From: Eric Biggers <ebiggers@xxxxxxxxxx>
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@xxxxxxxxxx>
Acked-by: Ard Biesheuvel <ardb@xxxxxxxxxx>
Signed-off-by: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>
Signed-off-by: Jason A. Donenfeld <Jason@xxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
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];
