From:   Eric Snowberg <eric.snowberg@oracle.com>
To:     jarkko@kernel.org, zohar@linux.ibm.com, dhowells@redhat.com,
        dwmw2@infradead.org
Cc:     herbert@gondor.apana.org.au, davem@davemloft.net,
        dmitry.kasatkin@gmail.com, paul@paul-moore.com, jmorris@namei.org,
        serge@hallyn.com, pvorel@suse.cz, eric.snowberg@oracle.com,
        kanth.ghatraju@oracle.com, konrad.wilk@oracle.com,
        erpalmer@linux.vnet.ibm.com, coxu@redhat.com,
        keyrings@vger.kernel.org, linux-kernel@vger.kernel.org,
        linux-crypto@vger.kernel.org, linux-integrity@vger.kernel.org,
        linux-security-module@vger.kernel.org
Subject: [PATCH v5 1/6] KEYS: Create static version of public_key_verify_signature
Date:   Thu,  2 Mar 2023 11:46:47 -0500
Message-Id: <20230302164652.83571-2-eric.snowberg@oracle.com>
In-Reply-To: <20230302164652.83571-1-eric.snowberg@oracle.com>
References: <20230302164652.83571-1-eric.snowberg@oracle.com>
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The kernel test robot reports undefined reference to
public_key_verify_signature when CONFIG_ASYMMETRIC_PUBLIC_KEY_SUBTYPE is
not defined. Create a static version in this case and return -EINVAL.

Fixes: db6c43bd2132 ("crypto: KEYS: convert public key and digsig asym to the akcipher api")
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Eric Snowberg <eric.snowberg@oracle.com>
Reviewed-by: Mimi Zohar <zohar@linux.ibm.com>
Reviewed-by: Petr Vorel <pvorel@suse.cz>
---
 include/crypto/public_key.h | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/include/crypto/public_key.h b/include/crypto/public_key.h
index 68f7aa2a7e55..6d61695e1cde 100644
--- a/include/crypto/public_key.h
+++ b/include/crypto/public_key.h
@@ -80,7 +80,16 @@ extern int create_signature(struct kernel_pkey_params *, const void *, void *);
 extern int verify_signature(const struct key *,
 			    const struct public_key_signature *);
 
+#if IS_REACHABLE(CONFIG_ASYMMETRIC_PUBLIC_KEY_SUBTYPE)
 int public_key_verify_signature(const struct public_key *pkey,
 				const struct public_key_signature *sig);
+#else
+static inline
+int public_key_verify_signature(const struct public_key *pkey,
+				const struct public_key_signature *sig)
+{
+	return -EINVAL;
+}
+#endif
 
 #endif /* _LINUX_PUBLIC_KEY_H */
-- 
2.27.0