linux-kernel - [PATCH 3.16.y-ckt 099/144] selinux: fix sel_write

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Date:	Tue, 21 Apr 2015 16:31:24 +0100
From:	Luis Henriques <luis.henriques@...onical.com>
To:	linux-kernel@...r.kernel.org, stable@...r.kernel.org,
	kernel-team@...ts.ubuntu.com
Cc:	Joe Perches <joe@...ches.com>, Paul Moore <pmoore@...hat.com>,
	Luis Henriques <luis.henriques@...onical.com>
Subject: [PATCH 3.16.y-ckt 099/144] selinux: fix sel_write_enforce broken return value

3.16.7-ckt10 -stable review patch.  If anyone has any objections, please let me know.

------------------

From: Joe Perches <joe@...ches.com>

commit 6436a123a147db51a0b06024a8350f4c230e73ff upstream.

Return a negative error value like the rest of the entries in this function.

Signed-off-by: Joe Perches <joe@...ches.com>
Acked-by:  Stephen Smalley <sds@...ho.nsa.gov>
[PM: tweaked subject line]
Signed-off-by: Paul Moore <pmoore@...hat.com>
Signed-off-by: Luis Henriques <luis.henriques@...onical.com>
---
 security/selinux/selinuxfs.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/security/selinux/selinuxfs.c b/security/selinux/selinuxfs.c
index 33db1ad4fd10..138949a31eab 100644
--- a/security/selinux/selinuxfs.c
+++ b/security/selinux/selinuxfs.c
@@ -152,7 +152,7 @@ static ssize_t sel_write_enforce(struct file *file, const char __user *buf,
 		goto out;
 
 	/* No partial writes. */
-	length = EINVAL;
+	length = -EINVAL;
 	if (*ppos != 0)
 		goto out;
 
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