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[v6,1/6] KEYS: Create static version of public_key_verify_signature

Message ID 20230322161634.2233838-2-eric.snowberg@oracle.com (mailing list archive)
State New
Headers show
Series Add CA enforcement keyring restrictions | expand

Commit Message

Eric Snowberg March 22, 2023, 4:16 p.m. UTC 
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>
Reviewed-by: Jarkko Sakkinen <jarkko@kernel.org>
---
 include/crypto/public_key.h | 9 +++++++++
 1 file changed, 9 insertions(+)
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Patch

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 */