* [staging:staging-next 88/94] drivers/staging/gpib/pc2/pc2_gpib.c:465:4: error: call to undeclared function 'free_dma'; ISO C99 and later do not support implicit function declarations
@ 2024-10-12 20:03 kernel test robot
0 siblings, 0 replies; only message in thread
From: kernel test robot @ 2024-10-12 20:03 UTC (permalink / raw)
Cc: oe-kbuild-all, llvm
CC: devel@driverdev.osuosl.org
TO: Dave Penkler <dpenkler@gmail.com>
CC: "Greg Kroah-Hartman" <gregkh@linuxfoundation.org>
Hi Dave,
First bad commit (maybe != root cause):
tree: https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging.git staging-next
head: 728b72f4d40e1cdb5e27a187c5d89a05f8000747
commit: 165e8cc3cfec9ef51f3376b0d49b115294f34f3b [88/94] staging: gpib: Add KBUILD files for GPIB drivers
config: hexagon-allmodconfig (https://download.01.org/0day-ci/archive/20241013/202410130406.S1vi3OTc-lkp@intel.com/config)
compiler: clang version 20.0.0git (https://github.com/llvm/llvm-project 70e0a7e7e6a8541bcc46908c592eed561850e416)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241013/202410130406.S1vi3OTc-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/202410130406.S1vi3OTc-lkp@intel.com/
All error/warnings (new ones prefixed by >>):
In file included from drivers/staging/gpib/ines/ines_gpib.c:8:
In file included from drivers/staging/gpib/ines/ines.h:11:
In file included from drivers/staging/gpib/include/nec7210.h:14:
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:14:
In file included from arch/hexagon/include/asm/io.h:328:
include/asm-generic/io.h:548:31: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
548 | val = __raw_readb(PCI_IOBASE + addr);
| ~~~~~~~~~~ ^
include/asm-generic/io.h:561:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
561 | 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'
37 | #define __le16_to_cpu(x) ((__force __u16)(__le16)(x))
| ^
In file included from drivers/staging/gpib/ines/ines_gpib.c:8:
In file included from drivers/staging/gpib/ines/ines.h:11:
In file included from drivers/staging/gpib/include/nec7210.h:14:
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:14:
In file included from arch/hexagon/include/asm/io.h:328:
include/asm-generic/io.h:574:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
574 | 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'
35 | #define __le32_to_cpu(x) ((__force __u32)(__le32)(x))
| ^
In file included from drivers/staging/gpib/ines/ines_gpib.c:8:
In file included from drivers/staging/gpib/ines/ines.h:11:
In file included from drivers/staging/gpib/include/nec7210.h:14:
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:14:
In file included from arch/hexagon/include/asm/io.h:328:
include/asm-generic/io.h:585:33: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
585 | __raw_writeb(value, PCI_IOBASE + addr);
| ~~~~~~~~~~ ^
include/asm-generic/io.h:595:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
595 | __raw_writew((u16 __force)cpu_to_le16(value), PCI_IOBASE + addr);
| ~~~~~~~~~~ ^
include/asm-generic/io.h:605:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
605 | __raw_writel((u32 __force)cpu_to_le32(value), PCI_IOBASE + addr);
| ~~~~~~~~~~ ^
In file included from drivers/staging/gpib/ines/ines_gpib.c:10:
In file included from include/linux/pci.h:2676:
In file included from include/linux/dma-mapping.h:11:
In file included from include/linux/scatterlist.h:8:
In file included from include/linux/mm.h:2213:
include/linux/vmstat.h:518:36: warning: arithmetic between different enumeration types ('enum node_stat_item' and 'enum lru_list') [-Wenum-enum-conversion]
518 | return node_stat_name(NR_LRU_BASE + lru) + 3; // skip "nr_"
| ~~~~~~~~~~~ ^ ~~~
In file included from drivers/staging/gpib/ines/ines_gpib.c:19:
drivers/staging/gpib/include/gpib_pci_ids.h:3:9: warning: '__GPIB_PCI_IDS_H' is used as a header guard here, followed by #define of a different macro [-Wheader-guard]
3 | #ifndef __GPIB_PCI_IDS_H
| ^~~~~~~~~~~~~~~~
drivers/staging/gpib/include/gpib_pci_ids.h:4:9: note: '__GPIB_LINUX_PCI_IDS_H' is defined here; did you mean '__GPIB_PCI_IDS_H'?
