From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S935845AbaBDWXt (ORCPT ); Tue, 4 Feb 2014 17:23:49 -0500 Received: from cpsmtpb-ews08.kpnxchange.com ([213.75.39.13]:56586 "EHLO cpsmtpb-ews08.kpnxchange.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933662AbaBDWXm (ORCPT ); Tue, 4 Feb 2014 17:23:42 -0500 Message-ID: <1391552620.13156.16.camel@x220> Subject: [PATCH 2/2] raw: set range for MAX_RAW_DEVS From: Paul Bolle To: Arnd Bergmann , Greg Kroah-Hartman Cc: linux-kernel@vger.kernel.org Date: Tue, 04 Feb 2014 23:23:40 +0100 Content-Type: text/plain; charset="UTF-8" X-Mailer: Evolution 3.10.3 (3.10.3-1.fc20) Mime-Version: 1.0 Content-Transfer-Encoding: 7bit X-OriginalArrivalTime: 04 Feb 2014 22:23:40.0866 (UTC) FILETIME=[C1C62220:01CF21F7] X-RcptDomain: vger.kernel.org Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The Kconfig symbol MAX_RAW_DEVS is meant to be between 1 and 65536. But those boundaries are not enforced by its Kconfig entry. Note that MAX_RAW_DEVS is used to set MAX_RAW_MINORS in drivers/char/raw.c. If one would accidentally set MAX_RAW_DEVS to an invalid value, that invalid value will actually end up being used in raw_init(). So add an appropriate range to this Kconfig entry. Signed-off-by: Paul Bolle --- drivers/char/Kconfig | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/char/Kconfig b/drivers/char/Kconfig index fa3243d..1386749 100644 --- a/drivers/char/Kconfig +++ b/drivers/char/Kconfig @@ -499,6 +499,7 @@ config RAW_DRIVER config MAX_RAW_DEVS int "Maximum number of RAW devices to support (1-65536)" depends on RAW_DRIVER + range 1 65536 default "256" help The maximum number of RAW devices that are supported. -- 1.8.5.3