From: kernel test robot <lkp@intel.com>
To: Rob Herring <robh@kernel.org>
Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev,
Linux Memory Management List <linux-mm@kvack.org>
Subject: [linux-next:master 11471/12451] drivers/net/mdio/mdio-xgene.c:303:34: warning: unused variable 'xgene_mdio_of_match'
Date: Tue, 17 Oct 2023 08:15:21 +0800 [thread overview]
Message-ID: <202310170832.xnVXw1bb-lkp@intel.com> (raw)
tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
head: 4d0515b235dec789578d135a5db586b25c5870cb
commit: a243ecc323b99f1042262319c1d77f1c52f0e307 [11471/12451] net: mdio: xgene: Use device_get_match_data()
config: hexagon-randconfig-r005-20221019 (https://download.01.org/0day-ci/archive/20231017/202310170832.xnVXw1bb-lkp@intel.com/config)
compiler: clang version 16.0.4 (https://github.com/llvm/llvm-project.git ae42196bc493ffe877a7e3dff8be32035dea4d07)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231017/202310170832.xnVXw1bb-lkp@intel.com/reproduce)
If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202310170832.xnVXw1bb-lkp@intel.com/
All warnings (new ones prefixed by >>):
In file included from drivers/net/mdio/mdio-xgene.c:11:
In file included from include/linux/efi.h:20:
In file included from include/linux/rtc.h:17:
In file included from include/linux/interrupt.h:11:
In file included from include/linux/hardirq.h:11:
In file included from ./arch/hexagon/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/hexagon/include/asm/io.h:337:
include/asm-generic/io.h:547:31: 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:560:61: 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:37:51: note: expanded from macro '__le16_to_cpu'
#define __le16_to_cpu(x) ((__force __u16)(__le16)(x))
^
In file included from drivers/net/mdio/mdio-xgene.c:11:
In file included from include/linux/efi.h:20:
In file included from include/linux/rtc.h:17:
In file included from include/linux/interrupt.h:11:
In file included from include/linux/hardirq.h:11:
In file included from ./arch/hexagon/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/hexagon/include/asm/io.h:337:
include/asm-generic/io.h:573:61: 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:35:51: note: expanded from macro '__le32_to_cpu'
#define __le32_to_cpu(x) ((__force __u32)(__le32)(x))
^
In file included from drivers/net/mdio/mdio-xgene.c:11:
In file included from include/linux/efi.h:20:
In file included from include/linux/rtc.h:17:
In file included from include/linux/interrupt.h:11:
In file included from include/linux/hardirq.h:11:
In file included from ./arch/hexagon/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/hexagon/include/asm/io.h:337:
include/asm-generic/io.h:584:33: 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:594:59: 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:604:59: 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);
~~~~~~~~~~ ^
>> drivers/net/mdio/mdio-xgene.c:303:34: warning: unused variable 'xgene_mdio_of_match' [-Wunused-const-variable]
static const struct of_device_id xgene_mdio_of_match[] = {
^
7 warnings generated.
vim +/xgene_mdio_of_match +303 drivers/net/mdio/mdio-xgene.c
43b3cf6634a4ae drivers/net/phy/mdio-xgene.c Iyappan Subramanian 2016-07-25 302
1f3d62090d3ba4 drivers/net/phy/mdio-xgene.c Arnd Bergmann 2017-02-01 @303 static const struct of_device_id xgene_mdio_of_match[] = {
1f3d62090d3ba4 drivers/net/phy/mdio-xgene.c Arnd Bergmann 2017-02-01 304 {
1f3d62090d3ba4 drivers/net/phy/mdio-xgene.c Arnd Bergmann 2017-02-01 305 .compatible = "apm,xgene-mdio-rgmii",
1f3d62090d3ba4 drivers/net/phy/mdio-xgene.c Arnd Bergmann 2017-02-01 306 .data = (void *)XGENE_MDIO_RGMII
1f3d62090d3ba4 drivers/net/phy/mdio-xgene.c Arnd Bergmann 2017-02-01 307 },
1f3d62090d3ba4 drivers/net/phy/mdio-xgene.c Arnd Bergmann 2017-02-01 308 {
1f3d62090d3ba4 drivers/net/phy/mdio-xgene.c Arnd Bergmann 2017-02-01 309 .compatible = "apm,xgene-mdio-xfi",
1f3d62090d3ba4 drivers/net/phy/mdio-xgene.c Arnd Bergmann 2017-02-01 310 .data = (void *)XGENE_MDIO_XFI
1f3d62090d3ba4 drivers/net/phy/mdio-xgene.c Arnd Bergmann 2017-02-01 311 },
1f3d62090d3ba4 drivers/net/phy/mdio-xgene.c Arnd Bergmann 2017-02-01 312 {},
1f3d62090d3ba4 drivers/net/phy/mdio-xgene.c Arnd Bergmann 2017-02-01 313 };
1f3d62090d3ba4 drivers/net/phy/mdio-xgene.c Arnd Bergmann 2017-02-01 314 MODULE_DEVICE_TABLE(of, xgene_mdio_of_match);
1f3d62090d3ba4 drivers/net/phy/mdio-xgene.c Arnd Bergmann 2017-02-01 315
:::::: The code at line 303 was first introduced by commit
:::::: 1f3d62090d3ba4d0c14e5271be87812fc577b197 xgene_enet: remove bogus forward declarations
:::::: TO: Arnd Bergmann <arnd@arndb.de>
:::::: CC: David S. Miller <davem@davemloft.net>
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
reply other threads:[~2023-10-17 0:16 UTC|newest]
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