[openeuler:OLK-6.6 1495/1495] drivers/net/ethernet/huawei/hinic3/adapter/sw_cmdq/sw_cmdq_ops.c:77:34: warning: expression does not compute the number of elements in this array; element type is 'u16' (aka 'unsigned short'), not 'u32' (aka 'unsigned int') - Kernel

21 Nov 2024


      tree:   https://gitee.com/openeuler/kernel.git OLK-6.6
head:   cce003012298a00277187319a2527882a18278c1
commit: 0908fafca4fdc46cd425b6d2d39a5b283fbdc425 [1495/1495] net/hinic3: Support New SDK and NIC features
config: arm64-allmodconfig (https://download.01.org/0day-ci/archive/20241121/202411210200.MEZRD0ST-lkp@i...)
compiler: clang version 20.0.0git (https://github.com/llvm/llvm-project 592c0fe55f6d9a811028b5f3507be91458ab2713)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241121/202411210200.MEZRD0ST-lkp@i...)
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/202411210200.MEZRD0ST-lkp@intel.com/
All warnings (new ones prefixed by >>):
In file included from drivers/net/ethernet/huawei/hinic3/adapter/sw_cmdq/sw_cmdq_ops.c:5:
   In file included from drivers/net/ethernet/huawei/hinic3/hinic3_nic_cmdq.h:7:
   In file included from drivers/net/ethernet/huawei/hinic3/ossl_knl.h:7:
   In file included from drivers/net/ethernet/huawei/hinic3/ossl_knl_linux.h:7:
   In file included from include/net/ipv6.h:12:
   In file included from include/linux/ipv6.h:100:
   In file included from include/linux/tcp.h:17:
   In file included from include/linux/skbuff.h:17:
   In file included from include/linux/bvec.h:10:
   In file included from include/linux/highmem.h:8:
   In file included from include/linux/cacheflush.h:5:
   In file included from arch/arm64/include/asm/cacheflush.h:11:
   In file included from include/linux/kgdb.h:19:
   In file included from include/linux/kprobes.h:28:
   In file included from include/linux/ftrace.h:13:
   In file included from include/linux/kallsyms.h:13:
   In file included from include/linux/mm.h:2247:
   include/linux/vmstat.h:508:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion]
     508 |         return vmstat_text[NR_VM_ZONE_STAT_ITEMS +
         |                            ~~~~~~~~~~~~~~~~~~~~~ ^
     509 |                            item];
         |                            ~~~~
   include/linux/vmstat.h:515:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion]
     515 |         return vmstat_text[NR_VM_ZONE_STAT_ITEMS +
         |                            ~~~~~~~~~~~~~~~~~~~~~ ^
     516 |                            NR_VM_NUMA_EVENT_ITEMS +
         |                            ~~~~~~~~~~~~~~~~~~~~~~
   include/linux/vmstat.h:522:36: warning: arithmetic between different enumeration types ('enum node_stat_item' and 'enum lru_list') [-Wenum-enum-conversion]
     522 |         return node_stat_name(NR_LRU_BASE + lru) + 3; // skip "nr_"
         |                               ~~~~~~~~~~~ ^ ~~~
   include/linux/vmstat.h:527:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion]
     527 |         return vmstat_text[NR_VM_ZONE_STAT_ITEMS +
         |                            ~~~~~~~~~~~~~~~~~~~~~ ^
     528 |                            NR_VM_NUMA_EVENT_ITEMS +
         |                            ~~~~~~~~~~~~~~~~~~~~~~
   include/linux/vmstat.h:536:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion]
     536 |         return vmstat_text[NR_VM_ZONE_STAT_ITEMS +
         |                            ~~~~~~~~~~~~~~~~~~~~~ ^
     537 |                            NR_VM_NUMA_EVENT_ITEMS +
         |                            ~~~~~~~~~~~~~~~~~~~~~~
...
