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Message-ID: <202108231305.35WkCXbI-lkp@intel.com>
Date: Mon, 23 Aug 2021 13:11:14 +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 7/16]
drivers/net/ethernet/sfc/falcon/efx.c:2798:10: 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: 01dbe7129d9ccd5fe940897888645f06327b34ff [7/16] sfc: falcon: 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=01dbe7129d9ccd5fe940897888645f06327b34ff
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 01dbe7129d9ccd5fe940897888645f06327b34ff
# 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/sfc/falcon/efx.c:9:
In file included from include/linux/pci.h:38:
In file included from include/linux/interrupt.h:11:
In file included from include/linux/hardirq.h:11:
In file included from ./arch/riscv/include/generated/asm/hardirq.h:1:
In file included from include/asm-generic/hardirq.h:17:
In file included from include/linux/irq.h:20:
In file included from include/linux/io.h:13:
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/sfc/falcon/efx.c:9:
In file included from include/linux/pci.h:38:
In file included from include/linux/interrupt.h:11:
In file included from include/linux/hardirq.h:11:
In file included from ./arch/riscv/include/generated/asm/hardirq.h:1:
In file included from include/asm-generic/hardirq.h:17:
In file included from include/linux/irq.h:20:
In file included from include/linux/io.h:13:
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/sfc/falcon/efx.c:9:
In file included from include/linux/pci.h:38:
In file included from include/linux/interrupt.h:11:
In file included from include/linux/hardirq.h:11:
In file included from ./arch/riscv/include/generated/asm/hardirq.h:1:
In file included from include/asm-generic/hardirq.h:17:
In file included from include/linux/irq.h:20:
In file included from include/linux/io.h:13:
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/sfc/falcon/efx.c:2792:13: error: implicit declaration of function 'pci_vpd_alloc' [-Werror,-Wimplicit-function-declaration]
vpd_data = pci_vpd_alloc(dev, &vpd_size);
^
drivers/net/ethernet/sfc/falcon/efx.c:2792:11: warning: incompatible integer to pointer conversion assigning to 'u8 *' (aka 'unsigned char *') from 'int' [-Wint-conversion]
vpd_data = pci_vpd_alloc(dev, &vpd_size);
^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>> drivers/net/ethernet/sfc/falcon/efx.c:2798:10: error: implicit declaration of function 'pci_vpd_find_ro_info_keyword' [-Werror,-Wimplicit-function-declaration]
start = pci_vpd_find_ro_info_keyword(vpd_data, vpd_size,
^
drivers/net/ethernet/sfc/falcon/efx.c:2798:10: 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,
^
8 warnings and 2 errors generated.
vim +/pci_vpd_find_ro_info_keyword +2798 drivers/net/ethernet/sfc/falcon/efx.c
2781
2782 /* NIC VPD information
2783 * Called during probe to display the part number of the installed NIC.
2784 */
2785 static void ef4_probe_vpd_strings(struct ef4_nic *efx)
2786 {
2787 struct pci_dev *dev = efx->pci_dev;
2788 unsigned int vpd_size, kw_len;
2789 u8 *vpd_data;
2790 int start;
2791
2792 vpd_data = pci_vpd_alloc(dev, &vpd_size);
2793 if (IS_ERR(vpd_data)) {
2794 pci_warn(dev, "Unable to read VPD\n");
2795 return;
2796 }
2797
> 2798 start = pci_vpd_find_ro_info_keyword(vpd_data, vpd_size,
2799 PCI_VPD_RO_KEYWORD_PARTNO, &kw_len);
2800 if (start < 0)
2801 pci_warn(dev, "Part number not found or incomplete\n");
2802 else
2803 pci_info(dev, "Part Number : %.*s\n", kw_len, vpd_data + start);
2804
2805 start = pci_vpd_find_ro_info_keyword(vpd_data, vpd_size,
2806 PCI_VPD_RO_KEYWORD_SERIALNO, &kw_len);
2807 if (start < 0)
2808 pci_warn(dev, "Serial number not found or incomplete\n");
2809 else
2810 efx->vpd_sn = kmemdup_nul(vpd_data + start, kw_len, GFP_KERNEL);
2811
2812 kfree(vpd_data);
2813 }
2814
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
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