crypto: lib/blake2s - Move selftest prototype into header file

Commit Message

Herbert Xu Nov. 27, 2020, 5:41 a.m. UTC

On Fri, Nov 13, 2020 at 04:02:28PM +0800, kernel test robot wrote:
> 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 <[e-mail]>
> 
> 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)

---8<---
This patch fixes a missing prototype warning on blake2s_selftest.

Reported-by: kernel test robot <[e-mail]>
Signed-off-by: Herbert Xu <[e-mail]>

Patch

diff --git a/include/crypto/internal/blake2s.h b/include/crypto/internal/blake2s.h
index 74ff77032e52..6e376ae6b6b5 100644
--- a/include/crypto/internal/blake2s.h
+++ b/include/crypto/internal/blake2s.h
@@ -16,6 +16,8 @@  void blake2s_compress_generic(struct blake2s_state *state,const u8 *block,
 void blake2s_compress_arch(struct blake2s_state *state,const u8 *block,
 			   size_t nblocks, const u32 inc);
 
+bool blake2s_selftest(void);
+
 static inline void blake2s_set_lastblock(struct blake2s_state *state)
 {
 	state->f[0] = -1;
diff --git a/lib/crypto/blake2s.c b/lib/crypto/blake2s.c
index 41025a30c524..6a4b6b78d630 100644
--- a/lib/crypto/blake2s.c
+++ b/lib/crypto/blake2s.c
@@ -17,8 +17,6 @@ 
 #include <linux/bug.h>
 #include <asm/unaligned.h>
 
-bool blake2s_selftest(void);
-
 void blake2s_update(struct blake2s_state *state, const u8 *in, size_t inlen)
 {
 	const size_t fill = BLAKE2S_BLOCK_SIZE - state->buflen;