Hi Samuel, First bad commit (maybe != root cause):
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: e71ba9452f0b5b2e8dc8aa5445198cd9214a6a62 commit: 2067fd92d75b6d9085a43caf050bca5d88c491b8 staging/speakup: Move out of staging date: 5 months ago config: riscv-randconfig-r034-20210105 (attached as .config) compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project 98cd1c33e3c2c3cfee36fb0fea3285fda06224d3) 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/torvalds/linux.git/commit/?id=2067fd92d75b6d9085a43caf050bca5d88c491b8 git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout 2067fd92d75b6d9085a43caf050bca5d88c491b8 # 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 <[email protected]> All warnings (new ones prefixed by >>): In file included from drivers/accessibility/speakup/speakup_keypc.c:17: In file included from drivers/accessibility/speakup/spk_priv.h:16: In file included from drivers/accessibility/speakup/spk_types.h:17: In file included from include/linux/io.h:13: In file included from arch/riscv/include/asm/io.h:148: include/asm-generic/io.h:556:9: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] return inb(addr); ^~~~~~~~~ arch/riscv/include/asm/io.h:54:76: note: expanded from macro 'inb' #define inb(c) ({ u8 __v; __io_pbr(); __v = readb_cpu((void*)(PCI_IOBASE + (c))); __io_par(__v); __v; }) ~~~~~~~~~~ ^ arch/riscv/include/asm/mmio.h:93:48: note: expanded from macro 'readb_cpu' #define readb_cpu(c) ({ u8 __r = __raw_readb(c); __r; }) ^ In file included from drivers/accessibility/speakup/speakup_keypc.c:17: In file included from drivers/accessibility/speakup/spk_priv.h:16: In file included from drivers/accessibility/speakup/spk_types.h:17: In file included from include/linux/io.h:13: In file included from arch/riscv/include/asm/io.h:148: include/asm-generic/io.h:564:9: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] return inw(addr); ^~~~~~~~~ arch/riscv/include/asm/io.h:55:76: note: expanded from macro 'inw' #define inw(c) ({ u16 __v; __io_pbr(); __v = readw_cpu((void*)(PCI_IOBASE + (c))); __io_par(__v); __v; }) ~~~~~~~~~~ ^ arch/riscv/include/asm/mmio.h:94:76: note: expanded from macro 'readw_cpu' #define readw_cpu(c) ({ u16 __r = le16_to_cpu((__force __le16)__raw_readw(c)); __r; }) ^ 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/accessibility/speakup/speakup_keypc.c:17: In file included from drivers/accessibility/speakup/spk_priv.h:16: In file included from drivers/accessibility/speakup/spk_types.h:17: In file included from include/linux/io.h:13: In file included from arch/riscv/include/asm/io.h:148: include/asm-generic/io.h:572:9: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] return inl(addr); ^~~~~~~~~ arch/riscv/include/asm/io.h:56:76: note: expanded from macro 'inl' #define inl(c) ({ u32 __v; __io_pbr(); __v = readl_cpu((void*)(PCI_IOBASE + (c))); __io_par(__v); __v; }) ~~~~~~~~~~ ^ arch/riscv/include/asm/mmio.h:95:76: note: expanded from macro 'readl_cpu' #define readl_cpu(c) ({ u32 __r = le32_to_cpu((__force __le32)__raw_readl(c)); __r; }) ^ 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/accessibility/speakup/speakup_keypc.c:17: In file included from drivers/accessibility/speakup/spk_priv.h:16: In file included from drivers/accessibility/speakup/spk_types.h:17: In file included from include/linux/io.h:13: In file included from arch/riscv/include/asm/io.h:148: include/asm-generic/io.h:580:2: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] outb(value, addr); ^~~~~~~~~~~~~~~~~ arch/riscv/include/asm/io.h:58:68: note: expanded from macro 'outb' #define outb(v,c) ({ __io_pbw(); writeb_cpu((v),(void*)(PCI_IOBASE + (c))); __io_paw(); }) ~~~~~~~~~~ ^ arch/riscv/include/asm/mmio.h:97:52: note: expanded from macro 'writeb_cpu' #define writeb_cpu(v, c) ((void)__raw_writeb((v), (c))) ^ In file included from drivers/accessibility/speakup/speakup_keypc.c:17: In file included from drivers/accessibility/speakup/spk_priv.h:16: In file included from drivers/accessibility/speakup/spk_types.h:17: In file included from include/linux/io.h:13: In file included from arch/riscv/include/asm/io.h:148: include/asm-generic/io.h:588:2: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] outw(value, addr); ^~~~~~~~~~~~~~~~~ arch/riscv/include/asm/io.h:59:68: note: expanded from macro 'outw' #define outw(v,c) ({ __io_pbw(); writew_cpu((v),(void*)(PCI_IOBASE + (c))); __io_paw(); }) ~~~~~~~~~~ ^ arch/riscv/include/asm/mmio.h:98:76: note: expanded from macro 'writew_cpu' #define writew_cpu(v, c) ((void)__raw_writew((__force u16)cpu_to_le16(v), (c))) ^ In file included from drivers/accessibility/speakup/speakup_keypc.c:17: In file included from drivers/accessibility/speakup/spk_priv.h:16: In file included from drivers/accessibility/speakup/spk_types.h:17: In file included from include/linux/io.h:13: In file included from arch/riscv/include/asm/io.h:148: include/asm-generic/io.h:596:2: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] outl(value, addr); ^~~~~~~~~~~~~~~~~ arch/riscv/include/asm/io.h:60:68: note: expanded from macro 'outl' #define outl(v,c) ({ __io_pbw(); writel_cpu((v),(void*)(PCI_IOBASE + (c))); __io_paw(); }) ~~~~~~~~~~ ^ arch/riscv/include/asm/mmio.h:99:76: note: expanded from macro 'writel_cpu' #define writel_cpu(v, c) ((void)__raw_writel((__force u32)cpu_to_le32(v), (c))) ^ In file included from drivers/accessibility/speakup/speakup_keypc.c:17: In file included from drivers/accessibility/speakup/spk_priv.h:16: In file included from drivers/accessibility/speakup/spk_types.h:17: In file included from include/linux/io.h:13: In file included from arch/riscv/include/asm/io.h:148: include/asm-generic/io.h:1017:55: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] return (port > MMIO_UPPER_LIMIT) ? NULL : PCI_IOBASE + port; ~~~~~~~~~~ ^ >> drivers/accessibility/speakup/speakup_keypc.c:268:14: warning: performing >> pointer arithmetic on a null pointer has undefined behavior >> [-Wnull-pointer-arithmetic] port_val = inb(synth_port); ^~~~~~~~~~~~~~~ arch/riscv/include/asm/io.h:54:76: note: expanded from macro 'inb' #define inb(c) ({ u8 __v; __io_pbr(); __v = readb_cpu((void*)(PCI_IOBASE + (c))); __io_par(__v); __v; }) ~~~~~~~~~~ ^ arch/riscv/include/asm/mmio.h:93:48: note: expanded from macro 'readb_cpu' #define readb_cpu(c) ({ u8 __r = __raw_readb(c); __r; }) ^ drivers/accessibility/speakup/speakup_keypc.c:278:15: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] port_val = inb(synth_portlist[i]); ^~~~~~~~~~~~~~~~~~~~~~ arch/riscv/include/asm/io.h:54:76: note: expanded from macro 'inb' #define