[PATCH v9 2/3] integrity: make integrity_keyring_from_id() non-static

From: Nayna Jain
Date: Fri Mar 04 2022 - 12:54:42 EST


Make integrity_keyring_from_id() non-static so that it is accessible
by other files in security/integrity.

Reviewed-by: Mimi Zohar <zohar@xxxxxxxxxxxxx>
Signed-off-by: Nayna Jain <nayna@xxxxxxxxxxxxx>
---
security/integrity/digsig.c | 2 +-
security/integrity/integrity.h | 6 ++++++
2 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/security/integrity/digsig.c b/security/integrity/digsig.c
index c8c8a4a4e7a0..9c3165c07935 100644
--- a/security/integrity/digsig.c
+++ b/security/integrity/digsig.c
@@ -39,7 +39,7 @@ static const char * const keyring_name[INTEGRITY_KEYRING_MAX] = {
#define restrict_link_to_ima restrict_link_by_builtin_trusted
#endif

-static struct key *integrity_keyring_from_id(const unsigned int id)
+struct key *integrity_keyring_from_id(const unsigned int id)
{
if (id >= INTEGRITY_KEYRING_MAX)
return ERR_PTR(-EINVAL);
diff --git a/security/integrity/integrity.h b/security/integrity/integrity.h
index 2e214c761158..76e9a9515f99 100644
--- a/security/integrity/integrity.h
+++ b/security/integrity/integrity.h
@@ -168,6 +168,7 @@ int __init integrity_init_keyring(const unsigned int id);
int __init integrity_load_x509(const unsigned int id, const char *path);
int __init integrity_load_cert(const unsigned int id, const char *source,
const void *data, size_t len, key_perm_t perm);
+struct key *integrity_keyring_from_id(const unsigned int id);
#else

static inline int integrity_digsig_verify(const unsigned int id,
@@ -195,6 +196,11 @@ static inline int __init integrity_load_cert(const unsigned int id,
{
return 0;
}
+
+static inline struct key *integrity_keyring_from_id(const unsigned int id)
+{
+ return ERR_PTR(-EOPNOTSUPP);
+}
#endif /* CONFIG_INTEGRITY_SIGNATURE */

#ifdef CONFIG_INTEGRITY_ASYMMETRIC_KEYS
--
2.27.0