fs: remove audit dummy context check

Now that we audit later during lookup_open() we can remove the audit
dummy context check. This simplifies things a lot.

Signed-off-by: Christian Brauner <brauner@kernel.org>

diff --git a/fs/namei.c b/fs/namei.c
index 08eb9a53beb7881c90851910888a8a416ec03386..96c79dec718496ff1d5a5fb36d8060f7632eafd9 100644 (file)
--- a/fs/namei.c
+++ b/fs/namei.c
@@ -3624,16 +3624,6 @@ static struct dentry *lookup_fast_for_open(struct nameidata *nd, int open_flag)
                /* Don't bother on an O_EXCL create */
                if (open_flag & O_EXCL)
                        return NULL;
-
-               /*
-                * FIXME: If auditing is enabled, then we'll have to unlazy to
-                * use the dentry. For now, don't do this, since it shifts
-                * contention from parent's i_rwsem to its d_lockref spinlock.
-                * Reconsider this once dentry refcounting handles heavy
-                * contention better.
-                */
-               if ((nd->flags & LOOKUP_RCU) && !audit_dummy_context())
-                       return NULL;
        }
 
        if (trailing_slashes(nd))
@@ -3687,7 +3677,7 @@ static const char *open_last_lookups(struct nameidata *nd,
                        bool unlazied;
 
                        /* can stay in rcuwalk if not auditing */
-                       if (dentry && audit_dummy_context())
+                       if (dentry)
                                goto finish_lookup;
                        unlazied = dentry ? try_to_unlazy_next(nd, dentry) :
                                            try_to_unlazy(nd);