inb(c) ({ u8 __v; __io_pbr(); __v = readb_cpu((void*)(PCI_IOBASE + (c))); __io_par(__v); __v; }) ~~~~~~~~~~ ^ arch/riscv/include/asm/mmio.h:93:48: note: expanded from macro 'readb_cpu' #define readb_cpu(c) ({ u8 __r = __raw_readb(c); __r; }) ^ 9 warnings generated. /tmp/speakup_keypc-d80cd4.s: Assembler messages: /tmp/speakup_keypc-d80cd4.s:109: Error: unrecognized opcode `zext.b a2,a1' /tmp/speakup_keypc-d80cd4.s:233: Error: unrecognized opcode `zext.b a0,a0' /tmp/speakup_keypc-d80cd4.s:392: Error: unrecognized opcode `zext.b a3,a1' /tmp/speakup_keypc-d80cd4.s:879: Error: unrecognized opcode `zext.b a2,s1' /tmp/speakup_keypc-d80cd4.s:906: Error: unrecognized opcode `zext.b s1,a0' /tmp/speakup_keypc-d80cd4.s:1292: Error: unrecognized opcode `zext.b a1,a1' /tmp/speakup_keypc-d80cd4.s:1293: Error: unrecognized opcode `zext.b a2,a2' /tmp/speakup_keypc-d80cd4.s:1294: Error: unrecognized opcode `zext.b a3,a3' /tmp/speakup_keypc-d80cd4.s:1295: Error: unrecognized opcode `zext.b a4,a0' clang-12: error: assembler command failed with exit code 1 (use -v to see invocation) -- In file included from include/linux/hardirq.h:10: In file included from ./arch/riscv/include/generated/asm/hardirq.h:1: In file included from include/asm-generic/hardirq.h:13: 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:148: include/asm-generic/io.h:564:9: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] return inw(addr); ^~~~~~~~~ arch/riscv/include/asm/io.h:55:76: note: expanded from macro 'inw' #define inw(c) ({ u16 __v; __io_pbr(); __v = readw_cpu((void*)(PCI_IOBASE + (c))); __io_par(__v); __v; }) ~~~~~~~~~~ ^ arch/riscv/include/asm/mmio.h:94:76: note: expanded from macro 'readw_cpu' #define readw_cpu(c) ({ u16 __r = le16_to_cpu((__force __le16)__raw_readw(c)); __r; }) ^ 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/accessibility/speakup/serialio.c:2: In file included from include/linux/interrupt.h:11: In file included from include/linux/hardirq.h:10: In file included from ./arch/riscv/include/generated/asm/hardirq.h:1: In file included from include/asm-generic/hardirq.h:13: 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:148: include/asm-generic/io.h:572:9: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] return inl(addr); ^~~~~~~~~ arch/riscv/include/asm/io.h:56:76: note: expanded from macro 'inl' #define inl(c) ({ u32 __v; __io_pbr(); __v = readl_cpu((void*)(PCI_IOBASE + (c))); __io_par(__v); __v; }) ~~~~~~~~~~ ^ arch/riscv/include/asm/mmio.h:95:76: note: expanded from macro 'readl_cpu' #define readl_cpu(c) ({ u32 __r = le32_to_cpu((__force __le32)__raw_readl(c)); __r; }) ^ 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/accessibility/speakup/serialio.c:2: In file included from include/linux/interrupt.h:11: In file included from include/linux/hardirq.h:10: In file included from ./arch/riscv/include/generated/asm/hardirq.h:1: In file included from include/asm-generic/hardirq.h:13: 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:148: include/asm-generic/io.h:580:2: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] outb(value, addr); ^~~~~~~~~~~~~~~~~ arch/riscv/include/asm/io.h:58:68: note: expanded from macro 'outb' #define outb(v,c) ({ __io_pbw(); writeb_cpu((v),(void*)(PCI_IOBASE + (c))); __io_paw(); }) ~~~~~~~~~~ ^ arch/riscv/include/asm/mmio.h:97:52: note: expanded from macro 'writeb_cpu' #define writeb_cpu(v, c) ((void)__raw_writeb((v), (c))) ^ In file included from drivers/accessibility/speakup/serialio.c:2: In file included from include/linux/interrupt.h:11: In file included from include/linux/hardirq.h:10: In file included from ./arch/riscv/include/generated/asm/hardirq.h:1: In file included from include/asm-generic/hardirq.h:13: 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:148: include/asm-generic/io.h:588:2: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] outw(value, addr); ^~~~~~~~~~~~~~~~~ arch/riscv/include/asm/io.h:59:68: note: expanded from macro 'outw' #define outw(v,c) ({ __io_pbw(); writew_cpu((v),(void*)(PCI_IOBASE + (c))); __io_paw(); }) ~~~~~~~~~~ ^ arch/riscv/include/asm/mmio.h:98:76: note: expanded from macro 'writew_cpu' #define writew_cpu(v, c) ((void)__raw_writew((__force u16)cpu_to_le16(v), (c))) ^ In file included from drivers/accessibility/speakup/serialio.c:2: In file included from include/linux/interrupt.h:11: In file included from include/linux/hardirq.h:10: In file included from ./arch/riscv/include/generated/asm/hardirq.h:1: In file included from include/asm-generic/hardirq.h:13: 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:148: include/asm-generic/io.h:596:2: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] outl(value, addr); ^~~~~~~~~~~~~~~~~ arch/riscv/include/asm/io.h:60:68: note: expanded from macro 'outl' #define outl(v,c) ({ __io_pbw(); writel_cpu((v),(void*)(PCI_IOBASE + (c))); __io_paw(); }) ~~~~~~~~~~ ^ arch/riscv/include/asm/mmio.h:99:76: note: expanded from macro 'writel_cpu' #define writel_cpu(v, c) ((void)__raw_writel((__force u32)cpu_to_le32(v), (c))) ^ In file included from drivers/accessibility/speakup/serialio.c:2: In file included from include/linux/interrupt.h:11: In file included from include/linux/hardirq.h:10: In file included from ./arch/riscv/include/generated/asm/hardirq.h:1: In file included from include/asm-generic/hardirq.h:13: 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:148: include/asm-generic/io.h:1017:55: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] return (port > MMIO_UPPER_LIMIT) ? NULL : PCI_IOBASE + port; ~~~~~~~~~~ ^ >> drivers/accessibility/speakup/serialio.c:87:2: warning: performing pointer >> arithmetic on a null pointer has undefined behavior >> [-Wnull-pointer-arithmetic] outb(cval | UART_LCR_DLAB, ser->port + UART_LCR); /* set DLAB */ ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ arch/riscv/include/asm/io.h:58:68: note: expanded from macro 'outb' #define outb(v,c) ({ __io_pbw(); writeb_cpu((v),(void*)(PCI_IOBASE + (c))); __io_paw(); }) ~~~~~~~~~~ ^ arch/riscv/include/asm/mmio.h:97:52: note: expanded from macro 'writeb_cpu' #define writeb_cpu(v, c) ((void)__raw_writeb((v), (c))) ^ drivers/accessibility/speakup/serialio.c:88:2: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] outb(quot & 0xff, ser->port + UART_DLL); /* LS of divisor */ ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ arch/riscv/include/asm/io.h:58:68: note: expanded from macro 'outb' #define outb(v,c) ({ __io_pbw(); writeb_cpu((v),(void*)(PCI_IOBASE + (c))); __io_paw(); }) ~~~~~~~~~~ ^ arch/riscv/include/asm/mmio.h:97:52: note: expanded from macro 'writeb_cpu' #define writeb_cpu(v, c) ((void)__raw_writeb((v), (c))) ^ drivers/accessibility/speakup/serialio.c:89:2: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] outb(quot >> 8, ser->port + UART_DLM); /* MS of divisor */ ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ arch/riscv/include/asm/io.h:58:68: note: expanded from macro 'outb' #define outb(v,c) ({ __io_pbw(); writeb_cpu((v),(void*)(PCI_IOBASE + (c))); __io_paw(); }) ~~~~~~~~~~ ^ arch/riscv/include/asm/mmio.h:97:52: note: expanded from macro 'writeb_cpu' #define writeb_cpu(v, c) ((void)__raw_writeb((v), (c))) ^ drivers/accessibility/speakup/serialio.c:90:2: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] outb(cval, ser->port + UART_LCR); /* reset DLAB */ ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ arch/riscv/include/asm/io.h:58:68: note: expanded from macro 'outb' #define outb(v,c) ({ __io_pbw(); writeb_cpu((v),(void*)(PCI_IOBASE + (c))); __io_paw(); }) ~~~~~~~~~~ ^ arch/riscv/include/asm/mmio.h:97:52: note: expanded from macro 'writeb_cpu' #define writeb_cpu(v, c) ((void)__raw_writeb((v), (c))) ^ drivers/accessibility/speakup/serialio.c:93:2: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] outb(0, ser->port + UART_IER); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ arch/riscv/include/asm/io.h:58:68: note: expanded from macro 'outb' #define outb(v,c) ({ __io_pbw(); writeb_cpu((v),(void*)(PCI_IOBASE + (c))); __io_paw(); }) ~~~~~~~~~~ ^ arch/riscv/include/asm/mmio.h:97:52: note: expanded from macro 'writeb_cpu' #define writeb_cpu(v, c) ((void)__raw_writeb((v), (c))) ^ drivers/accessibility/speakup/serialio.c:94:2: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] outb(UART_MCR_DTR | UART_MCR_RTS, ser->port + UART_MCR); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ arch/riscv/include/asm/io.h:58:68: note: expanded from macro 'outb' #define outb(v,c) ({ __io_pbw(); writeb_cpu((v),(void*)(PCI_IOBASE + (c))); __io_paw(); }) ~~~~~~~~~~ ^ arch/riscv/include/asm/mmio.h:97:52: note: expanded from macro 'writeb_cpu' #define writeb_cpu(v, c) ((void)__raw_writeb((v), (c))) ^ drivers/accessibility/speakup/serialio.c:97:6: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] if (inb(ser->port + UART_LSR) == 0xff) { ^~~~~~~~~~~~~~~~~~~~~~~~~ arch/riscv/include/asm/io.h:54:76: note: expanded from macro 'inb' #define inb(c) ({ u8 __v; __io_pbr(); __v = readb_cpu((void*)(PCI_IOBASE + (c))); __io_par(__v); __v; }) ~~~~~~~~~~ ^ arch/riscv/include/asm/mmio.h:93:48: note: expanded from macro 'readb_cpu' #define readb_cpu(c) ({ u8 __r = __raw_readb(c); __r; }) ^ include/linux/compiler.h:56:47: note: expanded from macro 'if' #define if(cond, ...) if ( __trace_if_var( !!(cond , ## __VA_ARGS__) ) ) ^~~~ include/linux/compiler.h:58:52: note: expanded from macro '__trace_if_var' #define __trace_if_var(cond) (__builtin_constant_p(cond) ? (cond) : __trace_if_value(cond)) ^~~~ drivers/accessibility/speakup/serialio.c:97:6: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] if (inb(ser->port + UART_LSR) == 0xff) { ^~~~~~~~~~~~~~~~~~~~~~~~~ arch/riscv/include/asm/io.h:54:76: note: expanded from macro 'inb' #define inb(c) ({ u8 __v; __io_pbr(); __v = readb_cpu((void*)(PCI_IOBASE + (c))); __io_par(__v); __v; }) ~~~~~~~~~~ ^ arch/riscv/include/asm/mmio.h:93:48: note: expanded from macro 'readb_cpu' #define readb_cpu(c) ({ u8 __r = __raw_readb(c); __r; }) ^ include/linux/compiler.h:56:47: note: expanded from macro 'if' #define if(cond, ...) if ( __trace_if_var( !!