mux/core.c Peter Rosin 2022-01-07 718 * a67ef2fe0fda72 drivers/mux/core.c Josua Mayer 2026-02-25 719 * Return: Pointer to the mux-state on success, an ERR_PTR with a negative errno on error, a67ef2fe0fda72 drivers/mux/core.c Josua Mayer 2026-02-25 720 * or NULL if optional is true and mux doesn't exist. 6632866df852bd drivers/mux/core.c Peter Rosin 2022-01-07 721 */ a67ef2fe0fda72 drivers/mux/core.c Josua Mayer 2026-02-25 722 static struct mux_state *mux_state_get(struct device *dev, const char *mux_name, bool optional) 6632866df852bd drivers/mux/core.c Peter Rosin 2022-01-07 723 { 6632866df852bd drivers/mux/core.c Peter Rosin 2022-01-07 724 struct mux_state *mstate; 6632866df852bd drivers/mux/core.c Peter Rosin 2022-01-07 725 bf4afc53b77aea drivers/mux/core.c Linus Torvalds 2026-02-21 726 mstate = kzalloc_obj(*mstate); 6632866df852bd drivers/mux/core.c Peter Rosin 2022-01-07 727 if (!mstate) 6632866df852bd drivers/mux/core.c Peter Rosin 2022-01-07 728 return ERR_PTR(-ENOMEM); 6632866df852bd drivers/mux/core.c Peter Rosin 2022-01-07 729 a67ef2fe0fda72 drivers/mux/core.c Josua Mayer 2026-02-25 730 mstate->mux = mux_get(dev, mux_name, &mstate->state, optional); 6632866df852bd drivers/mux/core.c Peter Rosin 2022-01-07 731 if (IS_ERR(mstate->mux)) { 6632866df852bd drivers/mux/core.c Peter Rosin 2022-01-07 @732 kfree(mstate); a67ef2fe0fda72 drivers/mux/core.c Josua Mayer 2026-02-25 @733 return ERR_CAST(mstate->mux); a67ef2fe0fda72 drivers/mux/core.c Josua Mayer 2026-02-25 734 } else if (optional && !mstate->mux) { a67ef2fe0fda72 drivers/mux/core.c Josua Mayer 2026-02-25 735 kfree(mstate); a67ef2fe0fda72 drivers/mux/core.c Josua Mayer 2026-02-25 736 return NULL; a67ef2fe0fda72 drivers/mux/core.c Josua Mayer 2026-02-25 737 } else if (!mstate->mux) { a67ef2fe0fda72 drivers/mux/core.c Josua Mayer 2026-02-25 738 kfree(mstate); a67ef2fe0fda72 drivers/mux/core.c Josua Mayer 2026-02-25 739 return ERR_PTR(-ENOENT); 6632866df852bd drivers/mux/core.c Peter Rosin 2022-01-07 740 } 6632866df852bd drivers/mux/core.c Peter Rosin 2022-01-07 741 6632866df852bd drivers/mux/core.c Peter Rosin 2022-01-07 742 return mstate; 6632866df852bd drivers/mux/core.c Peter Rosin 2022-01-07 743 } 6632866df852bd drivers/mux/core.c Peter Rosin 2022-01-07 744 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki