On Sun, Jun 25, 2023 at 9:11 PM Steve French <smfrench@xxxxxxxxx> wrote: > > Updated Shyam's patch to address this and a sparse warning and a > checkpatch warning > > > On Sun, Jun 25, 2023 at 2:14 AM kernel test robot <lkp@xxxxxxxxx> wrote: > > > > tree: git://git.samba.org/sfrench/cifs-2.6.git for-next > > head: d75e841ced93ce9cd86dc46b8a9453241dcbc61b > > commit: 33bc5dec2b4fd8d00fed51183615d91badf607d6 [13/14] cifs: display the endpoint IP details in DebugData > > config: hexagon-randconfig-r045-20230625 (https://download.01.org/0day-ci/archive/20230625/202306251539.R34e3RXd-lkp@xxxxxxxxx/config) > > compiler: clang version 17.0.0 (https://github.com/llvm/llvm-project.git 4a5ac14ee968ff0ad5d2cc1ffa0299048db4c88a) > > reproduce: (https://download.01.org/0day-ci/archive/20230625/202306251539.R34e3RXd-lkp@xxxxxxxxx/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@xxxxxxxxx> > > | Closes: https://lore.kernel.org/oe-kbuild-all/202306251539.R34e3RXd-lkp@xxxxxxxxx/ > > > > All warnings (new ones prefixed by >>): > > > > In file included from fs/smb/client/cifs_debug.c:15: > > 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:17: > > In file included from include/linux/bvec.h:10: > > In file included from include/linux/highmem.h:12: > > 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:334: > > include/asm-generic/io.h:547:31: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] > > 547 | 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] > > 560 | 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 fs/smb/client/cifs_debug.c:15: > > 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:17: > > In file included from include/linux/bvec.h:10: > > In file included from include/linux/highmem.h:12: > > 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:334: > > include/asm-generic/io.h:573:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] > > 573 | 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 fs/smb/client/cifs_debug.c:15: > > 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:17: > > In file included from include/linux/bvec.h:10: > > In file included from include/linux/highmem.h:12: > > 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:334: > > include/asm-generic/io.h:584:33: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] > > 584 | __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] > > 594 | __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] > > 604 | __raw_writel((u32 __force)cpu_to_le32(value), PCI_IOBASE + addr); > > | ~~~~~~~~~~ ^ > > >> fs/smb/client/cifs_debug.c:167:1: warning: label at end of compound statement is a C2x extension [-Wc2x-extensions] > > 167 | } > > | ^ > > 7 warnings generated. > > > > > > vim +167 fs/smb/client/cifs_debug.c > > > > 33bc5dec2b4fd8 fs/smb/client/cifs_debug.c Shyam Prasad N 2023-06-09 166 > > 85150929a15b4e fs/cifs/cifs_debug.c Aurelien Aptel 2019-11-20 @167 } > > 85150929a15b4e fs/cifs/cifs_debug.c Aurelien Aptel 2019-11-20 168 > > > > :::::: The code at line 167 was first introduced by commit > > :::::: 85150929a15b4e0a225434d5970bba14ebdf31f1 cifs: dump channel info in DebugData > > > > :::::: TO: Aurelien Aptel <aaptel@xxxxxxxx> > > :::::: CC: Steve French <stfrench@xxxxxxxxxxxxx> > > > > -- > > 0-DAY CI Kernel Test Service > > https://github.com/intel/lkp-tests/wiki > > > > -- > Thanks, > > Steve Thanks Steve. The changes look good to me. -- Regards, Shyam