Hi Ye,

kernel test robot noticed the following build warnings:

[auto build test WARNING on linus/master]
[also build test WARNING on v6.7 next-20240119]
[cannot apply to rostedt-trace/for-next rostedt-trace/for-next-urgent]
[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#_base_tree_information]

url:    
https://github.com/intel-lab-lkp/linux/commits/Ye-Bin/tracing-probes-support-pd-type-for-print-struct-dentry-s-name/20240119-093912
base:   linus/master
patch link:    
https://lore.kernel.org/r/20240119013848.3111364-2-yebin10%40huawei.com
patch subject: [PATCH 1/3] tracing/probes: support '%pd' type for print struct 
dentry's name
config: i386-defconfig 
(https://download.01.org/0day-ci/archive/20240120/202401200837.b9degdbt-...@intel.com/config)
compiler: gcc-7 (Ubuntu 7.5.0-6ubuntu2) 7.5.0
reproduce (this is a W=1 build): 
(https://download.01.org/0day-ci/archive/20240120/202401200837.b9degdbt-...@intel.com/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <l...@intel.com>
| Closes: 
https://lore.kernel.org/oe-kbuild-all/202401200837.b9degdbt-...@intel.com/

All warnings (new ones prefixed by >>):

   kernel/trace/trace_probe.c: In function 'traceprobe_expand_dentry':
>> kernel/trace/trace_probe.c:1106:36: warning: format '%lx' expects argument 
>> of type 'long unsigned int', but argument 4 has type 'unsigned int' 
>> [-Wformat=]
     if (snprintf(new_argv, len, "+0x%lx(%s)",
                                     ~~^
                                     %x


vim +1106 kernel/trace/trace_probe.c

  1095  
  1096  static char* traceprobe_expand_dentry(const char *argv)
  1097  {
  1098          #define DENTRY_EXPAND_LEN 7  /* +0xXX() */
  1099          char *new_argv;
  1100          int len = strlen(argv) + 1 + DENTRY_EXPAND_LEN;
  1101  
  1102          new_argv = kmalloc(len, GFP_KERNEL);
  1103          if (!new_argv)
  1104                  return NULL;
  1105  
> 1106          if (snprintf(new_argv, len, "+0x%lx(%s)",
  1107                       offsetof(struct dentry, d_name.name), argv) >= 
len) {
  1108                  kfree(new_argv);
  1109                  return NULL;
  1110          }
  1111  
  1112          return new_argv;
  1113  }
  1114  

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki

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