[jpirko-mlxsw:petrm_soft_counters 9/10] net/core/rtnetlink.c:5509:51: warning: format specifies type 'long' but the argument has type 'size_t' (aka 'unsigned int')

[kernel test robot]

tree:   https://github.com/jpirko/linux_mlxsw petrm_soft_counters
head:   38ca0aa04554a994a5ab769f0c07b37484b5f4c9
commit: 0839ffb5b56fb6f5e67545c77bf6151fe606835d [9/10] wip
config: i386-randconfig-r026-20211210 (https://download.01.org/0day-ci/archive/20211210/202112101827.NH71OPJw-lkp@xxxxxxxxx/config)
compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project 097a1cb1d5ebb3a0ec4bcaed8ba3ff6a8e33c00a)
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # https://github.com/jpirko/linux_mlxsw/commit/0839ffb5b56fb6f5e67545c77bf6151fe606835d
        git remote add jpirko-mlxsw https://github.com/jpirko/linux_mlxsw
        git fetch --no-tags jpirko-mlxsw petrm_soft_counters
        git checkout 0839ffb5b56fb6f5e67545c77bf6151fe606835d
        # save the config file to linux build tree
        mkdir build_dir
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=i386 SHELL=/bin/bash net/core/

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@xxxxxxxxx>

All warnings (new ones prefixed by >>):

>> net/core/rtnetlink.c:5509:51: warning: format specifies type 'long' but the argument has type 'size_t' (aka 'unsigned int') [-Wformat]
           printk(KERN_WARNING "if_nlmsg_stats_size %ld\n", size);
                                                    ~~~     ^~~~
                                                    %u
   include/linux/printk.h:446:60: note: expanded from macro 'printk'
   #define printk(fmt, ...) printk_index_wrap(_printk, fmt, ##__VA_ARGS__)
                                                       ~~~    ^~~~~~~~~~~
   include/linux/printk.h:418:19: note: expanded from macro 'printk_index_wrap'
                   _p_func(_fmt, ##__VA_ARGS__);                           \
                           ~~~~    ^~~~~~~~~~~
   1 warning generated.


vim +5509 net/core/rtnetlink.c

  5442	
  5443	static size_t if_nlmsg_stats_size(const struct net_device *dev,
  5444					  const struct rtnl_stats_dump_filters *filters)
  5445	{
  5446		size_t size = NLMSG_ALIGN(sizeof(struct if_stats_msg));
  5447		unsigned int filter_mask = filters->mask[0];
  5448	
  5449		if (stats_attr_valid(filter_mask, IFLA_STATS_LINK_64, 0))
  5450			size += nla_total_size_64bit(sizeof(struct rtnl_link_stats64));
  5451	
  5452		if (stats_attr_valid(filter_mask, IFLA_STATS_LINK_XSTATS, 0)) {
  5453			const struct rtnl_link_ops *ops = dev->rtnl_link_ops;
  5454			int attr = IFLA_STATS_LINK_XSTATS;
  5455	
  5456			if (ops && ops->get_linkxstats_size) {
  5457				size += nla_total_size(ops->get_linkxstats_size(dev,
  5458										attr));
  5459				/* for IFLA_STATS_LINK_XSTATS */
  5460				size += nla_total_size(0);
  5461			}
  5462		}
  5463	
  5464		if (stats_attr_valid(filter_mask, IFLA_STATS_LINK_XSTATS_SLAVE, 0)) {
  5465			struct net_device *_dev = (struct net_device *)dev;
  5466			const struct rtnl_link_ops *ops = NULL;
  5467			const struct net_device *master;
  5468	
  5469			/* netdev_master_upper_dev_get can't take const */
  5470			master = netdev_master_upper_dev_get(_dev);
  5471			if (master)
  5472				ops = master->rtnl_link_ops;
  5473			if (ops && ops->get_linkxstats_size) {
  5474				int attr = IFLA_STATS_LINK_XSTATS_SLAVE;
  5475	
  5476				size += nla_total_size(ops->get_linkxstats_size(dev,
  5477										attr));
  5478				/* for IFLA_STATS_LINK_XSTATS_SLAVE */
  5479				size += nla_total_size(0);
  5480			}
  5481		}
  5482	
  5483		if (stats_attr_valid(filter_mask, IFLA_STATS_LINK_OFFLOAD_XSTATS, 0)) {
  5484			u32 off_filter_mask;
  5485	
  5486			off_filter_mask = filters->mask[IFLA_STATS_LINK_OFFLOAD_XSTATS];
  5487			size += rtnl_get_offload_stats_size(dev, off_filter_mask);
  5488		}
  5489	
  5490		if (stats_attr_valid(filter_mask, IFLA_STATS_AF_SPEC, 0)) {
  5491			struct rtnl_af_ops *af_ops;
  5492	
  5493			/* for IFLA_STATS_AF_SPEC */
  5494			size += nla_total_size(0);
  5495	
  5496			rcu_read_lock();
  5497			list_for_each_entry_rcu(af_ops, &rtnl_af_ops, list) {
  5498				if (af_ops->get_stats_af_size) {
  5499					size += nla_total_size(
  5500						af_ops->get_stats_af_size(dev));
  5501	
  5502					/* for AF_* */
  5503					size += nla_total_size(0);
  5504				}
  5505			}
  5506			rcu_read_unlock();
  5507		}
  5508	
> 5509		printk(KERN_WARNING "if_nlmsg_stats_size %ld\n", size);
  5510		return size;
  5511	}
  5512	

---
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