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Message-ID: <202108231451.g5EWTxzn-lkp@intel.com>
Date: Mon, 23 Aug 2021 14:49:58 +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 16/16]
drivers/net/ethernet/chelsio/cxgb4/t4_hw.c:2782:8: error: implicit
declaration of function 'pci_vpd_find_ro_info_keyword'
tree: https://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next.git master
head: 8d63ee602da381c437c0a4ef7ea882b71d829eb6
commit: 8d63ee602da381c437c0a4ef7ea882b71d829eb6 [16/16] cxgb4: Search VPD with pci_vpd_find_ro_info_keyword()
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=8d63ee602da381c437c0a4ef7ea882b71d829eb6
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 8d63ee602da381c437c0a4ef7ea882b71d829eb6
# 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:2775:8: error: implicit declaration of function 'pci_vpd_check_csum' [-Werror,-Wimplicit-function-declaration]
ret = pci_vpd_check_csum(vpd, VPD_LEN);
^
>> drivers/net/ethernet/chelsio/cxgb4/t4_hw.c:2782:8: error: implicit declaration of function 'pci_vpd_find_ro_info_keyword' [-Werror,-Wimplicit-function-declaration]
ret = pci_vpd_find_ro_info_keyword(vpd, VPD_LEN,
^
drivers/net/ethernet/chelsio/cxgb4/t4_hw.c:2782:8: note: did you mean 'pci_vpd_find_info_keyword'?
include/linux/pci.h:2349:5: note: 'pci_vpd_find_info_keyword' declared here
int pci_vpd_find_info_keyword(const u8 *buf, unsigned int off,
^
7 warnings and 2 errors generated.
vim +/pci_vpd_find_ro_info_keyword +2782 drivers/net/ethernet/chelsio/cxgb4/t4_hw.c
2736
2737 /**
2738 * t4_get_raw_vpd_params - read VPD parameters from VPD EEPROM
2739 * @adapter: adapter to read
2740 * @p: where to store the parameters
2741 *
2742 * Reads card parameters stored in VPD EEPROM.
2743 */
2744 int t4_get_raw_vpd_params(struct adapter *adapter, struct vpd_params *p)
2745 {
2746 unsigned int id_len, pn_len, sn_len, na_len;
2747 int sn, pn, na, addr, ret = 0;
2748 u8 *vpd, base_val = 0;
2749
2750 vpd = vmalloc(VPD_LEN);
2751 if (!vpd)
2752 return -ENOMEM;
2753
2754 /* Card information normally starts at VPD_BASE but early cards had
2755 * it at 0.
2756 */
2757 ret = pci_read_vpd(adapter->pdev, VPD_BASE, 1, &base_val);
2758 if (ret < 0)
2759 goto out;
2760
2761 addr = base_val == PCI_VPD_LRDT_ID_STRING ? VPD_BASE : VPD_BASE_OLD;
2762
2763 ret = pci_read_vpd(adapter->pdev, addr, VPD_LEN, vpd);
2764 if (ret < 0)
2765 goto out;
2766
2767 if (vpd[0] != PCI_VPD_LRDT_ID_STRING) {
2768 dev_err(adapter->pdev_dev, "missing VPD ID string\n");
2769 ret = -EINVAL;
2770 goto out;
2771 }
2772
2773 id_len = pci_vpd_lrdt_size(vpd);
2774
2775 ret = pci_vpd_check_csum(vpd, VPD_LEN);
2776 if (ret) {
2777 dev_err(adapter->pdev_dev, "VPD checksum incorrect or missing\n");
2778 ret = -EINVAL;
2779 goto out;
2780 }
2781
> 2782 ret = pci_vpd_find_ro_info_keyword(vpd, VPD_LEN,
2783 PCI_VPD_RO_KEYWORD_SERIALNO, &sn_len);
2784 if (ret < 0)
2785 goto out;
2786 sn = ret;
2787
2788 ret = pci_vpd_find_ro_info_keyword(vpd, VPD_LEN,
2789 PCI_VPD_RO_KEYWORD_PARTNO, &pn_len);
2790 if (ret < 0)
2791 goto out;
2792 pn = ret;
2793
2794 ret = pci_vpd_find_ro_info_keyword(vpd, VPD_LEN, "NA", &na_len);
2795 if (ret < 0)
2796 goto out;
2797 na = ret;
2798
2799 memcpy(p->id, vpd + PCI_VPD_LRDT_TAG_SIZE, min_t(int, id_len, ID_LEN));
2800 strim(p->id);
2801 memcpy(p->sn, vpd + sn, min_t(int, sn_len, SERNUM_LEN));
2802 strim(p->sn);
2803 memcpy(p->pn, vpd + pn, min_t(int, pn_len, PN_LEN));
2804 strim(p->pn);
2805 memcpy(p->na, vpd + na, min_t(int, na_len, MACADDR_LEN));
2806 strim((char *)p->na);
2807
2808 out:
2809 vfree(vpd);
2810 if (ret < 0) {
2811 dev_err(adapter->pdev_dev, "error reading VPD\n");
2812 return ret;
2813 }
2814
2815 return 0;
2816 }
2817
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
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