[jonhunter:tegra/next-fixes 5/24] drivers/clk/tegra/clk-bpmp.c:373:62: warning: '%s' directive output may be truncated writing up to 39 bytes into a region of size between 28 and 38

[jonhunter:tegra/next-fixes 5/24] drivers/clk/tegra/clk-bpmp.c:373:62: warning: '%s' directive output may be truncated writing up to 39 bytes into a region of size between 28 and 38

[kernel test robot]

tree:   https://github.com/jonhunter/linux tegra/next-fixes
head:   bbc9d83793001800cd9fd2e531bf692526351dcb
commit: a4050db6c37daf99cf1df1ddc6f16f0a373ee7c2 [5/24] clk: tegra: Support unique names for multi-socket platforms
config: arm64-defconfig (https://download.01.org/0day-ci/archive/20260531/202605312211.QMin2ACt-lkp@intel.com/config)
compiler: aarch64-linux-gcc (GCC) 15.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260531/202605312211.QMin2ACt-lkp@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 <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202605312211.QMin2ACt-lkp@intel.com/

All warnings (new ones prefixed by >>):

   drivers/clk/tegra/clk-bpmp.c: In function 'tegra_bpmp_clk_get_info':
>> drivers/clk/tegra/clk-bpmp.c:373:62: warning: '%s' directive output may be truncated writing up to 39 bytes into a region of size between 28 and 38 [-Wformat-truncation=]
     373 |                 snprintf(info->name, sizeof(info->name), "%d-%s",
         |                                                              ^~
     374 |                          dev_to_node(bpmp->dev), response.name);
         |                                                  ~~~~~~~~~~~~~
   drivers/clk/tegra/clk-bpmp.c:373:17: note: 'snprintf' output between 3 and 52 bytes into a destination of size 40
     373 |                 snprintf(info->name, sizeof(info->name), "%d-%s",
         |                 ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
     374 |                          dev_to_node(bpmp->dev), response.name);
         |                          ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~


vim +373 drivers/clk/tegra/clk-bpmp.c

   351	
   352	static int tegra_bpmp_clk_get_info(struct tegra_bpmp *bpmp, unsigned int id,
   353					   struct tegra_bpmp_clk_info *info)
   354	{
   355		struct cmd_clk_get_all_info_response response;
   356		struct tegra_bpmp_clk_message msg;
   357		unsigned int i;
   358		int err;
   359	
   360		memset(&msg, 0, sizeof(msg));
   361		msg.cmd = CMD_CLK_GET_ALL_INFO;
   362		msg.id = id;
   363		msg.rx.data = &response;
   364		msg.rx.size = sizeof(response);
   365	
   366		err = tegra_bpmp_clk_transfer(bpmp, &msg);
   367		if (err < 0)
   368			return err;
   369	
   370		if (dev_to_node(bpmp->dev) == NUMA_NO_NODE)
   371			strscpy(info->name, response.name, MRQ_CLK_NAME_MAXLEN);
   372		else
 > 373			snprintf(info->name, sizeof(info->name), "%d-%s",
   374				 dev_to_node(bpmp->dev), response.name);
   375	
   376		info->num_parents = response.num_parents;
   377	
   378		for (i = 0; i < info->num_parents; i++)
   379			info->parents[i] = response.parents[i];
   380	
   381		info->flags = response.flags;
   382	
   383		return 0;
   384	}
   385	

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