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SubjectRe: [PATCH] zlib: Mark get_unaligned16() as __maybe_unused
Hi Matthias,

[auto build test ERROR on linus/master]
[also build test ERROR on v4.12-rc1 next-20170518]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]

url: https://github.com/0day-ci/linux/commits/Matthias-Kaehlcke/zlib-Mark-get_unaligned16-as-__maybe_unused/20170519-083133
config: powerpc-defconfig (attached as .config)
compiler: powerpc64-linux-gnu-gcc (Debian 6.1.1-9) 6.1.1 20160705
reproduce:
wget https://raw.githubusercontent.com/01org/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# save the attached .config to linux build tree
make.cross ARCH=powerpc

All error/warnings (new ones prefixed by >>):

>> arch/powerpc/boot/inffast.c:31:1: error: expected '=', ',', ';', 'asm' or '__attribute__' before 'get_unaligned16'
get_unaligned16(const unsigned short *p)
^~~~~~~~~~~~~~~
arch/powerpc/boot/inffast.c: In function 'inflate_fast':
>> arch/powerpc/boot/inffast.c:48:27: warning: implicit declaration of function 'get_unaligned16' [-Wimplicit-function-declaration]
# define UP_UNALIGNED(a) get_unaligned16(++(a))
^
arch/powerpc/boot/inffast.c:281:20: note: in expansion of macro 'UP_UNALIGNED'
PUP(sout) = UP_UNALIGNED(sfrom);
^~~~~~~~~~~~
--
In file included from ./arch/powerpc/boot/decompress_inflate.c:10:0,
from arch/powerpc/boot/decompress.c:37:
>> ./arch/powerpc/boot/inffast.c:31:1: error: expected '=', ',', ';', 'asm' or '__attribute__' before 'get_unaligned16'
get_unaligned16(const unsigned short *p)
^~~~~~~~~~~~~~~
./arch/powerpc/boot/inffast.c: In function 'inflate_fast':
>> ./arch/powerpc/boot/inffast.c:48:27: warning: implicit declaration of function 'get_unaligned16' [-Wimplicit-function-declaration]
# define UP_UNALIGNED(a) get_unaligned16(++(a))
^
./arch/powerpc/boot/inffast.c:281:20: note: in expansion of macro 'UP_UNALIGNED'
PUP(sout) = UP_UNALIGNED(sfrom);
^~~~~~~~~~~~

---
0-DAY kernel test infrastructure Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all Intel Corporation
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