new helper: audit_file()

... for situations when we don't have any candidate in pathnames - basically,
in descriptor-based syscalls.

[Folded the build fix for !CONFIG_AUDITSYSCALL configs from Chen Gang]

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

1 files changed, 9 insertions, 0 deletions

diff --git a/include/linux/audit.h b/include/linux/audit.h
index e58fe7df8b9c..0c04917c2f12 100644
--- a/include/linux/audit.h
+++ b/include/linux/audit.h
@@ -130,6 +130,7 @@ extern void audit_putname(struct filename *name);
 #define AUDIT_INODE_HIDDEN      2       /* audit record should be hidden */
 extern void __audit_inode(struct filename *name, const struct dentry *dentry,
                                 unsigned int flags);
+extern void __audit_file(const struct file *);
 extern void __audit_inode_child(const struct inode *parent,
                                 const struct dentry *dentry,
                                 const unsigned char type);
@@ -183,6 +184,11 @@ static inline void audit_inode(struct filename *name,
                 __audit_inode(name, dentry, flags);
         }
 }
+static inline void audit_file(struct file *file)
+{
+        if (unlikely(!audit_dummy_context()))
+                __audit_file(file);
+}
 static inline void audit_inode_parent_hidden(struct filename *name,
                                                 const struct dentry *dentry)
 {
@@ -357,6 +363,9 @@ static inline void audit_inode(struct filename *name,
                                 const struct dentry *dentry,
                                 unsigned int parent)
 { }
+static inline void audit_file(struct file *file)
+{
+}
 static inline void audit_inode_parent_hidden(struct filename *name,
                                 const struct dentry *dentry)
 { }