On Fri, 29 Nov 2024 01:20:41 +0800 kernel test robot <lkp@xxxxxxxxx> wrote: > Hi Matti, > > kernel test robot noticed the following build warnings: > > [auto build test WARNING on a61ff7eac77e86de828fe28c4e42b8ae9ec2b195] > > url: https://github.com/intel-lab-lkp/linux/commits/Matti-Vaittinen/iio-accel-kx022a-Use-cleanup-h-helpers/20241128-170626 > base: a61ff7eac77e86de828fe28c4e42b8ae9ec2b195 > patch link: https://lore.kernel.org/r/9b63813ecf10b1cd0126cb950bc09514c4287b9a.1732783834.git.mazziesaccount%40gmail.com > patch subject: [PATCH v3 7/7] iio: accel: kx022a: align with subsystem way > config: loongarch-allyesconfig (https://download.01.org/0day-ci/archive/20241129/202411290107.KXHPQXRf-lkp@xxxxxxxxx/config) > compiler: loongarch64-linux-gcc (GCC) 14.2.0 > reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241129/202411290107.KXHPQXRf-lkp@xxxxxxxxx/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 <lkp@xxxxxxxxx> > | Closes: https://lore.kernel.org/oe-kbuild-all/202411290107.KXHPQXRf-lkp@xxxxxxxxx/ > > All warnings (new ones prefixed by >>): > > drivers/iio/accel/kionix-kx022a.c: In function 'kx022a_write_raw': > drivers/iio/accel/kionix-kx022a.c:507:9: error: implicit declaration of function 'if_not_cond_guard' [-Wimplicit-function-declaration] > 507 | if_not_cond_guard(iio_claim_direct_try, idev) > | ^~~~~~~~~~~~~~~~~ > drivers/iio/accel/kionix-kx022a.c:507:27: error: 'iio_claim_direct_try' undeclared (first use in this function); did you mean 'class_iio_claim_direct_try_t'? > 507 | if_not_cond_guard(iio_claim_direct_try, idev) > | ^~~~~~~~~~~~~~~~~~~~ > | class_iio_claim_direct_try_t > drivers/iio/accel/kionix-kx022a.c:507:27: note: each undeclared identifier is reported only once for each function it appears in > drivers/iio/accel/kionix-kx022a.c:507:54: error: expected ';' before 'return' > 507 | if_not_cond_guard(iio_claim_direct_try, idev) > | ^ > | ; > 508 | return -EBUSY; > | ~~~~~~ > In file included from drivers/iio/accel/kionix-kx022a.c:8: > >> include/linux/cleanup.h:308:9: warning: this statement may fall through [-Wimplicit-fallthrough=] > 308 | for (CLASS(_name, scope)(args), \ > | ^~~ > drivers/iio/accel/kionix-kx022a.c:521:17: note: in expansion of macro 'scoped_guard' > 521 | scoped_guard(mutex, &data->mutex) { > | ^~~~~~~~~~~~ > drivers/iio/accel/kionix-kx022a.c:532:9: note: here > 532 | case IIO_CHAN_INFO_SCALE: > | ^~~~ > The precursor is coming through tip as I understand it. I'll have to hold off on applying this until after rc1. > > vim +308 include/linux/cleanup.h > > e4ab322fbaaaf8 Peter Zijlstra 2023-09-17 306 > 54da6a0924311c Peter Zijlstra 2023-05-26 307 #define scoped_guard(_name, args...) \ > 54da6a0924311c Peter Zijlstra 2023-05-26 @308 for (CLASS(_name, scope)(args), \ > e4ab322fbaaaf8 Peter Zijlstra 2023-09-17 309 *done = NULL; __guard_ptr(_name)(&scope) && !done; done = (void *)1) > e4ab322fbaaaf8 Peter Zijlstra 2023-09-17 310 >