Hi, [auto build test WARNING on battery/master] [also build test WARNING on v4.7-rc3 next-20160617] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system] url: https://github.com/0day-ci/linux/commits/Sebastian-Reichel/Move-power-supply-subsystem-to-drivers-power-supply/20160617-213931 base: git://git.infradead.org/battery-2.6.git master config: s390-allyesconfig (attached as .config) compiler: s390x-linux-gnu-gcc (Debian 5.3.1-8) 5.3.1 20160205 reproduce: wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # save the attached .config to linux build tree make.cross ARCH=s390 All warnings (new ones prefixed by >>): drivers/power/supply/da9150-fg.c: In function 'da9150_fg_read_attr.isra.1': >> drivers/power/supply/da9150-fg.c:108:1: warning: 'da9150_fg_read_attr.isra.1' uses dynamic stack allocation } ^ vim +108 drivers/power/supply/da9150-fg.c a419b4fd drivers/power/da9150-fg.c Adam Thomson 2015-10-07 92 static u32 da9150_fg_read_attr(struct da9150_fg *fg, u8 code, u8 size) a419b4fd drivers/power/da9150-fg.c Adam Thomson 2015-10-07 93 a419b4fd drivers/power/da9150-fg.c Adam Thomson 2015-10-07 94 { a419b4fd drivers/power/da9150-fg.c Adam Thomson 2015-10-07 95 u8 buf[size]; a419b4fd drivers/power/da9150-fg.c Adam Thomson 2015-10-07 96 u8 read_addr; a419b4fd drivers/power/da9150-fg.c Adam Thomson 2015-10-07 97 u32 res = 0; a419b4fd drivers/power/da9150-fg.c Adam Thomson 2015-10-07 98 int i; a419b4fd drivers/power/da9150-fg.c Adam Thomson 2015-10-07 99 a419b4fd drivers/power/da9150-fg.c Adam Thomson 2015-10-07 100 /* Set QIF code (READ mode) */ a419b4fd drivers/power/da9150-fg.c Adam Thomson 2015-10-07 101 read_addr = (code & DA9150_QIF_CODE_MASK) | DA9150_QIF_READ; a419b4fd drivers/power/da9150-fg.c Adam Thomson 2015-10-07 102 a419b4fd drivers/power/da9150-fg.c Adam Thomson 2015-10-07 103 da9150_read_qif(fg->da9150, read_addr, size, buf); a419b4fd drivers/power/da9150-fg.c Adam Thomson 2015-10-07 104 for (i = 0; i < size; ++i) a419b4fd drivers/power/da9150-fg.c Adam Thomson 2015-10-07 105 res |= (buf[i] << (i * DA9150_QIF_BYTE_SIZE)); a419b4fd drivers/power/da9150-fg.c Adam Thomson 2015-10-07 106 a419b4fd drivers/power/da9150-fg.c Adam Thomson 2015-10-07 107 return res; a419b4fd drivers/power/da9150-fg.c Adam Thomson 2015-10-07 @108 } a419b4fd drivers/power/da9150-fg.c Adam Thomson 2015-10-07 109 a419b4fd drivers/power/da9150-fg.c Adam Thomson 2015-10-07 110 static void da9150_fg_write_attr(struct da9150_fg *fg, u8 code, u8 size, a419b4fd drivers/power/da9150-fg.c Adam Thomson 2015-10-07 111 u32 val) a419b4fd drivers/power/da9150-fg.c Adam Thomson 2015-10-07 112 a419b4fd drivers/power/da9150-fg.c Adam Thomson 2015-10-07 113 { a419b4fd drivers/power/da9150-fg.c Adam Thomson 2015-10-07 114 u8 buf[size]; a419b4fd drivers/power/da9150-fg.c Adam Thomson 2015-10-07 115 u8 write_addr; a419b4fd drivers/power/da9150-fg.c Adam Thomson 2015-10-07 116 int i; :::::: The code at line 108 was first introduced by commit :::::: a419b4fd9138c6cd5049d14813e7d94e596e4540 power: Add support for DA9150 Fuel-Gauge :::::: TO: Adam Thomson <Adam.Thomson.Opensource@xxxxxxxxxxx> :::::: CC: Lee Jones <lee.jones@xxxxxxxxxx> --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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