linux-kernel - [PATCH v5 1/9] audit: remove unnecessary NULL ptr checks from do_path

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Message-Id: <1343301673-10642-2-git-send-email-jlayton@redhat.com>
Date:	Thu, 26 Jul 2012 07:21:05 -0400
From:	Jeff Layton <jlayton@...hat.com>
To:	eparis@...hat.com, viro@...iv.linux.org.uk
Cc:	linux-audit@...hat.com, linux-fsdevel@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH v5 1/9] audit: remove unnecessary NULL ptr checks from do_path_lookup

As best I can tell, whenever retval == 0, nd->path.dentry and nd->inode
are also non-NULL. Eliminate those checks and the superfluous
audit_context check.

Signed-off-by: Eric Paris <eparis@...hat.com>
Signed-off-by: Jeff Layton <jlayton@...hat.com>
---
 fs/namei.c | 8 ++------
 1 file changed, 2 insertions(+), 6 deletions(-)

diff --git a/fs/namei.c b/fs/namei.c
index 0b951d4..f252f36 100644
--- a/fs/namei.c
+++ b/fs/namei.c
@@ -1856,12 +1856,8 @@ static int do_path_lookup(int dfd, const char *name,
 	if (unlikely(retval == -ESTALE))
 		retval = path_lookupat(dfd, name, flags | LOOKUP_REVAL, nd);
 
-	if (likely(!retval)) {
-		if (unlikely(!audit_dummy_context())) {
-			if (nd->path.dentry && nd->inode)
-				audit_inode(name, nd->path.dentry);
-		}
-	}
+	if (likely(!retval))
+		audit_inode(name, nd->path.dentry);
 	return retval;
 }
 
-- 
1.7.11.2

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