Hi Romain, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on s390/features] [also build test WARNING on cryptodev/master crypto/master driver-core/driver-core-testing linus/master v5.11 next-20210222] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch] url: https://github.com/0day-ci/linux/commits/Romain-Perier/Manual-replacement-of-all-strlcpy-in-favor-of-strscpy/20210222-232701 base: https://git.kernel.org/pub/scm/linux/kernel/git/s390/linux.git features config: x86_64-randconfig-s022-20210222 (attached as .config) compiler: gcc-9 (Debian 9.3.0-15) 9.3.0 reproduce: # apt-get install sparse # sparse version: v0.6.3-229-g60c1f270-dirty # https://github.com/0day-ci/linux/commit/8b76bc6bcdb6b3d4847d4c6298b53759acc0849a git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Romain-Perier/Manual-replacement-of-all-strlcpy-in-favor-of-strscpy/20210222-232701 git checkout 8b76bc6bcdb6b3d4847d4c6298b53759acc0849a # save the attached .config to linux build tree make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' ARCH=x86_64 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All warnings (new ones prefixed by >>): drivers/target/target_core_configfs.c: In function 'target_check_inquiry_data.constprop': >> drivers/target/target_core_configfs.c:1293:8: warning: argument 1 null where non-null expected [-Wnonnull] 1293 | len = strlen(buf); | ^~~~~~~~~~~ In file included from include/linux/bitmap.h:9, from include/linux/cpumask.h:12, from arch/x86/include/asm/cpumask.h:5, from arch/x86/include/asm/msr.h:11, from arch/x86/include/asm/processor.h:22, from arch/x86/include/asm/timex.h:5, from include/linux/timex.h:65, from include/linux/time32.h:13, from include/linux/time.h:60, from include/linux/stat.h:19, from include/linux/module.h:13, from drivers/target/target_core_configfs.c:15: include/linux/string.h:89:24: note: in a call to function 'strlen' declared here 89 | extern __kernel_size_t strlen(const char *); | ^~~~~~ vim +1293 drivers/target/target_core_configfs.c c66ac9db8d4ad9 Nicholas Bellinger 2010-12-17 1287 0322913cab79e4 Alan Adamson 2019-03-01 1288 static ssize_t target_check_inquiry_data(char *buf) 0322913cab79e4 Alan Adamson 2019-03-01 1289 { 0322913cab79e4 Alan Adamson 2019-03-01 1290 size_t len; 0322913cab79e4 Alan Adamson 2019-03-01 1291 int i; 0322913cab79e4 Alan Adamson 2019-03-01 1292 0322913cab79e4 Alan Adamson 2019-03-01 @1293 len = strlen(buf); 0322913cab79e4 Alan Adamson 2019-03-01 1294 0322913cab79e4 Alan Adamson 2019-03-01 1295 /* 0322913cab79e4 Alan Adamson 2019-03-01 1296 * SPC 4.3.1: 0322913cab79e4 Alan Adamson 2019-03-01 1297 * ASCII data fields shall contain only ASCII printable characters 0322913cab79e4 Alan Adamson 2019-03-01 1298 * (i.e., code values 20h to 7Eh) and may be terminated with one or 0322913cab79e4 Alan Adamson 2019-03-01 1299 * more ASCII null (00h) characters. 0322913cab79e4 Alan Adamson 2019-03-01 1300 */ 0322913cab79e4 Alan Adamson 2019-03-01 1301 for (i = 0; i < len; i++) { 0322913cab79e4 Alan Adamson 2019-03-01 1302 if (buf[i] < 0x20 || buf[i] > 0x7E) { 0322913cab79e4 Alan Adamson 2019-03-01 1303 pr_err("Emulated T10 Inquiry Data contains non-ASCII-printable characters\n"); 0322913cab79e4 Alan Adamson 2019-03-01 1304 return -EINVAL; 0322913cab79e4 Alan Adamson 2019-03-01 1305 } 0322913cab79e4 Alan Adamson 2019-03-01 1306 } 0322913cab79e4 Alan Adamson 2019-03-01 1307 0322913cab79e4 Alan Adamson 2019-03-01 1308 return len; 0322913cab79e4 Alan Adamson 2019-03-01 1309 } 0322913cab79e4 Alan Adamson 2019-03-01 1310 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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