provider: add the unused paramater tag to the gettable and settable functions

Reviewed-by: Tomas Mraz <tmraz@fedoraproject.org>
(Merged from https://github.com/openssl/openssl/pull/12603)

43 files changed, 73 insertions, 72 deletions

diff --git a/providers/implementations/asymciphers/rsa_enc.c b/providers/implementations/asymciphers/rsa_enc.c
index 2528cd2dc4..817f705b53 100644
--- a/providers/implementations/asymciphers/rsa_enc.c
+++ b/providers/implementations/asymciphers/rsa_enc.c
@@ -382,7 +382,7 @@ static const OSSL_PARAM known_gettable_ctx_params[] = {
     OSSL_PARAM_END
 };
 
-static const OSSL_PARAM *rsa_gettable_ctx_params(void *provctx)
+static const OSSL_PARAM *rsa_gettable_ctx_params(ossl_unused void *provctx)
 {
     return known_gettable_ctx_params;
 }
@@ -526,7 +526,7 @@ static const OSSL_PARAM known_settable_ctx_params[] = {
     OSSL_PARAM_END
 };
 
-static const OSSL_PARAM *rsa_settable_ctx_params(void *provctx)
+static const OSSL_PARAM *rsa_settable_ctx_params(ossl_unused void *provctx)
 {
     return known_settable_ctx_params;
 }
diff --git a/providers/implementations/ciphers/cipher_aes_cbc_hmac_sha.c b/providers/implementations/ciphers/cipher_aes_cbc_hmac_sha.c
index 8f731228d9..ae853b7eb9 100644
--- a/providers/implementations/ciphers/cipher_aes_cbc_hmac_sha.c
+++ b/providers/implementations/ciphers/cipher_aes_cbc_hmac_sha.c
@@ -59,7 +59,7 @@ static const OSSL_PARAM cipher_aes_known_settable_ctx_params[] = {
     OSSL_PARAM_size_t(OSSL_CIPHER_PARAM_KEYLEN, NULL),
     OSSL_PARAM_END
 };
-const OSSL_PARAM *aes_settable_ctx_params(void *provctx)
+const OSSL_PARAM *aes_settable_ctx_params(ossl_unused void *provctx)
 {
     return cipher_aes_known_settable_ctx_params;
 }
@@ -257,7 +257,7 @@ static const OSSL_PARAM cipher_aes_known_gettable_ctx_params[] = {
     OSSL_PARAM_octet_string(OSSL_CIPHER_PARAM_IV_STATE, NULL, 0),
     OSSL_PARAM_END
 };
-const OSSL_PARAM *aes_gettable_ctx_params(void *provctx)
+const OSSL_PARAM *aes_gettable_ctx_params(ossl_unused void *provctx)
 {
     return cipher_aes_known_gettable_ctx_params;
 }
diff --git a/providers/implementations/ciphers/cipher_aes_ocb.c b/providers/implementations/ciphers/cipher_aes_ocb.c
index 7be5c7f5e8..d6190695a2 100644
--- a/providers/implementations/ciphers/cipher_aes_ocb.c
+++ b/providers/implementations/ciphers/cipher_aes_ocb.c
@@ -452,7 +452,7 @@ static const OSSL_PARAM cipher_ocb_known_gettable_ctx_params[] = {
     OSSL_PARAM_octet_string(OSSL_CIPHER_PARAM_AEAD_TAG, NULL, 0),
     OSSL_PARAM_END
 };
-static const OSSL_PARAM *cipher_ocb_gettable_ctx_params(void *provctx)
+static const OSSL_PARAM *cipher_ocb_gettable_ctx_params(ossl_unused void *p_ctx)
 {
     return cipher_ocb_known_gettable_ctx_params;
 }
@@ -463,7 +463,7 @@ static const OSSL_PARAM cipher_ocb_known_settable_ctx_params[] = {
     OSSL_PARAM_octet_string(OSSL_CIPHER_PARAM_AEAD_TAG, NULL, 0),
     OSSL_PARAM_END
 };
-static const OSSL_PARAM *cipher_ocb_settable_ctx_params(void *provctx)
+static const OSSL_PARAM *cipher_ocb_settable_ctx_params(ossl_unused void *p_ctx)
 {
     return cipher_ocb_known_settable_ctx_params;
 }
diff --git a/providers/implementations/ciphers/cipher_aes_siv.c b/providers/implementations/ciphers/cipher_aes_siv.c
index 2432c6a280..b2e07bc228 100644
--- a/providers/implementations/ciphers/cipher_aes_siv.c
+++ b/providers/implementations/ciphers/cipher_aes_siv.c
@@ -166,7 +166,7 @@ static const OSSL_PARAM aes_siv_known_gettable_ctx_params[] = {
     OSSL_PARAM_octet_string(OSSL_CIPHER_PARAM_AEAD_TAG, NULL, 0),
     OSSL_PARAM_END
 };
-static const OSSL_PARAM *aes_siv_gettable_ctx_params(void *provctx)
+static const OSSL_PARAM *aes_siv_gettable_ctx_params(ossl_unused void *provctx)
 {
     return aes_siv_known_gettable_ctx_params;
 }
@@ -216,7 +216,7 @@ static const OSSL_PARAM aes_siv_known_settable_ctx_params[] = {
     OSSL_PARAM_octet_string(OSSL_CIPHER_PARAM_AEAD_TAG, NULL, 0),
     OSSL_PARAM_END
 };
-static const OSSL_PARAM *aes_siv_settable_ctx_params(void *provctx)
+static const OSSL_PARAM *aes_siv_settable_ctx_params(ossl_unused void *provctx)
 {
     return aes_siv_known_settable_ctx_params;
 }
diff --git a/providers/implementations/ciphers/cipher_aes_xts.c b/providers/implementations/ciphers/cipher_aes_xts.c
index 5430b6da1b..33d8c7fbb5 100644
--- a/providers/implementations/ciphers/cipher_aes_xts.c
+++ b/providers/implementations/ciphers/cipher_aes_xts.c
@@ -211,7 +211,7 @@ static const OSSL_PARAM aes_xts_known_settable_ctx_params[] = {
     OSSL_PARAM_END
 };
 