4 | #define __GPIB_LINUX_PCI_IDS_H
| ^~~~~~~~~~~~~~~~~~~~~~
| __GPIB_PCI_IDS_H
drivers/staging/gpib/ines/ines_gpib.c:28:23: warning: variable 'nec_priv' set but not used [-Wunused-but-set-variable]
28 | struct nec7210_priv *nec_priv;
| ^
>> drivers/staging/gpib/ines/ines_gpib.c:74:34: warning: bitwise operation between different enumeration types ('enum ines_aux_reg_bits' and 'enum ines_auxd_bits') [-Wenum-enum-conversion]
74 | write_byte(nec_priv, INES_AUXD | INES_FOLLOWING_T1_250ns |
| ~~~~~~~~~ ^ ~~~~~~~~~~~~~~~~~~~~~~~
drivers/staging/gpib/ines/ines_gpib.c:78:34: warning: bitwise operation between different enumeration types ('enum ines_aux_reg_bits' and 'enum ines_auxd_bits') [-Wenum-enum-conversion]
78 | write_byte(nec_priv, INES_AUXD | INES_FOLLOWING_T1_350ns |
| ~~~~~~~~~ ^ ~~~~~~~~~~~~~~~~~~~~~~~
drivers/staging/gpib/ines/ines_gpib.c:82:34: warning: bitwise operation between different enumeration types ('enum ines_aux_reg_bits' and 'enum ines_auxd_bits') [-Wenum-enum-conversion]
82 | write_byte(nec_priv, INES_AUXD | INES_FOLLOWING_T1_500ns |
| ~~~~~~~~~ ^ ~~~~~~~~~~~~~~~~~~~~~~~
drivers/staging/gpib/ines/ines_gpib.c:1121:21: warning: variable 'dev' set but not used [-Wunused-but-set-variable]
1121 | struct local_info *dev;
| ^
drivers/staging/gpib/ines/ines_gpib.c:90:18: warning: unused variable 'in_fifo_size' [-Wunused-const-variable]
90 | static const int in_fifo_size = 0xff;
| ^~~~~~~~~~~~
14 warnings generated.
--
In file included from drivers/staging/gpib/nec7210/nec7210.c:7:
In file included from drivers/staging/gpib/nec7210/board.h:10:
In file included from drivers/staging/gpib/include/gpibP.h:12:
In file included from drivers/staging/gpib/include/gpib_types.h:23:
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:14:
In file included from arch/hexagon/include/asm/io.h:328:
include/asm-generic/io.h:548:31: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
548 | val = __raw_readb(PCI_IOBASE + addr);
| ~~~~~~~~~~ ^
include/asm-generic/io.h:561:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
561 | 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'
37 | #define __le16_to_cpu(x) ((__force __u16)(__le16)(x))
| ^
In file included from drivers/staging/gpib/nec7210/nec7210.c:7:
In file included from drivers/staging/gpib/nec7210/board.h:10:
In file included from drivers/staging/gpib/include/gpibP.h:12:
In file included from drivers/staging/gpib/include/gpib_types.h:23:
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:14:
In file included from arch/hexagon/include/asm/io.h:328:
include/asm-generic/io.h:574:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
574 | 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'
35 | #define __le32_to_cpu(x) ((__force __u32)(__le32)(x))
| ^
In file included from drivers/staging/gpib/nec7210/nec7210.c:7:
In file included from drivers/staging/gpib/nec7210/board.h:10:
In file included from drivers/staging/gpib/include/gpibP.h:12:
In file included from drivers/staging/gpib/include/gpib_types.h:23:
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:14:
In file included from arch/hexagon/include/asm/io.h:328:
include/asm-generic/io.h:585:33: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
585 | __raw_writeb(value, PCI_IOBASE + addr);
| ~~~~~~~~~~ ^
include/asm-generic/io.h:595:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
595 | __raw_writew((u16 __force)cpu_to_le16(value), PCI_IOBASE + addr);
| ~~~~~~~~~~ ^
include/asm-generic/io.h:605:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
605 | __raw_writel((u32 __force)cpu_to_le32(value), PCI_IOBASE + addr);
| ~~~~~~~~~~ ^
In file included from drivers/staging/gpib/nec7210/nec7210.c:14:
In file included from include/linux/pci.h:2676:
In file included from include/linux/dma-mapping.h:11:
In file included from include/linux/scatterlist.h:8:
In file included from include/linux/mm.h:2213:
include/linux/vmstat.h:518:36: warning: arithmetic between different enumeration types ('enum node_stat_item' and 'enum lru_list') [-Wenum-enum-conversion]
518 | return node_stat_name(NR_LRU_BASE + lru) + 3; // skip "nr_"
| ~~~~~~~~~~~ ^ ~~~
drivers/staging/gpib/nec7210/nec7210.c:940:16: warning: variable 'command' set but not used [-Wunused-but-set-variable]
940 | unsigned int command;
| ^
>> drivers/staging/gpib/nec7210/nec7210.c:1000:23: warning: bitwise operation between different enumeration types ('enum auxmr_bits' and 'enum ppr_bits') [-Wenum-enum-conversion]
1000 | write_byte(priv, PPR | HR_PPU, AUXMR);
| ~~~ ^ ~~~~~~
>> drivers/staging/gpib/nec7210/nec7210.c:1004:26: warning: bitwise operation between different enumeration types ('enum auxmr_bits' and 'enum auxra_bits') [-Wenum-enum-conversion]
1004 | priv->auxa_bits = AUXRA | HR_HLDA;
| ~~~~~ ^ ~~~~~~~
>> drivers/staging/gpib/nec7210/nec7210.c:1010:26: warning: bitwise operation between different enumeration types ('enum auxmr_bits' and 'enum auxrb_bits') [-Wenum-enum-conversion]
1010 | priv->auxb_bits = AUXRB | HR_CPTE;
| ~~~~~ ^ ~~~~~~~
11 warnings generated.
--
In file included from drivers/staging/gpib/ni_usb/ni_usb_gpib.c:11:
In file included from drivers/staging/gpib/ni_usb/ni_usb_gpib.h:12:
In file included from include/linux/usb.h:16:
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:14:
In file included from arch/hexagon/include/asm/io.h:328:
include/asm-generic/io.h:548:31: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
548 | val = __raw_readb(PCI_IOBASE + addr);
| ~~~~~~~~~~ ^
include/asm-generic/io.h:561:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
561 | 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'
37 | #define __le16_to_cpu(x) ((__force __u16)(__le16)(x))
| ^
In file included from drivers/staging/gpib/ni_usb/ni_usb_gpib.c:11:
In file included from drivers/staging/gpib/ni_usb/ni_usb_gpib.h:12:
In file included from include/linux/usb.h:16:
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:14:
In file included from arch/hexagon/include/asm/io.h:328:
include/asm-generic/io.h:574:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
574 | 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'
35 | #define __le32_to_cpu(x) ((__force __u32)(__le32)(x))
| ^
In file included from drivers/staging/gpib/ni_usb/ni_usb_gpib.c:11:
In file included from drivers/staging/gpib/ni_usb/ni_usb_gpib.h:12:
In file included from include/linux/usb.h:16:
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:14:
In file included from arch/hexagon/include/asm/io.h:328:
include/asm-generic/io.h:585:33: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
585 | __raw_writeb(value, PCI_IOBASE + addr);
| ~~~~~~~~~~ ^
include/asm-generic/io.h:595:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
595 | __raw_writew((u16 __force)cpu_to_le16(value), PCI_IOBASE + addr);
| ~~~~~~~~~~ ^
include/asm-generic/io.h:605:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
605 | __raw_writel((u32 __force)cpu_to_le32(value), PCI_IOBASE + addr);
| ~~~~~~~~~~ ^
drivers/staging/gpib/ni_usb/ni_usb_gpib.c:441:15: warning: variable 'adr1_bits' set but not used [-Wunused-but-set-variable]
441 | unsigned int adr1_bits;
| ^
>> drivers/staging/gpib/ni_usb/ni_usb_gpib.c:1557:24: warning: bitwise operation between different enumeration types ('enum tnt4882_aux_regs' and 'enum auxi_bits') [-Wenum-enum-conversion]
1557 | reg[i].value = AUXRI | USTD | SISB;
| ~~~~~ ^ ~~~~
drivers/staging/gpib/ni_usb/ni_usb_gpib.c:1560:24: warning: bitwise operation between different enumeration types ('enum tnt4882_aux_regs' and 'enum auxi_bits') [-Wenum-enum-conversion]
1560 | reg[i].value = AUXRI | SISB;
| ~~~~~ ^ ~~~~
>> drivers/staging/gpib/ni_usb/ni_usb_gpib.c:1566:24: warning: bitwise operation between different enumeration types ('enum auxmr_bits' and 'enum auxrb_bits') [-Wenum-enum-conversion]
1566 | reg[i].value = AUXRB | HR_TRI;
| ~~~~~ ^ ~~~~~~
>> drivers/staging/gpib/ni_usb/ni_usb_gpib.c:1643:15: warning: bitwise operation between different enumeration types ('enum auxmr_bits' and 'enum auxra_bits') [-Wenum-enum-conversion]
1643 | mask = AUXRA | HR_HLDA;
| ~~~~~ ^ ~~~~~~~
>> drivers/staging/gpib/ni_usb/ni_usb_gpib.c:1685:26: warning: bitwise operation between different enumeration types ('enum tnt4882_aux_regs' and 'enum auxg_bits') [-Wenum-enum-conversion]
1685 | writes[i].value = AUXRG | NTNL_BIT;
| ~~~~~ ^ ~~~~~~~~
12 warnings generated.
--
In file included from drivers/staging/gpib/pc2/pc2_gpib.c:12:
In file included from arch/hexagon/include/asm/dma.h:9:
In file included from arch/hexagon/include/asm/io.h:328:
include/asm-generic/io.h:548:31: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
548 | val = __raw_readb(PCI_IOBASE + addr);
| ~~~~~~~~~~ ^
include/asm-generic/io.h:561:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
561 | 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'
37 | #define __le16_to_cpu(x) ((__force __u16)(__le16)(x))
| ^
In file included from drivers/staging/gpib/pc2/pc2_gpib.c:12:
In file included from arch/hexagon/include/asm/dma.h:9:
In file included from arch/hexagon/include/asm/io.h:328:
include/asm-generic/io.h:574:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
574 | 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'
35 | #define __le32_to_cpu(x) ((__force __u32)(__le32)(x))
| ^
In file included from drivers/staging/gpib/pc2/pc2_gpib.c:12:
In file included from arch/hexagon/include/asm/dma.h:9:
In file included from arch/hexagon/include/asm/io.h:328:
include/asm-generic/io.h:585:33: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
585 | __raw_writeb(value, PCI_IOBASE + addr);
| ~~~~~~~~~~ ^
include/asm-generic/io.h:595:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
595 | __raw_writew((u16 __force)cpu_to_le16(value), PCI_IOBASE + addr);
| ~~~~~~~~~~ ^
include/asm-generic/io.h:605:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
605 | __raw_writel((u32 __force)cpu_to_le32(value), PCI_IOBASE + addr);
| ~~~~~~~~~~ ^
In file included from drivers/staging/gpib/pc2/pc2_gpib.c:13:
In file included from include/linux/dma-mapping.h:11:
In file included from include/linux/scatterlist.h:8:
In file included from include/linux/mm.h:2213:
include/linux/vmstat.h:518:36: warning: arithmetic between different enumeration types ('enum node_stat_item' and 'enum lru_list') [-Wenum-enum-conversion]
518 | return node_stat_name(NR_LRU_BASE + lru) + 3; // skip "nr_"
| ~~~~~~~~~~~ ^ ~~~
>> drivers/staging/gpib/pc2/pc2_gpib.c:465:4: error: call to undeclared function 'free_dma'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
465 | free_dma(nec_priv->dma_channel);
| ^
drivers/staging/gpib/pc2/pc2_gpib.c:465:4: note: did you mean 'free_nmi'?
include/linux/interrupt.h:203:20: note: 'free_nmi' declared here
203 | extern const void *free_nmi(unsigned int irq, void *dev_id);
| ^
drivers/staging/gpib/pc2/pc2_gpib.c:599:4: error: call to undeclared function 'free_dma'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
599 | free_dma(nec_priv->dma_channel);
| ^
7 warnings and 2 errors generated.
--
In file included from drivers/staging/gpib/tnt4882/tnt4882_gpib.c:12:
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/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:14:
In file included from arch/hexagon/include/asm/io.h:328:
include/asm-generic/io.h:548:31: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
548 | val = __raw_readb(PCI_IOBASE + addr);
| ~~~~~~~~~~ ^
include/asm-generic/io.h:561:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
561 | 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'
37 | #define __le16_to_cpu(x) ((__force __u16)(__le16)(x))
| ^
In file included from drivers/staging/gpib/tnt4882/tnt4882_gpib.c:12:
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/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:14:
In file included from arch/hexagon/include/asm/io.h:328:
include/asm-generic/io.h:574:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
574 | 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'
35 | #define __le32_to_cpu(x) ((__force __u32)(__le32)(x))
| ^
In file included from drivers/staging/gpib/tnt4882/tnt4882_gpib.c:12:
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/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:14:
In file included from arch/hexagon/include/asm/io.h:328:
include/asm-generic/io.h:585:33: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
585 | __raw_writeb(value, PCI_IOBASE + addr);
| ~~~~~~~~~~ ^
include/asm-generic/io.h:595:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
595 | __raw_writew((u16 __force)cpu_to_le16(value), PCI_IOBASE + addr);
| ~~~~~~~~~~ ^
include/asm-generic/io.h:605:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
605 | __raw_writel((u32 __force)cpu_to_le32(value), PCI_IOBASE + addr);
| ~~~~~~~~~~ ^
In file included from drivers/staging/gpib/tnt4882/tnt4882_gpib.c:12:
In file included from include/linux/pci.h:2676:
In file included from include/linux/dma-mapping.h:11:
In file included from include/linux/scatterlist.h:8:
In file included from include/linux/mm.h:2213:
include/linux/vmstat.h:518:36: warning: arithmetic between different enumeration types ('enum node_stat_item' and 'enum lru_list') [-Wenum-enum-conversion]
518 | return node_stat_name(NR_LRU_BASE + lru) + 3; // skip "nr_"
| ~~~~~~~~~~~ ^ ~~~
>> drivers/staging/gpib/tnt4882/tnt4882_gpib.c:242:30: warning: bitwise operation between different enumeration types ('enum tnt4882_aux_regs' and 'enum auxi_bits') [-Wenum-enum-conversion]
242 | write_byte(nec_priv, AUXRI | USTD, AUXMR);
| ~~~~~ ^ ~~~~
drivers/staging/gpib/tnt4882/tnt4882_gpib.c:617:28: warning: variable 'imr3_bits' set but not used [-Wunused-but-set-variable]
617 | int isr0_bits, isr3_bits, imr3_bits;
| ^
drivers/staging/gpib/tnt4882/tnt4882_gpib.c:767:15: warning: variable 'retval' set but not used [-Wunused-but-set-variable]
767 | unsigned int retval;
| ^
>> drivers/staging/gpib/tnt4882/tnt4882_gpib.c:1251:30: warning: bitwise operation between different enumeration types ('enum tnt4882_aux_regs' and 'enum auxg_bits') [-Wenum-enum-conversion]
1251 | tnt_priv->auxg_bits = AUXRG | NTNL_BIT;
| ~~~~~ ^ ~~~~~~~~
>> drivers/staging/gpib/tnt4882/tnt4882_gpib.c:1256:45: warning: bitwise operation between different enumeration types ('enum imr0_bits' and 'enum isr0_bits') [-Wenum-enum-conversion]
1256 | tnt_priv->imr0_bits = TNT_IMR0_ALWAYS_BITS | TNT_ATNI_BIT | TNT_IFCIE_BIT;
| ~~~~~~~~~~~~~~~~~~~~ ^ ~~~~~~~~~~~~
12 warnings generated.
Kconfig warnings: (for reference only)
WARNING: unmet direct dependencies detected for GET_FREE_REGION
Depends on [n]: SPARSEMEM [=n]
Selected by [m]:
- RESOURCE_KUNIT_TEST [=m] && RUNTIME_TESTING_MENU [=y] && KUNIT [=m]
vim +/free_dma +465 drivers/staging/gpib/pc2/pc2_gpib.c
0dc1ad1c0051c2 Dave Penkler 2024-09-18 456
0dc1ad1c0051c2 Dave Penkler 2024-09-18 457 void pc2_detach(gpib_board_t *board)
0dc1ad1c0051c2 Dave Penkler 2024-09-18 458 {
0dc1ad1c0051c2 Dave Penkler 2024-09-18 459 struct pc2_priv *pc2_priv = board->private_data;
0dc1ad1c0051c2 Dave Penkler 2024-09-18 460 struct nec7210_priv *nec_priv;
0dc1ad1c0051c2 Dave Penkler 2024-09-18 461
0dc1ad1c0051c2 Dave Penkler 2024-09-18 462 if (pc2_priv) {
0dc1ad1c0051c2 Dave Penkler 2024-09-18 463 nec_priv = &pc2_priv->nec7210_priv;
0dc1ad1c0051c2 Dave Penkler 2024-09-18 464 if (nec_priv->dma_channel)
0dc1ad1c0051c2 Dave Penkler 2024-09-18 @465 free_dma(nec_priv->dma_channel);
0dc1ad1c0051c2 Dave Penkler 2024-09-18 466 gpib_free_pseudo_irq(board);
0dc1ad1c0051c2 Dave Penkler 2024-09-18 467 if (pc2_priv->irq)
0dc1ad1c0051c2 Dave Penkler 2024-09-18 468 free_irq(pc2_priv->irq, board);
0dc1ad1c0051c2 Dave Penkler 2024-09-18 469 if (nec_priv->iobase) {
0dc1ad1c0051c2 Dave Penkler 2024-09-18 470 nec7210_board_reset(nec_priv, board);
0dc1ad1c0051c2 Dave Penkler 2024-09-18 471 release_region((unsigned long)(nec_priv->iobase), pc2_iosize);
0dc1ad1c0051c2 Dave Penkler 2024-09-18 472 }
0dc1ad1c0051c2 Dave Penkler 2024-09-18 473 if (nec_priv->dma_buffer) {
0dc1ad1c0051c2 Dave Penkler 2024-09-18 474 dma_free_coherent(board->dev, nec_priv->dma_buffer_length,
0dc1ad1c0051c2 Dave Penkler 2024-09-18 475 nec_priv->dma_buffer, nec_priv->dma_buffer_addr);
0dc1ad1c0051c2 Dave Penkler 2024-09-18 476 nec_priv->dma_buffer = NULL;
0dc1ad1c0051c2 Dave Penkler 2024-09-18 477 }
0dc1ad1c0051c2 Dave Penkler 2024-09-18 478 }
0dc1ad1c0051c2 Dave Penkler 2024-09-18 479 free_private(board);
0dc1ad1c0051c2 Dave Penkler 2024-09-18 480 }
0dc1ad1c0051c2 Dave Penkler 2024-09-18 481
:::::: The code at line 465 was first introduced by commit
:::::: 0dc1ad1c0051c29eaca6202e08d0d5787d296649 staging: gpib: Add pc2 GPIB driver
:::::: TO: Dave Penkler <dpenkler@gmail.com>
:::::: CC: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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2024-10-12 20:03 [staging:staging-next 88/94] drivers/staging/gpib/pc2/pc2_gpib.c:465:4: error: call to undeclared function 'free_dma'; ISO C99 and later do not support implicit function declarations kernel test robot
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