[l1k:spdm-future 22/46] lib/spdm/req-sysfs.c:176:55: warning: omitting the parameter name in a function definition is a C2x extension

[kernel test robot <lkp@intel.com>]

tree:   https://github.com/l1k/linux spdm-future
head:   04f0af4bcc5b52f17682de7c27eb469f6f794197
commit: f94b1e338bc3a4fc1bdc262899734d0699b9a747 [22/46] PCI/CMA: Expose in sysfs a log of received signatures
config: x86_64-allyesconfig (https://download.01.org/0day-ci/archive/20240412/202404121811.DTbeyf2a-lkp@intel.com/config)
compiler: clang version 17.0.6 (https://github.com/llvm/llvm-project 6009708b4367171ccdbf4b5905cb6a803753fe18)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240412/202404121811.DTbeyf2a-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/202404121811.DTbeyf2a-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> lib/spdm/req-sysfs.c:176:55: warning: omitting the parameter name in a function definition is a C2x extension [-Wc2x-extensions]
     176 | static ssize_t spdm_read_combined_prefix(struct file *, struct kobject *,
         |                                                       ^
   lib/spdm/req-sysfs.c:176:73: warning: omitting the parameter name in a function definition is a C2x extension [-Wc2x-extensions]
     176 | static ssize_t spdm_read_combined_prefix(struct file *, struct kobject *,
         |                                                                         ^
   2 warnings generated.


vim +176 lib/spdm/req-sysfs.c

   175	
 > 176	static ssize_t spdm_read_combined_prefix(struct file *, struct kobject *,
   177						 struct bin_attribute *attr,
   178						 char *buf, loff_t off, size_t count)
   179	{
   180		struct spdm_log_entry *log = attr->private;
   181	
   182		/*
   183		 * SPDM 1.0 and 1.1 do not add a combined prefix to the hash
   184		 * before computing the signature, so return an empty file.
   185		 */
   186		if (log->version <= 0x11)
   187			return 0;
   188	
   189		void *tmp __free(kfree) = kmalloc(SPDM_COMBINED_PREFIX_SZ, GFP_KERNEL);
   190		if (!tmp)
   191			return -ENOMEM;
   192	
   193		spdm_create_combined_prefix(log->version, log->spdm_context.var, tmp);
   194		memcpy(buf, tmp + off, count);
   195		return count;
   196	}
   197	

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