drivers/net/ethernet/hisilicon/hns3/hns3_common/hclge_comm_rss.c:199:6: sparse: void extern [addressable] [toplevel] hclge_comm_get_rss_indir_tbl( ... )

From: kernel test robot
Date: Tue Mar 08 2022 - 22:16:00 EST


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@xxxxxxxxx/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@xxxxxxxxx>


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);

---
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