[PATCH v1 1/1] s390/crypto: Generate intermediate CV for API partial block handling

The API partial block handling requires a intermediate chaining
value (CV). The internal function hash_data() sets the function code
correctly, so also call cpacf_kimd() instruction for intermediate CV
generation, as cpacf_klmd() always generate the final hash value.

Cc: [email protected] # 6.15+
Fixes: 08811169ac01 ("crypto: s390/hmac - Use API partial block handling")
Signed-off-by: Holger Dengler <[email protected]>
---
 arch/s390/crypto/hmac_s390.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/arch/s390/crypto/hmac_s390.c b/arch/s390/crypto/hmac_s390.c
index f8cd09f341d4..445fa7bbd958 100644
--- a/arch/s390/crypto/hmac_s390.c
+++ b/arch/s390/crypto/hmac_s390.c
@@ -150,7 +150,10 @@ static int hash_data(const u8 *in, unsigned int inlen,
 
 #undef PARAM_INIT
 
-	cpacf_klmd(func, &param, in, inlen);
+	if (final)
+		cpacf_klmd(func, &param, in, inlen);
+	else
+		cpacf_kimd(func, &param, in, inlen);
 
 	memcpy(digest, &param, digestsize);
 
-- 
2.55.0