selinux: fix sel_write_enforce broken return value

[ Upstream commit 6436a123a147db51a0b06024a8350f4c230e73ff ]

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

Cc: <stable@vger.kernel.org>
Signed-off-by: Joe Perches <joe@perches.com>
Acked-by:  Stephen Smalley <sds@tycho.nsa.gov>
[PM: tweaked subject line]
Signed-off-by: Paul Moore <pmoore@redhat.com>
Signed-off-by: Sasha Levin <sasha.levin@oracle.com>

diff --git a/security/selinux/selinuxfs.c b/security/selinux/selinuxfs.c
index 33db1ad4fd103d948f0984d3931c9f4e7b90ee8d..138949a31eabeabcbcf2c6a36c644aa02b63aa85 100644 (file)
--- 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;