From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752401AbZJYQUV (ORCPT ); Sun, 25 Oct 2009 12:20:21 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752164AbZJYQUU (ORCPT ); Sun, 25 Oct 2009 12:20:20 -0400 Received: from out2.smtp.messagingengine.com ([66.111.4.26]:48548 "EHLO out2.smtp.messagingengine.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751444AbZJYQUT (ORCPT ); Sun, 25 Oct 2009 12:20:19 -0400 X-Sasl-enc: FSiGX4t21t2cBNnUXgJE89+s4msxDwBwjfLULWNMAPS0 1256487622 Date: Sun, 25 Oct 2009 14:20:19 -0200 From: Henrique de Moraes Holschuh To: =?iso-8859-1?Q?Andr=E9?= Goddard Rosa Cc: gregkh@suse.de, alan@linux.intel.com, Andrew Morton , adobriyan@gmail.com, linux list Subject: Re: [PATCH 2/2] serial: cascade needless conditionals Message-ID: <20091025162019.GA10898@khazad-dum.debian.net> References: MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: X-GPG-Fingerprint: 1024D/1CDB0FE3 5422 5C61 F6B7 06FB 7E04 3738 EE25 DE3F 1CDB 0FE3 User-Agent: Mutt/1.5.20 (2009-06-14) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Sun, 25 Oct 2009, André Goddard Rosa wrote: > if (flags == UPF_SPD_HI) > altbaud = 57600; > - if (flags == UPF_SPD_VHI) > + else if (flags == UPF_SPD_VHI) > altbaud = 115200; > - if (flags == UPF_SPD_SHI) > + else if (flags == UPF_SPD_SHI) > altbaud = 230400; > - if (flags == UPF_SPD_WARP) > + else if (flags == UPF_SPD_WARP) > altbaud = 460800; This changes code behaviour if more than one bit is set (which might never happen for all I know...). You should invert the order of the tests if you want to make sure it is side-effect-free. -- "One disk to rule them all, One disk to find them. One disk to bring them all and in the darkness grind them. In the Land of Redmond where the shadows lie." -- The Silicon Valley Tarot Henrique Holschuh