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Message-ID: <202108231323.Wz7uCjZy-lkp@intel.com>
Date: Mon, 23 Aug 2021 13:48:32 +0800
From: kernel test robot <lkp@...el.com>
To: Heiner Kallweit <hkallweit1@...il.com>
Cc: clang-built-linux@...glegroups.com, kbuild-all@...ts.01.org,
netdev@...r.kernel.org
Subject: [net-next:master 14/16]
drivers/net/ethernet/chelsio/cxgb4/t4_hw.c:2803:8: error: implicit
declaration of function 'pci_vpd_check_csum'
tree: https://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next.git master
head: 8d63ee602da381c437c0a4ef7ea882b71d829eb6
commit: 96ce96f151261e33a170cecb8a4fa664b45743ab [14/16] cxgb4: Validate VPD checksum with pci_vpd_check_csum()
config: riscv-randconfig-r014-20210822 (attached as .config)
compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project 79b55e5038324e61a3abf4e6a9a949c473edd858)
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
# install riscv cross compiling tool for clang build
# apt-get install binutils-riscv64-linux-gnu
# https://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next.git/commit/?id=96ce96f151261e33a170cecb8a4fa664b45743ab
git remote add net-next https://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next.git
git fetch --no-tags net-next master
git checkout 96ce96f151261e33a170cecb8a4fa664b45743ab
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=riscv
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@...el.com>
All errors (new ones prefixed by >>):
In file included from drivers/net/ethernet/chelsio/cxgb4/t4_hw.c:36:
In file included from drivers/net/ethernet/chelsio/cxgb4/cxgb4.h:42:
In file included from include/linux/ethtool.h:18:
In file included from include/uapi/linux/ethtool.h:19:
In file included from include/linux/if_ether.h:19:
In file included from include/linux/skbuff.h:31:
In file included from include/linux/dma-mapping.h:10:
In file included from include/linux/scatterlist.h:9:
In file included from arch/riscv/include/asm/io.h:136:
include/asm-generic/io.h:464:31: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
val = __raw_readb(PCI_IOBASE + addr);
~~~~~~~~~~ ^
include/asm-generic/io.h:477:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
val = __le16_to_cpu((__le16 __force)__raw_readw(PCI_IOBASE + addr));
~~~~~~~~~~ ^
include/uapi/linux/byteorder/little_endian.h:36:51: note: expanded from macro '__le16_to_cpu'
#define __le16_to_cpu(x) ((__force __u16)(__le16)(x))
^
In file included from drivers/net/ethernet/chelsio/cxgb4/t4_hw.c:36:
In file included from drivers/net/ethernet/chelsio/cxgb4/cxgb4.h:42:
In file included from include/linux/ethtool.h:18:
In file included from include/uapi/linux/ethtool.h:19:
In file included from include/linux/if_ether.h:19:
In file included from include/linux/skbuff.h:31:
In file included from include/linux/dma-mapping.h:10:
In file included from include/linux/scatterlist.h:9:
In file included from arch/riscv/include/asm/io.h:136:
include/asm-generic/io.h:490:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
val = __le32_to_cpu((__le32 __force)__raw_readl(PCI_IOBASE + addr));
~~~~~~~~~~ ^
include/uapi/linux/byteorder/little_endian.h:34:51: note: expanded from macro '__le32_to_cpu'
#define __le32_to_cpu(x) ((__force __u32)(__le32)(x))
^
In file included from drivers/net/ethernet/chelsio/cxgb4/t4_hw.c:36:
In file included from drivers/net/ethernet/chelsio/cxgb4/cxgb4.h:42:
In file included from include/linux/ethtool.h:18:
In file included from include/uapi/linux/ethtool.h:19:
In file included from include/linux/if_ether.h:19:
In file included from include/linux/skbuff.h:31:
In file included from include/linux/dma-mapping.h:10:
In file included from include/linux/scatterlist.h:9:
In file included from arch/riscv/include/asm/io.h:136:
include/asm-generic/io.h:501:33: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
__raw_writeb(value, PCI_IOBASE + addr);
~~~~~~~~~~ ^
include/asm-generic/io.h:511:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
__raw_writew((u16 __force)cpu_to_le16(value), PCI_IOBASE + addr);
~~~~~~~~~~ ^
include/asm-generic/io.h:521:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
__raw_writel((u32 __force)cpu_to_le32(value), PCI_IOBASE + addr);
~~~~~~~~~~ ^
include/asm-generic/io.h:1024:55: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
return (port > MMIO_UPPER_LIMIT) ? NULL : PCI_IOBASE + port;
~~~~~~~~~~ ^
>> drivers/net/ethernet/chelsio/cxgb4/t4_hw.c:2803:8: error: implicit declaration of function 'pci_vpd_check_csum' [-Werror,-Wimplicit-function-declaration]
ret = pci_vpd_check_csum(vpd, VPD_LEN);
^
7 warnings and 1 error generated.
vim +/pci_vpd_check_csum +2803 drivers/net/ethernet/chelsio/cxgb4/t4_hw.c
2802
> 2803 ret = pci_vpd_check_csum(vpd, VPD_LEN);
2804 if (ret) {
2805 dev_err(adapter->pdev_dev, "VPD checksum incorrect or missing\n");
2806 ret = -EINVAL;
2807 goto out;
2808 }
2809
2810 FIND_VPD_KW(ec, "EC");
2811 FIND_VPD_KW(sn, "SN");
2812 FIND_VPD_KW(pn, "PN");
2813 FIND_VPD_KW(na, "NA");
2814 #undef FIND_VPD_KW
2815
2816 memcpy(p->id, vpd + PCI_VPD_LRDT_TAG_SIZE, id_len);
2817 strim(p->id);
2818 memcpy(p->ec, vpd + ec, EC_LEN);
2819 strim(p->ec);
2820 i = pci_vpd_info_field_size(vpd + sn - PCI_VPD_INFO_FLD_HDR_SIZE);
2821 memcpy(p->sn, vpd + sn, min(i, SERNUM_LEN));
2822 strim(p->sn);
2823 i = pci_vpd_info_field_size(vpd + pn - PCI_VPD_INFO_FLD_HDR_SIZE);
2824 memcpy(p->pn, vpd + pn, min(i, PN_LEN));
2825 strim(p->pn);
2826 memcpy(p->na, vpd + na, min(i, MACADDR_LEN));
2827 strim((char *)p->na);
2828
2829 out:
2830 vfree(vpd);
2831 return ret < 0 ? ret : 0;
2832 }
2833
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
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