SELinux: fix error code in policydb_init()

If hashtab_create() returns a NULL pointer then we should return -ENOMEM
but instead the current code returns success.

Signed-off-by: Dan Carpenter <[e-mail]>
Acked-by: Serge Hallyn <[e-mail]>
Acked-by: Stephen Smalley <[e-mail]>
Signed-off-by: Paul Moore <[e-mail]>

security/selinux/ss/policydb.c

···
 		goto out;
 
 	p->filename_trans = hashtab_create(filenametr_hash, filenametr_cmp, (1 << 10));
-	if (!p->filename_trans)
+	if (!p->filename_trans) {
+		rc = -ENOMEM;
 		goto out;
+	}
 
 	p->range_tr = hashtab_create(rangetr_hash, rangetr_cmp, 256);
-	if (!p->range_tr)
+	if (!p->range_tr) {
+		rc = -ENOMEM;
 		goto out;
+	}
 
 	ebitmap_init(&p->filename_trans_ttypes);
 	ebitmap_init(&p->policycaps);