linux-kernel - [PATCH 15/46] selinux: One check and function call less in genfs

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Date:   Sun, 15 Jan 2017 16:15:06 +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 15/46] selinux: One check and function call less in
 genfs_read() after error detection

From: Markus Elfring <elfring@...rs.sourceforge.net>
Date: Sat, 14 Jan 2017 18:29:20 +0100

Adjust a jump target to avoid a check repetition at the end after a memory
allocation failed for the local variable "newgenfs".

Signed-off-by: Markus Elfring <elfring@...rs.sourceforge.net>
---
 security/selinux/ss/policydb.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/security/selinux/ss/policydb.c b/security/selinux/ss/policydb.c
index 5dc31faa601f..e7b882251da8 100644
--- a/security/selinux/ss/policydb.c
+++ b/security/selinux/ss/policydb.c
@@ -2015,7 +2015,7 @@ static int genfs_read(struct policydb *p, void *fp)
 		newgenfs = kzalloc(sizeof(*newgenfs), GFP_KERNEL);
 		if (!newgenfs) {
 			rc = -ENOMEM;
-			goto out;
+			goto exit;
 		}
 
 		rc = str_read(&newgenfs->fstype, GFP_KERNEL, fp, len);
@@ -2101,7 +2101,7 @@ static int genfs_read(struct policydb *p, void *fp)
 		kfree(newgenfs);
 	}
 	ocontext_destroy(newc, OCON_FSUSE);
-
+exit:
 	return rc;
 }
 
-- 
2.11.0