Hi Буди, [auto build test WARNING on linuxtv-media/master] [also build test WARNING on v4.6-rc2 next-20160404] [if your patch is applied to the wrong git tree, please drop us a note to help improving the system] url: https://github.com/0day-ci/linux/commits/info-are-ma/DVB-driver-for-Earthsoft-PT3-PLEX-PX-Q3PE-ISDB-S-T-PCIE-cards-PX-BCUD-ISDB-S-USB-dongle/20160405-011100 base: git://linuxtv.org/media_tree.git master config: s390-allmodconfig (attached as .config) 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/media/pci/ptx/pxq3pe.c: In function 'pxq3pe_xfr': >> drivers/media/pci/ptx/pxq3pe.c:257:1: warning: 'pxq3pe_xfr' uses dynamic stack allocation } ^ vim +/pxq3pe_xfr +257 drivers/media/pci/ptx/pxq3pe.c 241 regadr = msg->len ? *msg->buf : 0, 242 mode = slvadr == PXQ3PE_I2C_ADR_GPIO ? PXQ3PE_MOD_GPIO 243 : sz > 1 && i == sz - 2 ? PXQ3PE_MOD_STAT 244 : PXQ3PE_MOD_TUNER; 245 246 mutex_lock(&card->lock); 247 if (msg->flags & I2C_M_RD) { 248 u8 buf[sz]; 249 250 ret = pxq3pe_r(card, slvadr, regadr, buf, msg->len, mode); 251 memcpy(msg->buf, buf, msg->len); 252 } else 253 ret = pxq3pe_w(card, slvadr, regadr, msg->buf, msg->len, mode); 254 mutex_unlock(&card->lock); 255 } 256 return i; > 257 } 258 259 bool pxq3pe_w_gpio2(struct ptx_card *card, u8 dat, u8 mask) 260 { 261 u8 val; 262 263 return pxq3pe_r(card, PXQ3PE_I2C_ADR_GPIO, 0xB, &val, 1, PXQ3PE_MOD_GPIO) && 264 (val = (mask & dat) | (val & ~mask), pxq3pe_w(card, PXQ3PE_I2C_ADR_GPIO, 0xB, &val, 1, PXQ3PE_MOD_GPIO)); 265 } --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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