linux-kernel - [PATCH 5.4 086/261] selinux: fix error return code in policydb

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Message-Id: <20200619141654.009625482@linuxfoundation.org>
Date:   Fri, 19 Jun 2020 16:31:37 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Wei Yongjun <weiyongjun1@...wei.com>,
        Paul Moore <paul@...l-moore.com>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 5.4 086/261] selinux: fix error return code in policydb_read()

From: Wei Yongjun <weiyongjun1@...wei.com>

[ Upstream commit 4c09f8b6913a779ca0c70ea8058bf21537eebb3b ]

Fix to return negative error code -ENOMEM from the kvcalloc() error
handling case instead of 0, as done elsewhere in this function.

Fixes: acdf52d97f82 ("selinux: convert to kvmalloc")
Signed-off-by: Wei Yongjun <weiyongjun1@...wei.com>
Signed-off-by: Paul Moore <paul@...l-moore.com>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 security/selinux/ss/policydb.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/security/selinux/ss/policydb.c b/security/selinux/ss/policydb.c
index 1260f5fb766e..dd7aabd94a92 100644
--- a/security/selinux/ss/policydb.c
+++ b/security/selinux/ss/policydb.c
@@ -2496,6 +2496,7 @@ int policydb_read(struct policydb *p, void *fp)
 	if (rc)
 		goto bad;
 
+	rc = -ENOMEM;
 	p->type_attr_map_array = kvcalloc(p->p_types.nprim,
 					  sizeof(*p->type_attr_map_array),
 					  GFP_KERNEL);
-- 
2.25.1