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X-CSE-ConnectionGUID: NZSsCEeRQqW5sV+/jSwWMA== X-CSE-MsgGUID: TVQTVi4DS4GwYcEu370YIQ== X-IronPort-AV: E=McAfee;i="6800,10657,11939"; a="1050510" X-IronPort-AV: E=Sophos;i="6.27,166,1787036400"; d="scan'208";a="1050510" Received: from fmviesa003.fm.intel.com ([10.60.135.143]) by orvoesa110.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 18 Oct 2026 10:50:54 -0700 X-CSE-ConnectionGUID: 8BZK8WJzSBaK9jrCG2wy6A== X-CSE-MsgGUID: qc3qz7vWQamvT5AgBaks6Q== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.27,166,1787036400"; d="scan'208";a="2409896" Received: from igk-lkp-server01.igk.intel.com (HELO 3c253b998be3) ([10.211.93.152]) by fmviesa003.fm.intel.com with ESMTP; 18 Oct 2026 10:50:52 -0700 Received: from kbuild by 3c253b998be3 with local (Exim 4.98.2) (envelope-from ) id 1xIV22-000000005C3-3FLm; Sun, 18 Oct 2026 17:50:50 +0000 Date: Sun, 18 Oct 2026 19:50:49 +0200 From: kernel test robot To: cros-kernel-buildreports@googlegroups.com Cc: oe-kbuild-all@lists.linux.dev Subject: [android-common:android17-6.18-kminext 1/1] drivers/power/supply/power_supply_core.c:596:13: warning: variable 'ret' set but not used Message-ID: <202610181905.N3MSjqdg-lkp@intel.com> User-Agent: s-nail v14.9.25 Precedence: bulk X-Mailing-List: oe-kbuild-all@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: tree: https://android.googlesource.com/kernel/common android17-6.18-kminext head: 3c5c679801a6a6e4a5aba2889fc2a5eeca9f58ef commit: 64e2ee084b16924dde01aad0849acbc08c9ee506 [1/1] Merge 07b43820437b ("Merge tag 'for-v6.17' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply") into android-mainline config: x86_64-allnoconfig-bpf (https://download.01.org/0day-ci/archive/20261018/202610181905.N3MSjqdg-lkp@intel.com/config) compiler: gcc-14 (Debian 14.2.0-19) 14.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20261018/202610181905.N3MSjqdg-lkp@intel.com/reproduce) 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 | Closes: https://lore.kernel.org/oe-kbuild-all/202610181905.N3MSjqdg-lkp@intel.com/ All warnings (new ones prefixed by >>): drivers/power/supply/power_supply_core.c:590:5: error: conflicting types for 'power_supply_get_by_phandle_array'; have 'int(struct device_node *, const char *, struct power_supply **, ssize_t)' {aka 'int(struct device_node *, const char *, struct power_supply **, long int)'} 590 | int power_supply_get_by_phandle_array(struct device_node *np, | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from drivers/power/supply/power_supply_core.c:21: ./include/linux/power_supply.h:823:1: note: previous definition of 'power_supply_get_by_phandle_array' with type 'int(struct device_node *, const char *, struct power_supply **, int)' 823 | power_supply_get_by_phandle_array(struct device_node *np, | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/power/supply/power_supply_core.c: In function 'power_supply_get_by_phandle_array': >> drivers/power/supply/power_supply_core.c:596:13: warning: variable 'ret' set but not used [-Wunused-but-set-variable] 596 | int ret; | ^~~ vim +/ret +596 drivers/power/supply/power_supply_core.c dea1a925f6a164 Badhri Jagan Sridharan 2020-09-01 569 dea1a925f6a164 Badhri Jagan Sridharan 2020-09-01 570 /** dea1a925f6a164 Badhri Jagan Sridharan 2020-09-01 571 * power_supply_get_by_phandle_array() - Similar to dea1a925f6a164 Badhri Jagan Sridharan 2020-09-01 572 * power_supply_get_by_phandle but returns an array of power supply dea1a925f6a164 Badhri Jagan Sridharan 2020-09-01 573 * objects which are associated with the phandle. dea1a925f6a164 Badhri Jagan Sridharan 2020-09-01 574 * @np: Pointer to device node holding phandle property. dea1a925f6a164 Badhri Jagan Sridharan 2020-09-01 575 * @property: Name of property holding a power