-static const OSSL_PARAM *aes_xts_settable_ctx_params(void *provctx)
+static const OSSL_PARAM *aes_xts_settable_ctx_params(ossl_unused void *provctx)
 {
     return aes_xts_known_settable_ctx_params;
 }
diff --git a/providers/implementations/ciphers/cipher_chacha20.c b/providers/implementations/ciphers/cipher_chacha20.c
index 5d5e62870d..4e02ce9493 100644
--- a/providers/implementations/ciphers/cipher_chacha20.c
+++ b/providers/implementations/ciphers/cipher_chacha20.c
@@ -91,7 +91,7 @@ static const OSSL_PARAM chacha20_known_gettable_ctx_params[] = {
     OSSL_PARAM_size_t(OSSL_CIPHER_PARAM_IVLEN, NULL),
     OSSL_PARAM_END
 };
-const OSSL_PARAM *chacha20_gettable_ctx_params(void *provctx)
+const OSSL_PARAM *chacha20_gettable_ctx_params(ossl_unused void *provctx)
 {
     return chacha20_known_gettable_ctx_params;
 }
@@ -131,7 +131,7 @@ static const OSSL_PARAM chacha20_known_settable_ctx_params[] = {
     OSSL_PARAM_size_t(OSSL_CIPHER_PARAM_IVLEN, NULL),
     OSSL_PARAM_END
 };
-const OSSL_PARAM *chacha20_settable_ctx_params(void *provctx)
+const OSSL_PARAM *chacha20_settable_ctx_params(ossl_unused void *provctx)
 {
     return chacha20_known_settable_ctx_params;
 }
diff --git a/providers/implementations/ciphers/cipher_chacha20_poly1305.c b/providers/implementations/ciphers/cipher_chacha20_poly1305.c
index 0174337c81..90ff4ce1f5 100644
--- a/providers/implementations/ciphers/cipher_chacha20_poly1305.c
+++ b/providers/implementations/ciphers/cipher_chacha20_poly1305.c
@@ -135,7 +135,8 @@ static const OSSL_PARAM chacha20_poly1305_known_gettable_ctx_params[] = {
     OSSL_PARAM_size_t(OSSL_CIPHER_PARAM_AEAD_TLS1_AAD_PAD, NULL),
     OSSL_PARAM_END
 };
-static const OSSL_PARAM *chacha20_poly1305_gettable_ctx_params(void *provctx)
+static const OSSL_PARAM *chacha20_poly1305_gettable_ctx_params
+    (ossl_unused void *provctx)
 {
     return chacha20_poly1305_known_gettable_ctx_params;
 }
diff --git a/providers/implementations/ciphers/cipher_null.c b/providers/implementations/ciphers/cipher_null.c
index c524a83f4a..3cf64c2271 100644
--- a/providers/implementations/ciphers/cipher_null.c
+++ b/providers/implementations/ciphers/cipher_null.c
@@ -95,7 +95,7 @@ static const OSSL_PARAM null_known_gettable_ctx_params[] = {
 };
 
 static OSSL_FUNC_cipher_gettable_ctx_params_fn null_gettable_ctx_params;
-static const OSSL_PARAM *null_gettable_ctx_params(void *provctx)
+static const OSSL_PARAM *null_gettable_ctx_params(ossl_unused void *provctx)
 {
     return null_known_gettable_ctx_params;
 }
@@ -131,7 +131,7 @@ static const OSSL_PARAM null_known_settable_ctx_params[] = {
 };
 
 static OSSL_FUNC_cipher_settable_ctx_params_fn null_settable_ctx_params;
-static const OSSL_PARAM *null_settable_ctx_params(void *provctx)
+static const OSSL_PARAM *null_settable_ctx_params(ossl_unused void *provctx)
 {
     return null_known_settable_ctx_params;
 }
diff --git a/providers/implementations/ciphers/cipher_rc4_hmac_md5.c b/providers/implementations/ciphers/cipher_rc4_hmac_md5.c
index e17584a0ab..736857ec13 100644
--- a/providers/implementations/ciphers/cipher_rc4_hmac_md5.c
+++ b/providers/implementations/ciphers/cipher_rc4_hmac_md5.c
@@ -72,7 +72,7 @@ static const OSSL_PARAM rc4_hmac_md5_known_gettable_ctx_params[] = {
     OSSL_PARAM_size_t(OSSL_CIPHER_PARAM_AEAD_TLS1_AAD_PAD, NULL),
     OSSL_PARAM_END
 };
-const OSSL_PARAM *rc4_hmac_md5_gettable_ctx_params(void *provctx)
+const OSSL_PARAM *rc4_hmac_md5_gettable_ctx_params(ossl_unused void *provctx)
 {
     return rc4_hmac_md5_known_gettable_ctx_params;
 }
@@ -107,7 +107,7 @@ static const OSSL_PARAM rc4_hmac_md5_known_settable_ctx_params[] = {
     OSSL_PARAM_octet_string(OSSL_CIPHER_PARAM_AEAD_TLS1_AAD, NULL, 0),
     OSSL_PARAM_END
 };
-const OSSL_PARAM *rc4_hmac_md5_settable_ctx_params(void *provctx)
+const OSSL_PARAM *rc4_hmac_md5_settable_ctx_params(ossl_unused void *provctx)
 {
     return rc4_hmac_md5_known_settable_ctx_params;
 }
diff --git a/providers/implementations/ciphers/ciphercommon.c b/providers/implementations/ciphers/ciphercommon.c
index a5de18ab3b..b49f27f29d 100644
--- a/providers/implementations/ciphers/ciphercommon.c
+++ b/providers/implementations/ciphers/ciphercommon.c
@@ -118,7 +118,7 @@ static const OSSL_PARAM cipher_aead_known_gettable_ctx_params[] = {
     OSSL_PARAM_octet_string(OSSL_CIPHER_PARAM_AEAD_TLS1_GET_IV_GEN, NULL, 0),
     OSSL_PARAM_END
 };
-const OSSL_PARAM *cipher_aead_gettable_ctx_params(void *provctx)
+const OSSL_PARAM *cipher_aead_gettable_ctx_params(ossl_unused void *provctx)
 {
     return cipher_aead_known_gettable_ctx_params;
 }
@@ -131,7 +131,7 @@ static const OSSL_PARAM cipher_aead_known_settable_ctx_params[] = {
     OSSL_PARAM_octet_string(OSSL_CIPHER_PARAM_AEAD_TLS1_SET_IV_INV, NULL, 0),
     OSSL_PARAM_END
 };
-const OSSL_PARAM *cipher_aead_settable_ctx_params(void *provctx)
+const OSSL_PARAM *cipher_aead_settable_ctx_params(ossl_unused void *provctx)
 {
     return cipher_aead_known_settable_ctx_params;
 }
diff --git a/providers/implementations/digests/md5_sha1_prov.c b/providers/implementations/digests/md5_sha1_prov.c
index 632fb4a8d0..a65cbbd55c 100644
--- a/providers/implementations/digests/md5_sha1_prov.c
+++ b/providers/implementations/digests/md5_sha1_prov.c
@@ -30,7 +30,7 @@ static const OSSL_PARAM known_md5_sha1_settable_ctx_params[] = {
     OSSL_PARAM_END
 };
 
-static const OSSL_PARAM *md5_sha1_settable_ctx_params(void *provctx)
+static const OSSL_PARAM *md5_sha1_settable_ctx_params(ossl_unused void *provctx)
 {
     return known_md5_sha1_settable_ctx_params;
 }
diff --git a/providers/implementations/digests/mdc2_prov.c b/providers/implementations/digests/mdc2_prov.c
index b1d3b5c0ff..613be655bc 100644
--- a/providers/implementations/digests/mdc2_prov.c
+++ b/providers/implementations/digests/mdc2_prov.c
@@ -30,7 +30,7 @@ static const OSSL_PARAM known_mdc2_settable_ctx_params[] = {
     OSSL_PARAM_END
 };
 
-static const OSSL_PARAM *mdc2_settable_ctx_params(void *provctx)
+static const OSSL_PARAM *mdc2_settable_ctx_params(ossl_unused void *provctx)
 {
     return known_mdc2_settable_ctx_params;
 }
diff --git a/providers/implementations/digests/sha2_prov.c b/providers/implementations/digests/sha2_prov.c
index 94ec269728..fe2f82dc48 100644
--- a/providers/implementations/digests/sha2_prov.c
+++ b/providers/implementations/digests/sha2_prov.c
@@ -31,7 +31,7 @@ static const OSSL_PARAM known_sha1_settable_ctx_params[] = {
     {OSSL_DIGEST_PARAM_SSL3_MS, OSSL_PARAM_OCTET_STRING, NULL, 0, 0},
     OSSL_PARAM_END
 };
-static const OSSL_PARAM *sha1_settable_ctx_params(void *provctx)
+static const OSSL_PARAM *sha1_settable_ctx_params(ossl_unused void *provctx)
 {
     return known_sha1_settable_ctx_params;
 }
diff --git a/providers/implementations/digests/sha3_prov.c b/providers/implementations/digests/sha3_prov.c
index 0703dbe9e0..8cd9c95ab9 100644
--- a/providers/implementations/digests/sha3_prov.c
+++ b/providers/implementations/digests/sha3_prov.c
@@ -250,7 +250,7 @@ static const OSSL_PARAM known_shake_settable_ctx_params[] = {
     {OSSL_DIGEST_PARAM_XOFLEN, OSSL_PARAM_UNSIGNED_INTEGER, NULL, 0, 0},
     OSSL_PARAM_END
 };
-static const OSSL_PARAM *shake_settable_ctx_params(void *provctx)
+static const OSSL_PARAM *shake_settable_ctx_params(ossl_unused void *provctx)
 {
     return known_shake_settable_ctx_params;
 }
diff --git a/providers/implementations/exchange/ecdh_exch.c b/providers/implementations/exchange/ecdh_exch.c
index a93f67b0b5..88f9c7c9bf 100644
--- a/providers/implementations/exchange/ecdh_exch.c
+++ b/providers/implementations/exchange/ecdh_exch.c
@@ -279,7 +279,7 @@ static const OSSL_PARAM known_settable_ctx_params[] = {
 };
 
 static
-const OSSL_PARAM *ecdh_settable_ctx_params(void *provctx)
+const OSSL_PARAM *ecdh_settable_ctx_params(ossl_unused void *provctx)
 {
     return known_settable_ctx_params;
 }
@@ -360,7 +360,7 @@ static const OSSL_PARAM known_gettable_ctx_params[] = {
 };
 
 static
-const OSSL_PARAM *ecdh_gettable_ctx_params(void *provctx)
+const OSSL_PARAM *ecdh_gettable_ctx_params(ossl_unused void *provctx)
 {
     return known_gettable_ctx_params;
 }
diff --git a/providers/implementations/kdfs/hkdf.c b/providers/implementations/kdfs/hkdf.c
index fa1e1bcad0..32c0fdabef 100644
--- a/providers/implementations/kdfs/hkdf.c
+++ b/providers/implementations/kdfs/hkdf.c
@@ -225,7 +225,7 @@ static int kdf_hkdf_set_ctx_params(void *vctx, const OSSL_PARAM params[])
     return 1;
 }
 
-static const OSSL_PARAM *kdf_hkdf_settable_ctx_params(void *provctx)
+static const OSSL_PARAM *kdf_hkdf_settable_ctx_params(ossl_unused void *provctx)
 {
     static const OSSL_PARAM known_settable_ctx_params[] = {
         OSSL_PARAM_utf8_string(OSSL_KDF_PARAM_MODE, NULL, 0),
@@ -250,7 +250,7 @@ static int kdf_hkdf_get_ctx_params(void *vctx, OSSL_PARAM params[])
     return -2;
 }
 
-static const OSSL_PARAM *kdf_hkdf_gettable_ctx_params(void *provctx)
+static const OSSL_PARAM *kdf_hkdf_gettable_ctx_params(ossl_unused void *provctx)
 {
     static const OSSL_PARAM known_gettable_ctx_params[] = {
         OSSL_PARAM_size_t(OSSL_KDF_PARAM_SIZE, NULL),
diff --git a/providers/implementations/kdfs/kbkdf.c b/providers/implementations/kdfs/kbkdf.c
index 2801f25a7f..f3122ac1bd 100644
--- a/providers/implementations/kdfs/kbkdf.c
+++ b/providers/implementations/kdfs/kbkdf.c
@@ -298,7 +298,7 @@ static int kbkdf_set_ctx_params(void *vctx, const OSSL_PARAM params[])
     return 1;
 }
 
-static const OSSL_PARAM *kbkdf_settable_ctx_params(void *provctx)
+static const OSSL_PARAM *kbkdf_settable_ctx_params(ossl_unused void *provctx)
 {
     static const OSSL_PARAM known_settable_ctx_params[] = {
         OSSL_PARAM_octet_string(OSSL_KDF_PARAM_INFO, NULL, 0),
@@ -328,7 +328,7 @@ static int kbkdf_get_ctx_params(void *vctx, OSSL_PARAM params[])
     return OSSL_PARAM_set_size_t(p, SIZE_MAX);
 }
 
-static const OSSL_PARAM *kbkdf_gettable_ctx_params(void *provctx)
+static const OSSL_PARAM *kbkdf_gettable_ctx_params(ossl_unused void *provctx)
 {
     static const OSSL_PARAM known_gettable_ctx_params[] =
         { OSSL_PARAM_size_t(OSSL_KDF_PARAM_SIZE, NULL), OSSL_PARAM_END };
diff --git a/providers/implementations/kdfs/krb5kdf.c b/providers/implementations/kdfs/krb5kdf.c
index 052c3b33d3..9a4cf57bc2 100644
--- a/providers/implementations/kdfs/krb5kdf.c
+++ b/providers/implementations/kdfs/krb5kdf.c
@@ -140,7 +140,7 @@ static int krb5kdf_set_ctx_params(void *vctx, const OSSL_PARAM params[])
     return 1;
 }
 
-static const OSSL_PARAM *krb5kdf_settable_ctx_params(void *provctx)
+static const OSSL_PARAM *krb5kdf_settable_ctx_params(ossl_unused void *provctx)
 {
     static const OSSL_PARAM known_settable_ctx_params[] = {
         OSSL_PARAM_utf8_string(OSSL_KDF_PARAM_PROPERTIES, NULL, 0),
@@ -170,7 +170,7 @@ static int krb5kdf_get_ctx_params(void *vctx, OSSL_PARAM params[])
     return -2;
 }
 
-static const OSSL_PARAM *krb5kdf_gettable_ctx_params(void *provctx)
+static const OSSL_PARAM *krb5kdf_gettable_ctx_params(ossl_unused void *provctx)
 {
     static const OSSL_PARAM known_gettable_ctx_params[] = {
         OSSL_PARAM_size_t(OSSL_KDF_PARAM_SIZE, NULL),
diff --git a/providers/implementations/kdfs/pbkdf2.c b/providers/implementations/kdfs/pbkdf2.c
index 1bacfc8ab5..a71758169a 100644
--- a/providers/implementations/kdfs/pbkdf2.c
+++ b/providers/implementations/kdfs/pbkdf2.c
@@ -200,7 +200,7 @@ static int kdf_pbkdf2_set_ctx_params(void *vctx, const OSSL_PARAM params[])
     return 1;
 }
 
-static const OSSL_PARAM *kdf_pbkdf2_settable_ctx_params(void *provctx)
+static const OSSL_PARAM *kdf_pbkdf2_settable_ctx_params(ossl_unused void *p_ctx)
 {
     static const OSSL_PARAM known_settable_ctx_params[] = {
         OSSL_PARAM_utf8_string(OSSL_KDF_PARAM_PROPERTIES, NULL, 0),
@@ -223,7 +223,7 @@ static int kdf_pbkdf2_get_ctx_params(void *vctx, OSSL_PARAM params[])
     return -2;
 }
 
-static const OSSL_PARAM *kdf_pbkdf2_gettable_ctx_params(void *provctx)
+static const OSSL_PARAM *kdf_pbkdf2_gettable_ctx_params(ossl_unused void *p_ctx)
 {
     static const OSSL_PARAM known_gettable_ctx_params[] = {
         OSSL_PARAM_size_t(OSSL_KDF_PARAM_SIZE, NULL),
diff --git a/providers/implementations/kdfs/scrypt.c b/providers/implementations/kdfs/scrypt.c
index 5650d1cd5e..76b0a58e1f 100644
--- a/providers/implementations/kdfs/scrypt.c
+++ b/providers/implementations/kdfs/scrypt.c
@@ -194,7 +194,7 @@ static int kdf_scrypt_set_ctx_params(void *vctx, const OSSL_PARAM params[])
     return 1;
 }
 
-static const OSSL_PARAM *kdf_scrypt_settable_ctx_params(void *provctx)
+static const OSSL_PARAM *kdf_scrypt_settable_ctx_params(ossl_unused void *p_ctx)
 {
     static const OSSL_PARAM known_settable_ctx_params[] = {
         OSSL_PARAM_octet_string(OSSL_KDF_PARAM_PASSWORD, NULL, 0),
@@ -217,7 +217,7 @@ static int kdf_scrypt_get_ctx_params(void *vctx, OSSL_PARAM params[])
     return -2;
 }
 
-static const OSSL_PARAM *kdf_scrypt_gettable_ctx_params(void *provctx)
+static const OSSL_PARAM *kdf_scrypt_gettable_ctx_params(ossl_unused void *p_ctx)
 {
     static const OSSL_PARAM known_gettable_ctx_params[] = {
         OSSL_PARAM_size_t(OSSL_KDF_PARAM_SIZE, NULL),
diff --git a/providers/implementations/kdfs/sshkdf.c b/providers/implementations/kdfs/sshkdf.c
index 4fe3e4467f..84338e1a1f 100644
--- a/providers/implementations/kdfs/sshkdf.c
+++ b/providers/implementations/kdfs/sshkdf.c
@@ -160,7 +160,7 @@ static int kdf_sshkdf_set_ctx_params(void *vctx, const OSSL_PARAM params[])
     return 1;
 }
 
-static const OSSL_PARAM *kdf_sshkdf_settable_ctx_params(void *provctx)
+static const OSSL_PARAM *kdf_sshkdf_settable_ctx_params(ossl_unused void *p_ctx)
 {
     static const OSSL_PARAM known_settable_ctx_params[] = {
         OSSL_PARAM_utf8_string(OSSL_KDF_PARAM_PROPERTIES, NULL, 0),
@@ -183,7 +183,7 @@ static int kdf_sshkdf_get_ctx_params(void *vctx, OSSL_PARAM params[])
     return -2;
 }
 
-static const OSSL_PARAM *kdf_sshkdf_gettable_ctx_params(void *provctx)
+static const OSSL_PARAM *kdf_sshkdf_gettable_ctx_params(ossl_unused void *p_ctx)
 {
     static const OSSL_PARAM known_gettable_ctx_params[] = {
         OSSL_PARAM_size_t(OSSL_KDF_PARAM_SIZE, NULL),
diff --git a/providers/implementations/kdfs/sskdf.c b/providers/implementations/kdfs/sskdf.c
index 5415c72f4f..bad372cc5e 100644
--- a/providers/implementations/kdfs/sskdf.c
+++ b/providers/implementations/kdfs/sskdf.c
@@ -478,7 +478,7 @@ static int sskdf_set_ctx_params(void *vctx, const OSSL_PARAM params[])
     return 1;
 }
 
-static const OSSL_PARAM *sskdf_settable_ctx_params(void *provctx)
+static const OSSL_PARAM *sskdf_settable_ctx_params(ossl_unused void *provctx)
 {
     static const OSSL_PARAM known_settable_ctx_params[] = {
         OSSL_PARAM_octet_string(OSSL_KDF_PARAM_SECRET, NULL, 0),
@@ -504,7 +504,7 @@ static int sskdf_get_ctx_params(void *vctx, OSSL_PARAM params[])
     return -2;
 }
 
-static const OSSL_PARAM *sskdf_gettable_ctx_params(void *provctx)
+static const OSSL_PARAM *sskdf_gettable_ctx_params(ossl_unused void *provctx)
 {
     static const OSSL_PARAM known_gettable_ctx_params[] = {
         OSSL_PARAM_size_t(OSSL_KDF_PARAM_SIZE, NULL),
diff --git a/providers/implementations/kdfs/tls1_prf.c b/providers/implementations/kdfs/tls1_prf.c
index 46a1253ee8..191041db5b 100644
--- a/providers/implementations/kdfs/tls1_prf.c
+++ b/providers/implementations/kdfs/tls1_prf.c
@@ -200,7 +200,7 @@ static int kdf_tls1_prf_set_ctx_params(void *vctx, const OSSL_PARAM params[])
     return 1;
 }
 
-static const OSSL_PARAM *kdf_tls1_prf_settable_ctx_params(void *provctx)
+static const OSSL_PARAM *kdf_tls1_prf_settable_ctx_params(ossl_unused void *ctx)
 {
     static const OSSL_PARAM known_settable_ctx_params[] = {
         OSSL_PARAM_utf8_string(OSSL_KDF_PARAM_PROPERTIES, NULL, 0),
@@ -221,7 +221,7 @@ static int kdf_tls1_prf_get_ctx_params(void *vctx, OSSL_PARAM params[])
     return -2;
 }
 
-static const OSSL_PARAM *kdf_tls1_prf_gettable_ctx_params(void *provctx)
+static const OSSL_PARAM *kdf_tls1_prf_gettable_ctx_params(ossl_unused void *ctx)
 {
     static const OSSL_PARAM known_gettable_ctx_params[] = {
         OSSL_PARAM_size_t(OSSL_KDF_PARAM_SIZE, NULL),
diff --git a/providers/implementations/kdfs/x942kdf.c b/providers/implementations/kdfs/x942kdf.c
index 9790700bf0..3ca87cddc2 100644
--- a/providers/implementations/kdfs/x942kdf.c
+++ b/providers/implementations/kdfs/x942kdf.c
@@ -402,7 +402,7 @@ static int x942kdf_set_ctx_params(void *vctx, const OSSL_PARAM params[])
     return 1;
 }
 
-static const OSSL_PARAM *x942kdf_settable_ctx_params(void *provctx)
+static const OSSL_PARAM *x942kdf_settable_ctx_params(ossl_unused void *provctx)
 {
     static const OSSL_PARAM known_settable_ctx_params[] = {
         OSSL_PARAM_utf8_string(OSSL_KDF_PARAM_PROPERTIES, NULL, 0),
@@ -426,7 +426,7 @@ static int x942kdf_get_ctx_params(void *vctx, OSSL_PARAM params[])
     return -2;
 }
 
-static const OSSL_PARAM *x942kdf_gettable_ctx_params(void *provctx)
+static const OSSL_PARAM *x942kdf_gettable_ctx_params(ossl_unused void *provctx)
 {
     static const OSSL_PARAM known_gettable_ctx_params[] = {
         OSSL_PARAM_size_t(OSSL_KDF_PARAM_SIZE, NULL),
diff --git a/providers/implementations/macs/blake2_mac_impl.c b/providers/implementations/macs/blake2_mac_impl.c
index d4e61e44a4..b567369f58 100644
--- a/providers/implementations/macs/blake2_mac_impl.c
+++ b/providers/implementations/macs/blake2_mac_impl.c
@@ -109,7 +109,7 @@ static const OSSL_PARAM known_gettable_ctx_params[] = {
     OSSL_PARAM_size_t(OSSL_MAC_PARAM_SIZE, NULL),
     OSSL_PARAM_END
 };
-static const OSSL_PARAM *blake2_gettable_ctx_params(void *provctx)
+static const OSSL_PARAM *blake2_gettable_ctx_params(ossl_unused void *provctx)
 {
     return known_gettable_ctx_params;
 }
@@ -131,7 +131,7 @@ static const OSSL_PARAM known_settable_ctx_params[] = {
     OSSL_PARAM_octet_string(OSSL_MAC_PARAM_SALT, NULL, 0),
     OSSL_PARAM_END
 };
-static const OSSL_PARAM *blake2_mac_settable_ctx_params(void *provctx)
+static const OSSL_PARAM *blake2_mac_settable_ctx_params(ossl_unused void *p_ctx)
 {
     return known_settable_ctx_params;
 }
diff --git a/providers/implementations/macs/cmac_prov.c b/providers/implementations/macs/cmac_prov.c
index c0203