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

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

security/selinux/ss/policydb.c

@@ -1152,10 +1152,9 @@ static int common_read(struct policydb *p, struct hashtab *h, void *fp)
 	u32 len, nel;
 	int i, rc;
 
-	rc = -ENOMEM;
 	comdatum = kzalloc(sizeof(*comdatum), GFP_KERNEL);
 	if (!comdatum)
-		goto bad;
+		return -ENOMEM;
 
 	rc = next_entry(buf, fp, sizeof buf);
 	if (rc)