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

Commit Message

Nayna Jain March 4, 2022, 5:54 p.m. UTC

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

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

Patch

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