selinux: Return directly after a failed kzalloc() in sens_read()

Return directly after a call of the function "kzalloc" failed
at the beginning.
Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
Signed-off-by: Paul Moore <paul@paul-moore.com>

security/selinux/ss/policydb.c

@@ -1595,10 +1595,9 @@ static int sens_read(struct policydb *p, struct hashtab *h, void *fp)
 	__le32 buf[2];
 	u32 len;
 
-	rc = -ENOMEM;
 	levdatum = kzalloc(sizeof(*levdatum), GFP_ATOMIC);
 	if (!levdatum)
-		goto bad;
+		return -ENOMEM;
 
 	rc = next_entry(buf, fp, sizeof buf);
 	if (rc)