CC: [email protected] BCC: [email protected] TO: Jim Cromie <[email protected]>
tree: https://github.com/jimc/linux.git ddn3f head: 8b979e42bc4bc001aeee88f11787c944c00e909c commit: 8b979e42bc4bc001aeee88f11787c944c00e909c [23/23] drop loop calling do_cb_changes :::::: branch date: 7 days ago :::::: commit date: 7 days ago config: x86_64-randconfig-m001-20220613 (https://download.01.org/0day-ci/archive/20220615/[email protected]/config) compiler: gcc-11 (Debian 11.3.0-3) 11.3.0 If you fix the issue, kindly add following tag where applicable Reported-by: kernel test robot <[email protected]> Reported-by: Dan Carpenter <[email protected]> New smatch warnings: lib/dynamic_debug.c:731 param_set_dyndbg_classes() error: uninitialized symbol 'i'. Old smatch warnings: lib/dynamic_debug.c:732 param_set_dyndbg_classes() error: uninitialized symbol 'i'. vim +/i +731 lib/dynamic_debug.c af486d3610e6e57 Jim Cromie 2022-04-06 699 5ef1ab46f824c31 Jim Cromie 2022-04-01 700 /** 5ef1ab46f824c31 Jim Cromie 2022-04-01 701 * param_set_dyndbg_classes - bits => categories >control setter 5ef1ab46f824c31 Jim Cromie 2022-04-01 702 * @instr: string echo>d to sysfs 5ef1ab46f824c31 Jim Cromie 2022-04-01 703 * @kp: kp->arg has state: bits, map 5ef1ab46f824c31 Jim Cromie 2022-04-01 704 * 5ef1ab46f824c31 Jim Cromie 2022-04-01 705 * Enable/disable prdbgs by their "category", as specified in the 5ef1ab46f824c31 Jim Cromie 2022-04-01 706 * arguments to DYNAMIC_DEBUG_CLASSES. 5ef1ab46f824c31 Jim Cromie 2022-04-01 707 * 5ef1ab46f824c31 Jim Cromie 2022-04-01 708 * Returns: 0 or <0 if error. 5ef1ab46f824c31 Jim Cromie 2022-04-01 709 */ 5ef1ab46f824c31 Jim Cromie 2022-04-01 710 int param_set_dyndbg_classes(const char *instr, const struct kernel_param *kp) 5ef1ab46f824c31 Jim Cromie 2022-04-01 711 { 5ef1ab46f824c31 Jim Cromie 2022-04-01 712 const struct ddebug_classes_bitmap_param *dcp = kp->arg; 5ef1ab46f824c31 Jim Cromie 2022-04-01 713 unsigned long inbits; 5ef1ab46f824c31 Jim Cromie 2022-04-01 714 int rc, i, totct = 0; 5ef1ab46f824c31 Jim Cromie 2022-04-01 715 5ef1ab46f824c31 Jim Cromie 2022-04-01 716 if (!dcp || !dcp->map) { 5ef1ab46f824c31 Jim Cromie 2022-04-01 717 pr_err("set_dyndbg_classes: no bits=>queries map\n"); 5ef1ab46f824c31 Jim Cromie 2022-04-01 718 return -EINVAL; 5ef1ab46f824c31 Jim Cromie 2022-04-01 719 } 5ef1ab46f824c31 Jim Cromie 2022-04-01 720 rc = kstrtoul(instr, 0, &inbits); af486d3610e6e57 Jim Cromie 2022-04-06 721 if (rc) af486d3610e6e57 Jim Cromie 2022-04-06 722 return param_set_dyndbg_class_strings(instr, kp); af486d3610e6e57 Jim Cromie 2022-04-06 723 5ef1ab46f824c31 Jim Cromie 2022-04-01 724 vpr_info("set_dyndbg_classes: 0x%lx => 0x%lx\n", *dcp->bits, inbits); 5ef1ab46f824c31 Jim Cromie 2022-04-01 725 99e627f4b95fae1 Jim Cromie 2022-06-07 726 /* force bits if sysfs-node is for a VERBOSE class-map */ 99e627f4b95fae1 Jim Cromie 2022-06-07 727 if (dcp->map->map_type == DD_CLS_VERBOSE) { 99e627f4b95fae1 Jim Cromie 2022-06-07 728 inbits = (1 << (inbits + 1)) - 1; 99e627f4b95fae1 Jim Cromie 2022-06-07 729 } 99e627f4b95fae1 Jim Cromie 2022-06-07 730 af486d3610e6e57 Jim Cromie 2022-04-06 @731 vpr_info("set_dyndbg_classes: bit %d: %s\n", i, dcp->map->class_names[i]); 5ef1ab46f824c31 Jim Cromie 2022-04-01 732 totct += do_callback_changes(dcp, i, &inbits); 8b979e42bc4bc00 Jim Cromie 2022-06-07 733 5ef1ab46f824c31 Jim Cromie 2022-04-01 734 *dcp->bits = inbits; 5ef1ab46f824c31 Jim Cromie 2022-04-01 735 vpr_info("total matches: %d\n", totct); 5ef1ab46f824c31 Jim Cromie 2022-04-01 736 return 0; 5ef1ab46f824c31 Jim Cromie 2022-04-01 737 } 5ef1ab46f824c31 Jim Cromie 2022-04-01 738 EXPORT_SYMBOL(param_set_dyndbg_classes); 5ef1ab46f824c31 Jim Cromie 2022-04-01 739 :::::: The code at line 731 was first introduced by commit :::::: af486d3610e6e5743398b4000282d155c7475bd1 dyndbg: support symbolic class-names in bitmap :::::: TO: Jim Cromie <[email protected]> :::::: CC: Jim Cromie <[email protected]> -- 0-DAY CI Kernel Test Service https://01.org/lkp _______________________________________________ kbuild mailing list -- [email protected] To unsubscribe send an email to [email protected]
