linux-kernel - [RFC][PATCH 4/4] smack: modified file->f_security assignment in smack_file_alloc

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Message-Id: <201011221657.57672.roberto.sassu@polito.it>
Date:	Mon, 22 Nov 2010 16:57:57 +0100
From:	Roberto Sassu <roberto.sassu@...ito.it>
To:	Alexander Viro <viro@...iv.linux.org.uk>
Cc:	Stephen Smalley <sds@...ho.nsa.gov>,
	James Morris <jmorris@...ei.org>,
	Eric Paris <eparis@...isplace.org>,
	Casey Schaufler <casey@...aufler-ca.com>,
	Paul Moore <paul.moore@...com>, linux-fsdevel@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	linux-security-module@...r.kernel.org, selinux@...ho.nsa.gov
Subject: [RFC][PATCH 4/4] smack: modified file->f_security assignment in smack_file_alloc_security()

The 'f_security' field of the file descriptor structure is initialized
using the credentials set in the 'f_cred' field of the same structure.

Signed-off-by: Roberto Sassu <roberto.sassu@...ito.it>
---
 security/smack/smack_lsm.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/security/smack/smack_lsm.c b/security/smack/smack_lsm.c
index 489a85a..6d4fe6e 100644
--- a/security/smack/smack_lsm.c
+++ b/security/smack/smack_lsm.c
@@ -895,7 +895,7 @@ static int smack_file_permission(struct file *file, int mask)
  */
 static int smack_file_alloc_security(struct file *file)
 {
-	file->f_security = current_security();
+	file->f_security = file->f_cred->security;
 	return 0;
 }
 
-- 
1.7.2.3


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