[kbuild-all] Re: [PATCH linux-next] arm: dma fix returnvar.cocci warnings

Hi jing, Thank you for the patch! Yet something to improve: [auto build test ERROR on next-20210819] url: https://github.com/0day-ci/linux/commits/jing-yangyang/arm-dma-fix-return... base: 33e65b1f975cd2814fc0ea9617250fc4c1d7a553 config: arm-defconfig (attached as .config) compiler: arm-linux-gnueabi-gcc (GCC) 11.2.0 reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # https://github.com/0day-ci/linux/commit/a5037ed7d3a617c82c996788afb1a7031... git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review jing-yangyang/arm-dma-fix-returnvar-cocci-warnings/20210820-101604 git checkout a5037ed7d3a617c82c996788afb1a703170eb192 # save the attached .config to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=arm SHELL=/bin/bash If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All errors (new ones prefixed by >>): In file included from arch/arm/mach-omap2/dma.c:30: arch/arm/mach-omap2/dma.c: In function 'configure_dma_errata': 105 | #define SET_DMA_ERRATA(id) (errata |= (id)) | ^~~~~~ arch/arm/mach-omap2/dma.c:112:17: note: in expansion of macro 'SET_DMA_ERRATA' 112 | SET_DMA_ERRATA(DMA_ERRATA_IFRAME_BUFFERING); | ^~~~~~~~~~~~~~ include/linux/omap-dma.h:105:42: note: each undeclared identifier is reported only once for each function it appears in 105 | #define SET_DMA_ERRATA(id) (errata |= (id)) | ^~~~~~ arch/arm/mach-omap2/dma.c:112:17: note: in expansion of macro 'SET_DMA_ERRATA' 112 | SET_DMA_ERRATA(DMA_ERRATA_IFRAME_BUFFERING); | ^~~~~~~~~~~~~~ vim +/errata +105 include/linux/omap-dma.h 45c3eb7d3a07eb Tony Lindgren 2012-11-30 102 45c3eb7d3a07eb Tony Lindgren 2012-11-30 103 /* Errata handling */ 45c3eb7d3a07eb Tony Lindgren 2012-11-30 104 #define IS_DMA_ERRATA(id) (errata & (id)) 45c3eb7d3a07eb Tony Lindgren 2012-11-30 @105 #define SET_DMA_ERRATA(id) (errata |= (id)) 45c3eb7d3a07eb Tony Lindgren 2012-11-30 106 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org