...
drivers/net/ethernet/huawei/hinic3/adapter/sw_cmdq/sw_cmdq_ops.c:77:34: warning: expression does not compute the number of elements in this array; element type is 'u16' (aka 'unsigned short'), not 'u32' (aka 'unsigned int') [-Wsizeof-array-div]
77 |         size = sizeof(indir_tbl->entry) / sizeof(u32);
         |                       ~~~~~~~~~~~~~~~~  ^
   drivers/net/ethernet/huawei/hinic3/adapter/sw_cmdq/sw_cmdq_ops.c:77:34: note: place parentheses around the 'sizeof(u32)' expression to silence this warning
   6 warnings generated.
--
   In file included from drivers/net/ethernet/huawei/hinic3/hinic3_nic_io.c:7:
   In file included from include/linux/pci.h:1669:
   In file included from include/linux/dmapool.h:14:
   In file included from include/linux/scatterlist.h:8:
   In file included from include/linux/mm.h:2247:
   include/linux/vmstat.h:508:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion]
     508 |         return vmstat_text[NR_VM_ZONE_STAT_ITEMS +
         |                            ~~~~~~~~~~~~~~~~~~~~~ ^
     509 |                            item];
         |                            ~~~~
   include/linux/vmstat.h:515:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion]
     515 |         return vmstat_text[NR_VM_ZONE_STAT_ITEMS +
         |                            ~~~~~~~~~~~~~~~~~~~~~ ^
     516 |                            NR_VM_NUMA_EVENT_ITEMS +
         |                            ~~~~~~~~~~~~~~~~~~~~~~
   include/linux/vmstat.h:522:36: warning: arithmetic between different enumeration types ('enum node_stat_item' and 'enum lru_list') [-Wenum-enum-conversion]
     522 |         return node_stat_name(NR_LRU_BASE + lru) + 3; // skip "nr_"
         |                               ~~~~~~~~~~~ ^ ~~~
   include/linux/vmstat.h:527:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion]
     527 |         return vmstat_text[NR_VM_ZONE_STAT_ITEMS +
         |                            ~~~~~~~~~~~~~~~~~~~~~ ^
     528 |                            NR_VM_NUMA_EVENT_ITEMS +
         |                            ~~~~~~~~~~~~~~~~~~~~~~
   include/linux/vmstat.h:536:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion]
     536 |         return vmstat_text[NR_VM_ZONE_STAT_ITEMS +
         |                            ~~~~~~~~~~~~~~~~~~~~~ ^
     537 |                            NR_VM_NUMA_EVENT_ITEMS +
         |                            ~~~~~~~~~~~~~~~~~~~~~~
...
...
drivers/net/ethernet/huawei/hinic3/hinic3_nic_io.c:272:5: warning: no previous prototype for function 'hinic3_get_rq_wqe_type' [-Wmissing-prototypes]
272 | int hinic3_get_rq_wqe_type(void *hwdev)
         |     ^
   drivers/net/ethernet/huawei/hinic3/hinic3_nic_io.c:272:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
     272 | int hinic3_get_rq_wqe_type(void *hwdev)
         | ^
         | static 
   6 warnings generated.
vim +77 drivers/net/ethernet/huawei/hinic3/adapter/sw_cmdq/sw_cmdq_ops.c
61	
    62	static u8 prepare_cmd_buf_set_rss_indir_table(const struct hinic3_nic_io *nic_io,
    63						      const u32 *indir_table,
    64						      struct hinic3_cmd_buf *cmd_buf)
    65	{
    66		u32 i, size;
    67		u32 *temp = NULL;
    68		struct nic_rss_indirect_tbl *indir_tbl = NULL;
    69	
    70		indir_tbl = (struct nic_rss_indirect_tbl *)cmd_buf->buf;
    71		cmd_buf->size = sizeof(struct nic_rss_indirect_tbl);
    72		memset(indir_tbl, 0, sizeof(*indir_tbl));
    73	
    74		for (i = 0; i < NIC_RSS_INDIR_SIZE; i++)
    75			indir_tbl->entry[i] = (u16)(*(indir_table + i));
    76
...
77		size = sizeof(indir_tbl->entry) / sizeof(u32);
78		temp = (u32 *)indir_tbl->entry;
    79		for (i = 0; i < size; i++)
    80			temp[i] = cpu_to_be32(temp[i]);
    81	
    82		return (u8)HINIC3_UCODE_CMD_SET_RSS_INDIR_TABLE;
    83	}
    84
-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki