linux-kernel - [PATCH v1] security/apparmor: remove duplicate unpacking in unpack

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Message-Id: <20240821072238.3028-1-shenlichuan@vivo.com>
Date: Wed, 21 Aug 2024 15:22:38 +0800
From: Shen Lichuan <shenlichuan@...o.com>
To: John Johansen <john.johansen@...onical.com>,
	Paul Moore <paul@...l-moore.com>,
	James Morris <jmorris@...ei.org>,
	"Serge E. Hallyn" <serge@...lyn.com>,
	apparmor@...ts.ubuntu.com,
	linux-security-module@...r.kernel.org,
	linux-kernel@...r.kernel.org
Cc: opensource.kernel@...o.com,
	Shen Lichuan <shenlichuan@...o.com>
Subject: [PATCH v1] security/apparmor: remove duplicate unpacking in unpack_perm function

The code was unpacking the 'allow' parameter twice.
This change removes the duplicate part.

Signed-off-by: Shen Lichuan <shenlichuan@...o.com>
---
 security/apparmor/policy_unpack.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/security/apparmor/policy_unpack.c b/security/apparmor/policy_unpack.c
index 5a570235427d..4ec1e1251012 100644
--- a/security/apparmor/policy_unpack.c
+++ b/security/apparmor/policy_unpack.c
@@ -649,7 +649,6 @@ static bool unpack_perm(struct aa_ext *e, u32 version, struct aa_perms *perm)
 		return false;
 
 	return	aa_unpack_u32(e, &perm->allow, NULL) &&
-		aa_unpack_u32(e, &perm->allow, NULL) &&
 		aa_unpack_u32(e, &perm->deny, NULL) &&
 		aa_unpack_u32(e, &perm->subtree, NULL) &&
 		aa_unpack_u32(e, &perm->cond, NULL) &&
-- 
2.17.1