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X-CSE-ConnectionGUID: UeWcEWG6TraGSZZl2rlFxA== X-CSE-MsgGUID: cfMHJZ1+Ta686Q+3CLwC8A== X-IronPort-AV: E=McAfee;i="6800,10657,11700"; a="82940727" X-IronPort-AV: E=Sophos;i="6.21,289,1763452800"; d="scan'208";a="82940727" Received: from orviesa005.jf.intel.com ([10.64.159.145]) by fmvoesa103.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 13 Feb 2026 15:31:53 -0800 X-CSE-ConnectionGUID: AW1+DrwuQvCrzLSC77wnJw== X-CSE-MsgGUID: xo6uZ1VeTr2n/uHN8Av49w== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.21,289,1763452800"; d="scan'208";a="218023499" Received: from lkp-server01.sh.intel.com (HELO 765f4a05e27f) ([10.239.97.150]) by orviesa005.jf.intel.com with ESMTP; 13 Feb 2026 15:31:50 -0800 Received: from kbuild by 765f4a05e27f with local (Exim 4.98.2) (envelope-from ) id 1vr2dY-00000000vu8-1eXZ; Fri, 13 Feb 2026 23:31:48 +0000 Date: Sat, 14 Feb 2026 07:31:03 +0800 From: kernel test robot To: Neel Bullywon , jic23@kernel.org Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev, dlechner@baylibre.com, nuno.sa@analog.com, andy@kernel.org, linux-iio@vger.kernel.org, linux-kernel@vger.kernel.org, Neel Bullywon Subject: Re: [PATCH v6 1/3] iio: magnetometer: bmc150_magn: use automated cleanup for mutex Message-ID: <202602140708.3KGC8ZJJ-lkp@intel.com> References: <20260210233945.40975-2-neelb2403@gmail.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260210233945.40975-2-neelb2403@gmail.com> Hi Neel, kernel test robot noticed the following build errors: [auto build test ERROR on e7aa57247700733e52a8e2e4dee6a52c2a76de02] url: https://github.com/intel-lab-lkp/linux/commits/Neel-Bullywon/iio-magnetometer-bmc150_magn-use-automated-cleanup-for-mutex/20260211-074324 base: e7aa57247700733e52a8e2e4dee6a52c2a76de02 patch link: https://lore.kernel.org/r/20260210233945.40975-2-neelb2403%40gmail.com patch subject: [PATCH v6 1/3] iio: magnetometer: bmc150_magn: use automated cleanup for mutex config: loongarch-allmodconfig (https://download.01.org/0day-ci/archive/20260214/202602140708.3KGC8ZJJ-lkp@intel.com/config) compiler: clang version 19.1.7 (https://github.com/llvm/llvm-project cd708029e0b2869e80abe31ddb175f7c35361f90) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260214/202602140708.3KGC8ZJJ-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/202602140708.3KGC8ZJJ-lkp@intel.com/ All errors (new ones prefixed by >>): >> drivers/iio/magnetometer/bmc150_magn.c:561:2: error: cannot jump from switch statement to this case label 561 | default: | ^ drivers/iio/magnetometer/bmc150_magn.c:527:3: note: jump bypasses initialization of variable with __attribute__((cleanup)) 527 | guard(mutex)(&data->mutex); | ^ include/linux/cleanup.h:414:15: note: expanded from macro 'guard' 414 | CLASS(_name, __UNIQUE_ID(guard)) | ^ include/linux/compiler.h:168:2: note: expanded from macro '__UNIQUE_ID' 168 | __PASTE(__UNIQUE_ID_, \ | ^ include/linux/compiler_types.h:16:23: note: expanded from macro '__PASTE' 16 | #define __PASTE(a, b) ___PASTE(a, b) | ^ include/linux/compiler_types.h:15:24: note: expanded from macro '___PASTE' 15 | #define ___PASTE(a, b) a##b | ^ :122:1: note: expanded from here 122 | __UNIQUE_ID_guard_677 | ^ drivers/iio/magnetometer/bmc150_magn.c:529:2: error: cannot jump from switch statement to this case label 529 | case IIO_CHAN_INFO_OVERSAMPLING_RATIO: | ^ drivers/iio/magnetometer/bmc150_magn.c:527:3: note: jump bypasses initialization of variable with __attribute__((cleanup)) 527 | guard(mutex)(&data->mutex); | ^ include/linux/cleanup.h:414:15: note: expanded from macro 'guard' 414 | CLASS(_name, __UNIQUE_ID(guard)) | ^ include/linux/compiler.h:168:2: note: expanded from macro '__UNIQUE_ID' 168 | __PASTE(__UNIQUE_ID_, \ | ^ include/linux/compiler_types.h:16:23: note: expanded from macro '__PASTE' 16 | #define __PASTE(a, b) ___PASTE(a, b) | ^ include/linux/compiler_types.h:15:24: note: expanded from macro '___PASTE' 15 | #define ___PASTE(a, b) a##b | ^ :122:1: note: expanded from here 122 | __UNIQUE_ID_guard_677 | ^ 2 errors generated. vim +561 drivers/iio/magnetometer/bmc150_magn.c c91746a2361d75 Irina Tirdea 2015-04-29 515 c91746a2361d75 Irina Tirdea 2015-04-29 516 static int bmc150_magn_write_raw(struct iio_dev *indio_dev, c91746a2361d75 Irina Tirdea 2015-04-29 517 struct iio_chan_spec const *chan, c91746a2361d75 Irina Tirdea 2015-04-29 518 int val, int val2, long mask) c91746a2361d75 Irina Tirdea 2015-04-29 519 { c91746a2361d75 Irina Tirdea 2015-04-29 520 struct bmc150_magn_data *data = iio_priv(indio_dev); c91746a2361d75 Irina Tirdea 2015-04-29 521 int ret; c91746a2361d75 Irina Tirdea 2015-04-29 522 c91746a2361d75 Irina Tirdea 2015-04-29 523 switch (mask) { c91746a2361d75 Irina Tirdea 2015-04-29 524 case IIO_CHAN_INFO_SAMP_FREQ: 5990dc9703679a Irina Tirdea 2015-04-29 525 if (val > data->max_odr) 5990dc9703679a Irina Tirdea 2015-04-29 526 return -EINVAL; d65a37daae6aa8 Neel Bullywon 2026-02-10 527 guard(mutex)(&data->mutex); d65a37daae6aa8 Neel Bullywon 2026-02-10 528 return bmc150_magn_set_odr(data, val); 5990dc9703679a Irina Tirdea 2015-04-29 529 case IIO_CHAN_INFO_OVERSAMPLING_RATIO: 5990dc9703679a Irina Tirdea 2015-04-29 530 switch (chan->channel2) { 5990dc9703679a Irina Tirdea 2015-04-29 531 case IIO_MOD_X: 5990dc9703679a Irina Tirdea 2015-04-29 532 case IIO_MOD_Y: 5990dc9703679a Irina Tirdea 2015-04-29 533 if (val < 1 || val > 511) 5990dc9703679a Irina Tirdea 2015-04-29 534 return -EINVAL; d65a37daae6aa8 Neel Bullywon 2026-02-10 535 { d65a37daae6aa8 Neel Bullywon 2026-02-10 536 guard(mutex)(&data->mutex); 5990dc9703679a Irina Tirdea 2015-04-29 537 ret = bmc150_magn_set_max_odr(data, val, 0, 0); d65a37daae6aa8 Neel Bullywon 2026-02-10 538 if (ret < 0) 5990dc9703679a Irina Tirdea 2015-04-29 539 return ret; d65a37daae6aa8 Neel Bullywon 2026-02-10 540 return regmap_update_bits(data->regmap, 5990dc9703679a Irina Tirdea 2015-04-29 541 BMC150_MAGN_REG_REP_XY, 1506f3cd0b8169 Hartmut Knaack 2015-07-17 542 BMC150_MAGN_REG_REP_DATAMASK, d65a37daae6aa8 Neel Bullywon 2026-02-10 543 BMC150_MAGN_REPXY_TO_REGVAL(val)); d65a37daae6aa8 Neel Bullywon 2026-02-10 544 } 5990dc9703679a Irina Tirdea 2015-04-29 545 case IIO_MOD_Z: 5990dc9703679a Irina Tirdea 2015-04-29 546 if (val < 1 || val > 256) 5990dc9703679a Irina Tirdea 2015-04-29 547 return -EINVAL; d65a37daae6aa8 Neel Bullywon 2026-02-10 548 { d65a37daae6aa8 Neel Bullywon 2026-02-10 549 guard(mutex)(&data->mutex); 5990dc9703679a Irina Tirdea 2015-04-29 550 ret = bmc150_magn_set_max_odr(data, 0, val, 0); d65a37daae6aa8 Neel Bullywon 2026-02-10 551 if (ret < 0) 5990dc9703679a Irina Tirdea 2015-04-29 552 return ret; d65a37daae6aa8 Neel Bullywon 2026-02-10 553 return regmap_update_bits(data->regmap, 5990dc9703679a Irina Tirdea 2015-04-29 554 BMC150_MAGN_REG_REP_Z, 1506f3cd0b8169 Hartmut Knaack 2015-07-17 555 BMC150_MAGN_REG_REP_DATAMASK, d65a37daae6aa8 Neel Bullywon 2026-02-10 556 BMC150_MAGN_REPZ_TO_REGVAL(val)); d65a37daae6aa8 Neel Bullywon 2026-02-10 557 } 5990dc9703679a Irina Tirdea 2015-04-29 558 default: 5990dc9703679a Irina Tirdea 2015-04-29 559 return -EINVAL; 5990dc9703679a Irina Tirdea 2015-04-29 560 } c91746a2361d75 Irina Tirdea 2015-04-29 @561 default: c91746a2361d75 Irina Tirdea 2015-04-29 562 return -EINVAL; c91746a2361d75 Irina Tirdea 2015-04-29 563 } c91746a2361d75 Irina Tirdea 2015-04-29 564 } c91746a2361d75 Irina Tirdea 2015-04-29 565 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki