linux-kernel - [PATCH 9/9] integrity: Move integrity_inode

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Date:   Thu, 13 Oct 2022 15:36:54 -0700
From:   Kees Cook <keescook@...omium.org>
To:     Mimi Zohar <zohar@...ux.ibm.com>
Cc:     Kees Cook <keescook@...omium.org>,
        Dmitry Kasatkin <dmitry.kasatkin@...il.com>,
        Paul Moore <paul@...l-moore.com>,
        James Morris <jmorris@...ei.org>,
        "Serge E. Hallyn" <serge@...lyn.com>,
        linux-integrity@...r.kernel.org,
        linux-security-module@...r.kernel.org,
        Mickaël Salaün <mic@...ikod.net>,
        KP Singh <kpsingh@...nel.org>,
        Casey Schaufler <casey@...aufler-ca.com>,
        John Johansen <john.johansen@...onical.com>,
        linux-kernel@...r.kernel.org, linux-hardening@...r.kernel.org
Subject: [PATCH 9/9] integrity: Move integrity_inode_get() out of global header

The function integrity_inode_get() does not need to be shared with the
rest of the kernel, so move it into the internal integrity.h header.

Cc: Mimi Zohar <zohar@...ux.ibm.com>
Cc: Dmitry Kasatkin <dmitry.kasatkin@...il.com>
Cc: Paul Moore <paul@...l-moore.com>
Cc: James Morris <jmorris@...ei.org>
Cc: "Serge E. Hallyn" <serge@...lyn.com>
Cc: linux-integrity@...r.kernel.org
Cc: linux-security-module@...r.kernel.org
Signed-off-by: Kees Cook <keescook@...omium.org>
---
 include/linux/integrity.h      | 11 +----------
 security/integrity/integrity.h |  1 +
 2 files changed, 2 insertions(+), 10 deletions(-)

diff --git a/include/linux/integrity.h b/include/linux/integrity.h
index c86bcf6b866b..4c6fd79b5bf8 100644
--- a/include/linux/integrity.h
+++ b/include/linux/integrity.h
@@ -21,19 +21,10 @@ enum integrity_status {
 
 /* List of EVM protected security xattrs */
 #ifdef CONFIG_INTEGRITY
-extern struct integrity_iint_cache *integrity_inode_get(struct inode *inode);
 extern void __init integrity_load_keys(void);
-
 #else
-static inline struct integrity_iint_cache *
-				integrity_inode_get(struct inode *inode)
-{
-	return NULL;
-}
-
 static inline void integrity_load_keys(void)
-{
-}
+{ }
 #endif /* CONFIG_INTEGRITY */
 
 #endif /* _LINUX_INTEGRITY_H */
diff --git a/security/integrity/integrity.h b/security/integrity/integrity.h
index 93f35b208809..acd904c12f87 100644
--- a/security/integrity/integrity.h
+++ b/security/integrity/integrity.h
@@ -178,6 +178,7 @@ struct integrity_iint_cache {
  * integrity data associated with an inode.
  */
 struct integrity_iint_cache *integrity_iint_find(struct inode *inode);
+struct integrity_iint_cache *integrity_inode_get(struct inode *inode);
 
 int integrity_kernel_read(struct file *file, loff_t offset,
 			  void *addr, unsigned long count);
-- 
2.34.1