linux-kernel - [PATCH 24/46] selinux: Return directly after a failed kzalloc() in cat

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Message-ID: <04142c87-5826-4796-c461-ec3e80f14928@users.sourceforge.net>
Date:   Sun, 15 Jan 2017 16:24:03 +0100
From:   SF Markus Elfring <elfring@...rs.sourceforge.net>
To:     linux-security-module@...r.kernel.org, selinux@...ho.nsa.gov,
        Eric Paris <eparis@...isplace.org>,
        James Morris <james.l.morris@...cle.com>,
        Paul Moore <paul@...l-moore.com>,
        "Serge E. Hallyn" <serge@...lyn.com>,
        Stephen Smalley <sds@...ho.nsa.gov>,
        William Roberts <william.c.roberts@...el.com>
Cc:     LKML <linux-kernel@...r.kernel.org>,
        kernel-janitors@...r.kernel.org
Subject: [PATCH 24/46] selinux: Return directly after a failed kzalloc() in
 cat_read()

From: Markus Elfring <elfring@...rs.sourceforge.net>
Date: Sat, 14 Jan 2017 21:20:43 +0100

Return directly after a call of the function "kzalloc" failed
at the beginning.

Signed-off-by: Markus Elfring <elfring@...rs.sourceforge.net>
---
 security/selinux/ss/policydb.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/security/selinux/ss/policydb.c b/security/selinux/ss/policydb.c
index 5101592ae172..eb898dcbe502 100644
--- a/security/selinux/ss/policydb.c
+++ b/security/selinux/ss/policydb.c
@@ -1635,10 +1635,9 @@ static int cat_read(struct policydb *p, struct hashtab *h, void *fp)
 	__le32 buf[3];
 	u32 len;
 
-	rc = -ENOMEM;
 	catdatum = kzalloc(sizeof(*catdatum), GFP_ATOMIC);
 	if (!catdatum)
-		goto bad;
+		return -ENOMEM;
 
 	rc = next_entry(buf, fp, sizeof buf);
 	if (rc)
-- 
2.11.0