Hi Greg, I love your patch! Yet something to improve: [auto build test ERROR on staging/staging-testing] [cannot apply to v5.1 next-20190517] [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/Greg-Kroah-Hartman/staging-kpc2000-fix-a-bunch-of-orginization-and-header-file-issues/20190517-213909 config: riscv-allyesconfig (attached as .config) compiler: riscv64-linux-gcc (GCC) 8.1.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # save the attached .config to linux build tree GCC_VERSION=8.1.0 make.cross ARCH=riscv If you fix the issue, kindly add following tag Reported-by: kbuild test robot <lkp@xxxxxxxxx> All errors (new ones prefixed by >>): drivers/staging//kpc2000/kpc2000/core.c: In function 'kp2000_cdev_read': >> drivers/staging//kpc2000/kpc2000/core.c:253:8: error: implicit declaration of function 'copy_to_user'; did you mean 'cpu_to_mem'? [-Werror=implicit-function-declaration] ret = copy_to_user(buf, buff + *f_pos, count); ^~~~~~~~~~~~ cpu_to_mem cc1: some warnings being treated as errors vim +253 drivers/staging//kpc2000/kpc2000/core.c 219 220 221 static ssize_t kp2000_cdev_read(struct file *filp, char __user *buf, 222 size_t count, loff_t *f_pos) 223 { 224 struct kp2000_device *pcard = filp->private_data; 225 int cnt = 0; 226 int ret; 227 #define BUFF_CNT 1024 228 char buff[BUFF_CNT] = {0}; //NOTE: Increase this so it is at least as large as all the scnprintfs. And don't use unbounded strings. "%s" 229 //NOTE: also, this is a really shitty way to implement the read() call, but it will work for any size 'count'. 230 231 if (WARN(NULL == buf, "kp2000_cdev_read: buf is a NULL pointer!\n")) 232 return -EINVAL; 233 234 cnt += scnprintf(buff+cnt, BUFF_CNT-cnt, "Card ID : 0x%08x\n", pcard->card_id); 235 cnt += scnprintf(buff+cnt, BUFF_CNT-cnt, "Build Version : 0x%08x\n", pcard->build_version); 236 cnt += scnprintf(buff+cnt, BUFF_CNT-cnt, "Build Date : 0x%08x\n", pcard->build_datestamp); 237 cnt += scnprintf(buff+cnt, BUFF_CNT-cnt, "Build Time : 0x%08x\n", pcard->build_timestamp); 238 cnt += scnprintf(buff+cnt, BUFF_CNT-cnt, "Core Table Offset : 0x%08x\n", pcard->core_table_offset); 239 cnt += scnprintf(buff+cnt, BUFF_CNT-cnt, "Core Table Length : 0x%08x\n", pcard->core_table_length); 240 cnt += scnprintf(buff+cnt, BUFF_CNT-cnt, "Hardware Revision : 0x%08x\n", pcard->hardware_revision); 241 cnt += scnprintf(buff+cnt, BUFF_CNT-cnt, "SSID : 0x%016llx\n", pcard->ssid); 242 cnt += scnprintf(buff+cnt, BUFF_CNT-cnt, "DDNA : 0x%016llx\n", pcard->ddna); 243 cnt += scnprintf(buff+cnt, BUFF_CNT-cnt, "IRQ Mask : 0x%016llx\n", readq(pcard->sysinfo_regs_base + REG_INTERRUPT_MASK)); 244 cnt += scnprintf(buff+cnt, BUFF_CNT-cnt, "IRQ Active : 0x%016llx\n", readq(pcard->sysinfo_regs_base + REG_INTERRUPT_ACTIVE)); 245 cnt += scnprintf(buff+cnt, BUFF_CNT-cnt, "CPLD : 0x%016llx\n", readq(pcard->sysinfo_regs_base + REG_CPLD_CONFIG)); 246 247 if (*f_pos >= cnt) 248 return 0; 249 250 if (count > cnt) 251 count = cnt; 252 > 253 ret = copy_to_user(buf, buff + *f_pos, count); 254 if (ret) 255 return -EFAULT; 256 *f_pos += count; 257 return count; 258 } 259 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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