Messages in this thread | | | Date | Fri, 3 Feb 2017 06:20:56 +0800 | From | kbuild test robot <> | Subject | [tip:WIP.sched/core 61/63] sound/oss/dmasound/dmasound_core.c:635:4: error: implicit declaration of function 'signal_pending' |
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tree: https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git WIP.sched/core head: 7f79b5e3727bae36481c9bc5587291d88742291f commit: 851f7523d850c32dc63b04cacf3a447e1b08e1e9 [61/63] sched/headers: Move signal wakeup & sigpending methods from <linux/sched.h> into <linux/sched/signal.h> config: m68k-multi_defconfig (attached as .config) compiler: m68k-linux-gcc (GCC) 4.9.0 reproduce: wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross git checkout 851f7523d850c32dc63b04cacf3a447e1b08e1e9 # save the attached .config to linux build tree make.cross ARCH=m68k
All errors (new ones prefixed by >>):
sound/oss/dmasound/dmasound_core.c: In function 'sq_write': >> sound/oss/dmasound/dmasound_core.c:635:4: error: implicit declaration of function 'signal_pending' [-Werror=implicit-function-declaration] if (signal_pending(current)) { ^ cc1: some warnings being treated as errors -- /kbuild/src/m68k/sound/oss/dmasound/dmasound_core.c: In function 'sq_write': >> /kbuild/src/m68k/sound/oss/dmasound/dmasound_core.c:635:4: error: implicit declaration of function 'signal_pending' [-Werror=implicit-function-declaration] if (signal_pending(current)) { ^ cc1: some warnings being treated as errors
vim +/signal_pending +635 sound/oss/dmasound/dmasound_core.c
^1da177e Linus Torvalds 2005-04-16 629 return uWritten > 0 ? uWritten : -EAGAIN; 1a1e0a80 Arnd Bergmann 2014-01-02 630 } 1a1e0a80 Arnd Bergmann 2014-01-02 631 if (write_sq.count < write_sq.max_active) 1a1e0a80 Arnd Bergmann 2014-01-02 632 break; 1a1e0a80 Arnd Bergmann 2014-01-02 633 1a1e0a80 Arnd Bergmann 2014-01-02 634 schedule_timeout(HZ); 1a1e0a80 Arnd Bergmann 2014-01-02 @635 if (signal_pending(current)) { 1a1e0a80 Arnd Bergmann 2014-01-02 636 finish_wait(&write_sq.action_queue, &wait); ^1da177e Linus Torvalds 2005-04-16 637 return uWritten > 0 ? uWritten : -EINTR; ^1da177e Linus Torvalds 2005-04-16 638 }
:::::: The code at line 635 was first introduced by commit :::::: 1a1e0a80ceb766852e8abd5d4c3d9475611a7d85 sound: oss: dmasound: kill SLEEP() macro to avoid race
:::::: TO: Arnd Bergmann <arnd@arndb.de> :::::: CC: Takashi Iwai <tiwai@suse.de>
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