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* [andersson-kernel:wip/for-robert/dsi-panel-fixup 8140/8157] drivers/interconnect/core.c:215:48: warning: format '%ld' expects argument of type 'long int', but argument 4 has type 'size_t' {aka 'unsigned int'}
@ 2021-09-07  9:30 kernel test robot
  0 siblings, 0 replies; only message in thread
From: kernel test robot @ 2021-09-07  9:30 UTC (permalink / raw)
  To: Robert Foss; +Cc: kbuild-all, linux-kernel

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tree:   https://github.com/andersson/kernel wip/for-robert/dsi-panel-fixup
head:   2c9fc6fc5e7be5c2b042e98045f2b0c763ef3bb9
commit: 74172e61cd79e6306f9c14426098a561258e3d7c [8140/8157] WIP: Debug
config: arm-defconfig (attached as .config)
compiler: arm-linux-gnueabi-gcc (GCC) 11.2.0
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/andersson/kernel/commit/74172e61cd79e6306f9c14426098a561258e3d7c
        git remote add andersson-kernel https://github.com/andersson/kernel
        git fetch --no-tags andersson-kernel wip/for-robert/dsi-panel-fixup
        git checkout 74172e61cd79e6306f9c14426098a561258e3d7c
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross ARCH=arm 

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

All warnings (new ones prefixed by >>):

   drivers/interconnect/core.c: In function 'path_find':
   drivers/interconnect/core.c:212:33: warning: ISO C90 forbids mixed declarations and code [-Wdeclaration-after-statement]
     212 |                                 struct icc_node *tmp = node->links[i];
         |                                 ^~~~~~
   In file included from include/linux/kernel.h:19,
                    from include/linux/list.h:9,
                    from include/linux/wait.h:7,
                    from include/linux/wait_bit.h:8,
                    from include/linux/fs.h:6,
                    from include/linux/debugfs.h:15,
                    from drivers/interconnect/core.c:9:
>> drivers/interconnect/core.c:215:48: warning: format '%ld' expects argument of type 'long int', but argument 4 has type 'size_t' {aka 'unsigned int'} [-Wformat=]
     215 |                                         printk("%s() node=%s [%ld/%ld]\n", __func__, node->name, i, node->num_links);
         |                                                ^~~~~~~~~~~~~~~~~~~~~~~~~~                        ~
         |                                                                                                  |
         |                                                                                                  size_t {aka unsigned int}
   include/linux/printk.h:418:25: note: in definition of macro 'printk_index_wrap'
     418 |                 _p_func(_fmt, ##__VA_ARGS__);                           \
         |                         ^~~~
   drivers/interconnect/core.c:215:41: note: in expansion of macro 'printk'
     215 |                                         printk("%s() node=%s [%ld/%ld]\n", __func__, node->name, i, node->num_links);
         |                                         ^~~~~~
   drivers/interconnect/core.c:215:65: note: format string is defined here
     215 |                                         printk("%s() node=%s [%ld/%ld]\n", __func__, node->name, i, node->num_links);
         |                                                               ~~^
         |                                                                 |
         |                                                                 long int
         |                                                               %d
   In file included from include/linux/kernel.h:19,
                    from include/linux/list.h:9,
                    from include/linux/wait.h:7,
                    from include/linux/wait_bit.h:8,
                    from include/linux/fs.h:6,
                    from include/linux/debugfs.h:15,
                    from drivers/interconnect/core.c:9:
   drivers/interconnect/core.c:215:48: warning: format '%ld' expects argument of type 'long int', but argument 5 has type 'size_t' {aka 'unsigned int'} [-Wformat=]
     215 |                                         printk("%s() node=%s [%ld/%ld]\n", __func__, node->name, i, node->num_links);
         |                                                ^~~~~~~~~~~~~~~~~~~~~~~~~~                           ~~~~~~~~~~~~~~~
         |                                                                                                         |
         |                                                                                                         size_t {aka unsigned int}
   include/linux/printk.h:418:25: note: in definition of macro 'printk_index_wrap'
     418 |                 _p_func(_fmt, ##__VA_ARGS__);                           \
         |                         ^~~~
   drivers/interconnect/core.c:215:41: note: in expansion of macro 'printk'
     215 |                                         printk("%s() node=%s [%ld/%ld]\n", __func__, node->name, i, node->num_links);
         |                                         ^~~~~~
   drivers/interconnect/core.c:215:69: note: format string is defined here
     215 |                                         printk("%s() node=%s [%ld/%ld]\n", __func__, node->name, i, node->num_links);
         |                                                                   ~~^
         |                                                                     |
         |                                                                     long int
         |                                                                   %d


vim +215 drivers/interconnect/core.c

   176	
   177	static struct icc_path *path_find(struct device *dev, struct icc_node *src,
   178					  struct icc_node *dst)
   179	{
   180		struct icc_path *path = ERR_PTR(-EPROBE_DEFER);
   181		struct icc_node *n, *node = NULL;
   182		struct list_head traverse_list;
   183		struct list_head edge_list;
   184		struct list_head visited_list;
   185		size_t i, depth = 1;
   186		bool found = false;
   187	
   188		printk("%s() src=%p  dst=%p", __func__, src, dst);
   189	
   190		INIT_LIST_HEAD(&traverse_list);
   191		INIT_LIST_HEAD(&edge_list);
   192		INIT_LIST_HEAD(&visited_list);
   193	
   194		list_add(&src->search_list, &traverse_list);
   195		src->reverse = NULL;
   196	
   197		do {
   198			list_for_each_entry_safe(node, n, &traverse_list, search_list) {
   199				if (!node) {
   200					printk("%s() node=%p", __func__, node);
   201				}
   202				if (node == dst) {
   203					found = true;
   204					list_splice_init(&edge_list, &visited_list);
   205					list_splice_init(&traverse_list, &visited_list);
   206					break;
   207				}
   208				for (i = 0; i < node->num_links; i++) {
   209					if (!node) {
   210						printk("%s() node=%p", __func__, node);
   211					}
   212					struct icc_node *tmp = node->links[i];
   213	
   214					if (!tmp) {
 > 215						printk("%s() node=%s [%ld/%ld]\n", __func__, node->name, i, node->num_links);
   216						path = ERR_PTR(-ENOENT);
   217						goto out;
   218					}
   219	
   220					if (tmp->is_traversed)
   221						continue;
   222	
   223					tmp->is_traversed = true;
   224					tmp->reverse = node;
   225					list_add_tail(&tmp->search_list, &edge_list);
   226				}
   227			}
   228	
   229			if (found)
   230				break;
   231	
   232			list_splice_init(&traverse_list, &visited_list);
   233			list_splice_init(&edge_list, &traverse_list);
   234	
   235			/* count the hops including the source */
   236			depth++;
   237	
   238		} while (!list_empty(&traverse_list));
   239	
   240	out:
   241	
   242		/* reset the traversed state */
   243		list_for_each_entry_reverse(n, &visited_list, search_list)
   244			n->is_traversed = false;
   245	
   246		if (found)
   247			path = path_init(dev, dst, depth);
   248	
   249		return path;
   250	}
   251	

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

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2021-09-07  9:30 [andersson-kernel:wip/for-robert/dsi-panel-fixup 8140/8157] drivers/interconnect/core.c:215:48: warning: format '%ld' expects argument of type 'long int', but argument 4 has type 'size_t' {aka 'unsigned int'} kernel test robot

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