(cond , ## __VA_ARGS__) ) ) ^~~~ include/linux/compiler.h:58:61: note: expanded from macro '__trace_if_var' #define __trace_if_var(cond) (__builtin_constant_p(cond) ? (cond) : __trace_if_value(cond)) ^~~~ drivers/accessibility/speakup/serialio.c:97:6: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] if (inb(ser->port + UART_LSR) == 0xff) { ^~~~~~~~~~~~~~~~~~~~~~~~~ arch/riscv/include/asm/io.h:54:76: note: expanded from macro 'inb' #define inb(c) ({ u8 __v; __io_pbr(); __v = readb_cpu((void*)(PCI_IOBASE + (c))); __io_par(__v); __v; }) ~~~~~~~~~~ ^ arch/riscv/include/asm/mmio.h:93:48: note: expanded from macro 'readb_cpu' #define readb_cpu(c) ({ u8 __r = __raw_readb(c); __r; }) ^ include/linux/compiler.h:56:47: note: expanded from macro 'if' #define if(cond, ...) if ( __trace_if_var( !!(cond , ## __VA_ARGS__) ) ) ^~~~ include/linux/compiler.h:58:86: note: expanded from macro '__trace_if_var' #define __trace_if_var(cond) (__builtin_constant_p(cond) ? (cond) : __trace_if_value(cond)) ^~~~ include/linux/compiler.h:69:3: note: expanded from macro '__trace_if_value' (cond) ? \ .. vim +268 drivers/accessibility/speakup/speakup_keypc.c c6e3fd22cd53836 drivers/staging/speakup/speakup_keypc.c William Hubbs 2010-10-07 253 c6e3fd22cd53836 drivers/staging/speakup/speakup_keypc.c William Hubbs 2010-10-07 254 static int synth_probe(struct spk_synth *synth) c6e3fd22cd53836 drivers/staging/speakup/speakup_keypc.c William Hubbs 2010-10-07 255 { c6e3fd22cd53836 drivers/staging/speakup/speakup_keypc.c William Hubbs 2010-10-07 256 unsigned int port_val = 0; c6e3fd22cd53836 drivers/staging/speakup/speakup_keypc.c William Hubbs 2010-10-07 257 int i = 0; 8e69a8110686572 drivers/staging/speakup/speakup_keypc.c Domagoj Trsan 2014-09-09 258 c6e3fd22cd53836 drivers/staging/speakup/speakup_keypc.c William Hubbs 2010-10-07 259 pr_info("Probing for %s.\n", synth->long_name); c6e3fd22cd53836 drivers/staging/speakup/speakup_keypc.c William Hubbs 2010-10-07 260 if (port_forced) { c6e3fd22cd53836 drivers/staging/speakup/speakup_keypc.c William Hubbs 2010-10-07 261 synth_port = port_forced; c6e3fd22cd53836 drivers/staging/speakup/speakup_keypc.c William Hubbs 2010-10-07 262 pr_info("probe forced to %x by kernel command line\n", c6e3fd22cd53836 drivers/staging/speakup/speakup_keypc.c William Hubbs 2010-10-07 263 synth_port); c6e3fd22cd53836 drivers/staging/speakup/speakup_keypc.c William Hubbs 2010-10-07 264 if (synth_request_region(synth_port - 1, SYNTH_IO_EXTENT)) { c6e3fd22cd53836 drivers/staging/speakup/speakup_keypc.c William Hubbs 2010-10-07 265 pr_warn("sorry, port already reserved\n"); c6e3fd22cd53836 drivers/staging/speakup/speakup_keypc.c William Hubbs 2010-10-07 266 return -EBUSY; c6e3fd22cd53836 drivers/staging/speakup/speakup_keypc.c William Hubbs 2010-10-07 267 } c6e3fd22cd53836 drivers/staging/speakup/speakup_keypc.c William Hubbs 2010-10-07 @268 port_val = inb(synth_port); c6e3fd22cd53836 drivers/staging/speakup/speakup_keypc.c William Hubbs 2010-10-07 269 } else { c6e3fd22cd53836 drivers/staging/speakup/speakup_keypc.c William Hubbs 2010-10-07 270 for (i = 0; synth_portlist[i]; i++) { c6e3fd22cd53836 drivers/staging/speakup/speakup_keypc.c William Hubbs 2010-10-07 271 if (synth_request_region(synth_portlist[i], c6e3fd22cd53836 drivers/staging/speakup/speakup_keypc.c William Hubbs 2010-10-07 272 SYNTH_IO_EXTENT)) { 75d6282d8b2d58b drivers/staging/speakup/speakup_keypc.c Christopher Brannon 2010-10-14 273 pr_warn 75d6282d8b2d58b drivers/staging/speakup/speakup_keypc.c Christopher Brannon 2010-10-14 274 ("request_region: failed with 0x%x, %d\n", c6e3fd22cd53836 drivers/staging/speakup/speakup_keypc.c William Hubbs 2010-10-07 275 synth_portlist[i], SYNTH_IO_EXTENT); c6e3fd22cd53836 drivers/staging/speakup/speakup_keypc.c William Hubbs 2010-10-07 276 continue; c6e3fd22cd53836 drivers/staging/speakup/speakup_keypc.c William Hubbs 2010-10-07 277 } c6e3fd22cd53836 drivers/staging/speakup/speakup_keypc.c William Hubbs 2010-10-07 278 port_val = inb(synth_portlist[i]); c6e3fd22cd53836 drivers/staging/speakup/speakup_keypc.c William Hubbs 2010-10-07 279 if (port_val == 0x80) { c6e3fd22cd53836 drivers/staging/speakup/speakup_keypc.c William Hubbs 2010-10-07 280 synth_port = synth_portlist[i]; c6e3fd22cd53836 drivers/staging/speakup/speakup_keypc.c William Hubbs 2010-10-07 281 break; c6e3fd22cd53836 drivers/staging/speakup/speakup_keypc.c William Hubbs 2010-10-07 282 } c6e3fd22cd53836 drivers/staging/speakup/speakup_keypc.c William Hubbs 2010-10-07 283 } c6e3fd22cd53836 drivers/staging/speakup/speakup_keypc.c William Hubbs 2010-10-07 284 } c6e3fd22cd53836 drivers/staging/speakup/speakup_keypc.c William Hubbs 2010-10-07 285 if (port_val != 0x80) { c6e3fd22cd53836 drivers/staging/speakup/speakup_keypc.c William Hubbs 2010-10-07 286 pr_info("%s: not found\n", synth->long_name); c6e3fd22cd53836 drivers/staging/speakup/speakup_keypc.c William Hubbs 2010-10-07 287 synth_release_region(synth_port, SYNTH_IO_EXTENT); c6e3fd22cd53836 drivers/staging/speakup/speakup_keypc.c William Hubbs 2010-10-07 288 synth_port = 0; c6e3fd22cd53836 drivers/staging/speakup/speakup_keypc.c William Hubbs 2010-10-07 289 return -ENODEV; c6e3fd22cd53836 drivers/staging/speakup/speakup_keypc.c William Hubbs 2010-10-07 290 } c6e3fd22cd53836 drivers/staging/speakup/speakup_keypc.c William Hubbs 2010-10-07 291 pr_info("%s: %03x-%03x, driver version %s,\n", synth->long_name, c6e3fd22cd53836 drivers/staging/speakup/speakup_keypc.c William Hubbs 2010-10-07 292 synth_port, synth_port + SYNTH_IO_EXTENT - 1, c6e3fd22cd53836 drivers/staging/speakup/speakup_keypc.c William Hubbs 2010-10-07 293 synth->version); c6e3fd22cd53836 drivers/staging/speakup/speakup_keypc.c William Hubbs 2010-10-07 294 synth->alive = 1; c6e3fd22cd53836 drivers/staging/speakup/speakup_keypc.c William Hubbs 2010-10-07 295 return 0; c6e3fd22cd53836 drivers/staging/speakup/speakup_keypc.c William Hubbs 2010-10-07 296 } c6e3fd22cd53836 drivers/staging/speakup/speakup_keypc.c William Hubbs 2010-10-07 297 :::::: The code at line 268 was first introduced by commit :::::: c6e3fd22cd538365bfeb82997d5b89562e077d42 Staging: add speakup to the staging directory :::::: TO: William Hubbs <[email protected]> :::::: CC: Greg Kroah-Hartman <[email protected]> --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/[email protected]
.config.gz
Description: application/gzip