supply name. dea1a925f6a164 Badhri Jagan Sridharan 2020-09-01 576 * @psy: Array of power_supply pointers provided by the client which is dea1a925f6a164 Badhri Jagan Sridharan 2020-09-01 577 * filled by power_supply_get_by_phandle_array. dea1a925f6a164 Badhri Jagan Sridharan 2020-09-01 578 * @size: size of power_supply pointer array. dea1a925f6a164 Badhri Jagan Sridharan 2020-09-01 579 * dea1a925f6a164 Badhri Jagan Sridharan 2020-09-01 580 * If power supply was found, it increases reference count for the dea1a925f6a164 Badhri Jagan Sridharan 2020-09-01 581 * internal power supply's device. The user should power_supply_put() dea1a925f6a164 Badhri Jagan Sridharan 2020-09-01 582 * after usage. dea1a925f6a164 Badhri Jagan Sridharan 2020-09-01 583 * dea1a925f6a164 Badhri Jagan Sridharan 2020-09-01 584 * Return: On success returns the number of power supply objects filled dea1a925f6a164 Badhri Jagan Sridharan 2020-09-01 585 * in the @psy array. dea1a925f6a164 Badhri Jagan Sridharan 2020-09-01 586 * -EOVERFLOW when size of @psy array is not suffice. dea1a925f6a164 Badhri Jagan Sridharan 2020-09-01 587 * -EINVAL when @psy is NULL or @size is 0. dea1a925f6a164 Badhri Jagan Sridharan 2020-09-01 588 * -ENODEV when matching device_node is not found. dea1a925f6a164 Badhri Jagan Sridharan 2020-09-01 589 */ dea1a925f6a164 Badhri Jagan Sridharan 2020-09-01 590 int power_supply_get_by_phandle_array(struct device_node *np, dea1a925f6a164 Badhri Jagan Sridharan 2020-09-01 591 const char *property, dea1a925f6a164 Badhri Jagan Sridharan 2020-09-01 592 struct power_supply **psy, dea1a925f6a164 Badhri Jagan Sridharan 2020-09-01 593 ssize_t size) dea1a925f6a164 Badhri Jagan Sridharan 2020-09-01 594 { dea1a925f6a164 Badhri Jagan Sridharan 2020-09-01 595 struct device_node *power_supply_np; dea1a925f6a164 Badhri Jagan Sridharan 2020-09-01 @596 int ret; dea1a925f6a164 Badhri Jagan Sridharan 2020-09-01 597 struct match_device_node_array_param param; dea1a925f6a164 Badhri Jagan Sridharan 2020-09-01 598 dea1a925f6a164 Badhri Jagan Sridharan 2020-09-01 599 if (!psy || !size) dea1a925f6a164 Badhri Jagan Sridharan 2020-09-01 600 return -EINVAL; dea1a925f6a164 Badhri Jagan Sridharan 2020-09-01 601 dea1a925f6a164 Badhri Jagan Sridharan 2020-09-01 602 power_supply_np = of_parse_phandle(np, property, 0); dea1a925f6a164 Badhri Jagan Sridharan 2020-09-01 603 if (!power_supply_np) dea1a925f6a164 Badhri Jagan Sridharan 2020-09-01 604 return -ENODEV; dea1a925f6a164 Badhri Jagan Sridharan 2020-09-01 605 dea1a925f6a164 Badhri Jagan Sridharan 2020-09-01 606 param.parent_of_node = power_supply_np; dea1a925f6a164 Badhri Jagan Sridharan 2020-09-01 607 param.psy = psy; dea1a925f6a164 Badhri Jagan Sridharan 2020-09-01 608 param.psy_size = size; dea1a925f6a164 Badhri Jagan Sridharan 2020-09-01 609 param.psy_count = 0; 9f81255173e97d Lee Jones 2024-04-08 610 ret = class_for_each_device(&power_supply_class, NULL, ¶m, dea1a925f6a164 Badhri Jagan Sridharan 2020-09-01 611 power_supply_match_device_node_array); dea1a925f6a164 Badhri Jagan Sridharan 2020-09-01 612 dea1a925f6a164 Badhri Jagan Sridharan 2020-09-01 613 of_node_put(power_supply_np); dea1a925f6a164 Badhri Jagan Sridharan 2020-09-01 614 dea1a925f6a164 Badhri Jagan Sridharan 2020-09-01 615 return param.psy_count; dea1a925f6a164 Badhri Jagan Sridharan 2020-09-01 616 } dea1a925f6a164 Badhri Jagan Sridharan 2020-09-01 617 EXPORT_SYMBOL_GPL(power_supply_get_by_phandle_array); dea1a925f6a164 Badhri Jagan Sridharan 2020-09-01 618 :::::: The code at line 596 was first introduced by commit :::::: dea1a925f6a164bc2b21ac2484983ae40347f012 ANDROID: power_supply: Add a helper function to retrieve psy array from phandle :::::: TO: Badhri Jagan Sridharan :::::: CC: Alistair Delva -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki