lib/crypto/blake2s-selftest.c:566:13: warning: no previous prototype for 'blake2s_selftest'

From: kernel test robot
Date: Fri Nov 13 2020 - 03:03:05 EST


tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 585e5b17b92dead8a3aca4e3c9876fbca5f7e0ba
commit: 66d7fb94e4ffe5acc589e0b2b4710aecc1f07a28 crypto: blake2s - generic C library implementation and selftest
date: 12 months ago
config: parisc-randconfig-r003-20201113 (attached as .config)
compiler: hppa-linux-gcc (GCC) 9.3.0
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
# https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=66d7fb94e4ffe5acc589e0b2b4710aecc1f07a28
git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git fetch --no-tags linus master
git checkout 66d7fb94e4ffe5acc589e0b2b4710aecc1f07a28
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=parisc

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@xxxxxxxxx>

All warnings (new ones prefixed by >>):

>> lib/crypto/blake2s-selftest.c:566:13: warning: no previous prototype for 'blake2s_selftest' [-Wmissing-prototypes]
566 | bool __init blake2s_selftest(void)
| ^~~~~~~~~~~~~~~~

vim +/blake2s_selftest +566 lib/crypto/blake2s-selftest.c

565
> 566 bool __init blake2s_selftest(void)

---
0-DAY CI Kernel Test Service, Intel Corporation
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Attachment: .config.gz
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