Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1760440Ab2EJReY (ORCPT ); Thu, 10 May 2012 13:34:24 -0400 Received: from mail-pb0-f46.google.com ([209.85.160.46]:52483 "EHLO mail-pb0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1760409Ab2EJReT (ORCPT ); Thu, 10 May 2012 13:34:19 -0400 Message-Id: <20120510173134.595937051@linuxfoundation.org> User-Agent: quilt/0.60-19.1 Date: Thu, 10 May 2012 10:31:51 -0700 From: Greg KH To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: torvalds@linux-foundation.org, akpm@linux-foundation.org, alan@lxorguk.ukuu.org.uk, Axel Lin , Mark Brown Subject: [ 19/52] regulator: Fix the logic to ensure new voltage setting in valid range In-Reply-To: <20120510173229.GA5678@kroah.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1171 Lines: 38 3.3-stable review patch. If anyone has any objections, please let me know. ------------------ From: Axel Lin commit f55205f4d4a8823a11bb8b37ef2ecbd78fb09463 upstream. I think this is a typo. To ensure new voltage setting won't greater than desc->max, the equation should be desc->min + desc->step * new_val <= desc->max. Signed-off-by: Axel Lin Signed-off-by: Mark Brown Signed-off-by: Greg Kroah-Hartman --- drivers/regulator/max8997.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/drivers/regulator/max8997.c +++ b/drivers/regulator/max8997.c @@ -689,7 +689,7 @@ static int max8997_set_voltage_buck(stru } new_val++; - } while (desc->min + desc->step + new_val <= desc->max); + } while (desc->min + desc->step * new_val <= desc->max); new_idx = tmp_idx; new_val = tmp_val; -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/