linux-kernel - drivers/net/ethernet/hisilicon/hns3/hns3_common/hclge_comm_rss.c:199:6: sparse: void extern [addressable] [toplevel] hclge_comm_get_rss_indir

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Date:   Wed, 9 Mar 2022 11:15:43 +0800
From:   kernel test robot <yujie.liu@...el.com>
To:     Jie Wang <wangjie125@...wei.com>
CC:     <kbuild-all@...ts.01.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: drivers/net/ethernet/hisilicon/hns3/hns3_common/hclge_comm_rss.c:199:6:
 sparse: void extern [addressable] [toplevel] hclge_comm_get_rss_indir_tbl(
 ... )

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   5859a2b1991101d6b978f3feb5325dad39421f29
commit: 6de06004286798ac4b4b10c8c74a6eb03c5035f2 net: hns3: create new set of common rss set APIs for PF and VF module
date:   8 weeks ago
config: ia64-randconfig-s031-20220303 (https://download.01.org/0day-ci/archive/20220303/202203031716.K3CfFyZP-lkp@intel.com/config)
compiler: ia64-linux-gcc (GCC) 11.2.0
reproduce:
         wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
         chmod +x ~/bin/make.cross
         # apt-get install sparse
         # sparse version: v0.6.4-dirty
         # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=6de06004286798ac4b4b10c8c74a6eb03c5035f2
         git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
         git fetch --no-tags linus master
         git checkout 6de06004286798ac4b4b10c8c74a6eb03c5035f2
         # save the config file to linux build tree
         mkdir build_dir
         COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=ia64 SHELL=/bin/bash drivers/net/ethernet/hisilicon/hns3/ drivers/net/wwan/

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


sparse warnings: (new ones prefixed by >>)
    drivers/net/ethernet/hisilicon/hns3/hns3_common/hclge_comm_rss.c:199:6: sparse: sparse: symbol 'hclge_comm_get_rss_indir_tbl' redeclared with different type (incompatible argument 3 (different base types)):
 >> drivers/net/ethernet/hisilicon/hns3/hns3_common/hclge_comm_rss.c:199:6: sparse:    void extern [addressable] [toplevel] hclge_comm_get_rss_indir_tbl( ... )
    drivers/net/ethernet/hisilicon/hns3/hns3_common/hclge_comm_rss.c: note: in included file:
    drivers/net/ethernet/hisilicon/hns3/hns3_common/hclge_comm_rss.h:94:6: sparse: note: previously declared as:
 >> drivers/net/ethernet/hisilicon/hns3/hns3_common/hclge_comm_rss.h:94:6: sparse:    void extern [addressable] [toplevel] hclge_comm_get_rss_indir_tbl( ... )

vim +199 drivers/net/ethernet/hisilicon/hns3/hns3_common/hclge_comm_rss.c

1bfd6682e9b5d4 Jie Wang 2022-01-05  198
1bfd6682e9b5d4 Jie Wang 2022-01-05 @199  void hclge_comm_get_rss_indir_tbl(struct hclge_comm_rss_cfg *rss_cfg,
1bfd6682e9b5d4 Jie Wang 2022-01-05  200  				  u32 *indir, u16 rss_ind_tbl_size)
1bfd6682e9b5d4 Jie Wang 2022-01-05  201  {
1bfd6682e9b5d4 Jie Wang 2022-01-05  202  	u16 i;
1bfd6682e9b5d4 Jie Wang 2022-01-05  203
1bfd6682e9b5d4 Jie Wang 2022-01-05  204  	if (!indir)
1bfd6682e9b5d4 Jie Wang 2022-01-05  205  		return;
1bfd6682e9b5d4 Jie Wang 2022-01-05  206
1bfd6682e9b5d4 Jie Wang 2022-01-05  207  	for (i = 0; i < rss_ind_tbl_size; i++)
1bfd6682e9b5d4 Jie Wang 2022-01-05  208  		indir[i] = rss_cfg->rss_indirection_tbl[i];
1bfd6682e9b5d4 Jie Wang 2022-01-05  209  }
1bfd6682e9b5d4 Jie Wang 2022-01-05  210


vim +108 drivers/net/ethernet/hisilicon/hns3/hns3_common/hclge_comm_rss.h

1bfd6682e9b5d (Jie Wang 2022-01-05 22:20:03 +0800 108) void hclge_comm_get_rss_indir_tbl(struct hclge_comm_rss_cfg *rss_cfg,
6de0600428679 (Jie Wang 2022-01-05 22:20:06 +0800 109)                            u32 *indir, __le16 rss_ind_tbl_size);

---
0-DAY CI Kernel Test Service, Intel Corporation
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