From: Eric Biggers ebiggers@google.com
commit 7d87131fadd53a0401b5c078dd64e58c3ea6994c upstream.
The first three fields of 'struct blake2s_state' are used in assembly code, which isn't immediately obvious, so add a comment to this effect.
Signed-off-by: Eric Biggers ebiggers@google.com Acked-by: Ard Biesheuvel ardb@kernel.org Signed-off-by: Herbert Xu herbert@gondor.apana.org.au Signed-off-by: Jason A. Donenfeld Jason@zx2c4.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- include/crypto/blake2s.h | 1 + 1 file changed, 1 insertion(+)
--- a/include/crypto/blake2s.h +++ b/include/crypto/blake2s.h @@ -24,6 +24,7 @@ enum blake2s_lengths { };
struct blake2s_state { + /* 'h', 't', and 'f' are used in assembly code, so keep them as-is. */ u32 h[8]; u32 t[2]; u32 f[2];