[PATCH 1/8] Do not call 'ima_path_check()' for each path component

From: Linus Torvalds
Date: Mon Sep 07 2009 - 17:03:26 EST

From: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
Date: Fri, 28 Aug 2009 10:05:33 -0700

Not only is that a supremely timing-critical path, but it's hopefully some
day going to be lockless for the common case, and ima can't do that.

Plus the integrity code doesn't even care about non-regular files,
so it was always a total waste of time and effort.

Signed-off-by: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
fs/namei.c | 3 ---
1 files changed, 0 insertions(+), 3 deletions(-)

diff --git a/fs/namei.c b/fs/namei.c
index f3c5b27..164aa15 100644
--- a/fs/namei.c
+++ b/fs/namei.c
@@ -856,9 +856,6 @@ static int __link_path_walk(const char *name, struct nameidata *nd)
if (err == -EAGAIN)
err = inode_permission(nd->path.dentry->d_inode,
- if (!err)
- err = ima_path_check(&nd->path, MAY_EXEC,
if (err)


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