[PATCH v2 10/25] evm: Align evm_inode_post_setxattr() definition with LSM infrastructure

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From: Roberto Sassu <roberto.sassu@xxxxxxxxxx>

Change evm_inode_post_setxattr() definition, so that it can be registered
as implementation of the inode_post_setxattr hook.

Signed-off-by: Roberto Sassu <roberto.sassu@xxxxxxxxxx>
Reviewed-by: Stefan Berger <stefanb@xxxxxxxxxxxxx>
---
 include/linux/evm.h               | 8 +++++---
 security/integrity/evm/evm_main.c | 4 +++-
 security/security.c               | 2 +-
 3 files changed, 9 insertions(+), 5 deletions(-)

diff --git a/include/linux/evm.h b/include/linux/evm.h
index bed63ed7bde9..642e52483adc 100644
--- a/include/linux/evm.h
+++ b/include/linux/evm.h
@@ -31,7 +31,8 @@ extern int evm_inode_setxattr(struct mnt_idmap *idmap,
 extern void evm_inode_post_setxattr(struct dentry *dentry,
 				    const char *xattr_name,
 				    const void *xattr_value,
-				    size_t xattr_value_len);
+				    size_t xattr_value_len,
+				    int flags);
 extern int evm_inode_removexattr(struct mnt_idmap *idmap,
 				 struct dentry *dentry, const char *xattr_name);
 extern void evm_inode_post_removexattr(struct dentry *dentry,
@@ -55,7 +56,7 @@ static inline void evm_inode_post_set_acl(struct dentry *dentry,
 					  const char *acl_name,
 					  struct posix_acl *kacl)
 {
-	return evm_inode_post_setxattr(dentry, acl_name, NULL, 0);
+	return evm_inode_post_setxattr(dentry, acl_name, NULL, 0, 0);
 }
 
 int evm_inode_init_security(struct inode *inode, struct inode *dir,
@@ -114,7 +115,8 @@ static inline int evm_inode_setxattr(struct mnt_idmap *idmap,
 static inline void evm_inode_post_setxattr(struct dentry *dentry,
 					   const char *xattr_name,
 					   const void *xattr_value,
-					   size_t xattr_value_len)
+					   size_t xattr_value_len,
+					   int flags)
 {
 	return;
 }
diff --git a/security/integrity/evm/evm_main.c b/security/integrity/evm/evm_main.c
index 779ec35fb39f..2e8f6d1c9984 100644
--- a/security/integrity/evm/evm_main.c
+++ b/security/integrity/evm/evm_main.c
@@ -731,6 +731,7 @@ bool evm_revalidate_status(const char *xattr_name)
  * @xattr_name: pointer to the affected extended attribute name
  * @xattr_value: pointer to the new extended attribute value
  * @xattr_value_len: pointer to the new extended attribute value length
+ * @flags: flags to pass into filesystem operations
  *
  * Update the HMAC stored in 'security.evm' to reflect the change.
  *
@@ -739,7 +740,8 @@ bool evm_revalidate_status(const char *xattr_name)
  * i_mutex lock.
  */
 void evm_inode_post_setxattr(struct dentry *dentry, const char *xattr_name,
-			     const void *xattr_value, size_t xattr_value_len)
+			     const void *xattr_value, size_t xattr_value_len,
+			     int flags)
 {
 	if (!evm_revalidate_status(xattr_name))
 		return;
diff --git a/security/security.c b/security/security.c
index 743fd0f58698..cb6242feb968 100644
--- a/security/security.c
+++ b/security/security.c
@@ -2269,7 +2269,7 @@ void security_inode_post_setxattr(struct dentry *dentry, const char *name,
 	if (unlikely(IS_PRIVATE(d_backing_inode(dentry))))
 		return;
 	call_void_hook(inode_post_setxattr, dentry, name, value, size, flags);
-	evm_inode_post_setxattr(dentry, name, value, size);
+	evm_inode_post_setxattr(dentry, name, value, size, flags);
 }
 
 /**
-- 
2.34.1




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