Messages in this thread | | | Date | Wed, 10 Apr 2024 18:35:01 +0300 | Subject | Re: tinyconfig: kernel/time/timekeeping.c:286:1: error: no return statement in function returning non-void [-Werror=return-type] | From | Adrian Hunter <> |
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On 10/04/24 16:03, Adrian Hunter wrote: > On 10/04/24 13:56, Naresh Kamboju wrote: >> The powerpc,s390, superSh and sparc tinyconfig builds failed due to >> following build >> warnings / errors on the Linux next-20240410 with gcc-13 and gcc-11. >> >> List build failures: >> --- >> * s390, build >> - gcc-13-tinyconfig - failed >> - gcc-8-tinyconfig - failed >> >> * sh, build >> - gcc-11-tinyconfig - failed >> >> * sparc, build >> - gcc-11-tinyconfig - failed >> >> * mips, build >> - gcc-12-tinyconfig - failed >> - gcc-8-tinyconfig - failed >> >> * powerpc, build >> - gcc-13-tinyconfig - failed >> - gcc-8-tinyconfig - failed >> >> Reported-by: Linux Kernel Functional Testing <lkft@linaro.org> >> >> Build log: >> -------- >> kernel/time/timekeeping.c: In function 'timekeeping_debug_get_ns': >> kernel/time/timekeeping.c:286:1: error: no return statement in >> function returning non-void [-Werror=return-type] >> 286 | } >> | ^ >> cc1: some warnings being treated as errors > > Using unreachable() in the default BUG() seems to make this go > away. > > diff --git a/include/asm-generic/bug.h b/include/asm-generic/bug.h > index 6e794420bd39..891bd9b0be70 100644 > --- a/include/asm-generic/bug.h > +++ b/include/asm-generic/bug.h > @@ -156,7 +156,7 @@ extern __printf(1, 2) void __warn_printk(const char *fmt, ...); > > #else /* !CONFIG_BUG */ > #ifndef HAVE_ARCH_BUG > -#define BUG() do {} while (1) > +#define BUG() do { do {} while (1) ; unreachable(); } while (0) > #endif > > #ifndef HAVE_ARCH_BUG_ON >
Patch here:
https://lore.kernel.org/all/20240410153212.127477-1-adrian.hunter@intel.com/
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