From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753653AbcG3UFg (ORCPT ); Sat, 30 Jul 2016 16:05:36 -0400 Received: from mail-pa0-f66.google.com ([209.85.220.66]:36420 "EHLO mail-pa0-f66.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752807AbcG3UF3 (ORCPT ); Sat, 30 Jul 2016 16:05:29 -0400 From: Nadim almas To: abbotti@mev.co.uk Cc: gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, devel@driverdev.osuosl.org, Nadim almas Subject: [PATCH 34/34] Staging: comedi: drivers: cd_pcidas: Compression of Date: Sat, 30 Jul 2016 13:04:55 -0700 Message-Id: <1469909095-15991-1-git-send-email-nadim.902@gmail.com> X-Mailer: git-send-email 2.7.4 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This patch compresses two lines in to a single line in file cb_pcidas.c if immediate return statement is found. It also removes variable bytes_written as it is no longer needed. It is done using script Coccinelle. And coccinelle uses following semantic patch for this compression function: @@ expression e, ret; @@ -ret = +return e; -return ret Signed-off-by: Nadim Almas --- drivers/staging/comedi/drivers/cb_pcidas64.c | 4 +--- 1 files changed, 1 insertions(+), 3 deletions(-) diff --git a/drivers/staging/comedi/drivers/cb_pcidas64.c b/drivers/staging/comedi/drivers/cb_pcidas64.c index 1f9c08a..d30cf3d 100644 --- a/drivers/staging/comedi/drivers/cb_pcidas64.c +++ b/drivers/staging/comedi/drivers/cb_pcidas64.c @@ -1408,9 +1408,7 @@ static int set_ai_fifo_size(struct comedi_device *dev, unsigned int num_samples) if (retval < 0) return retval; - num_samples = retval * fifo->num_segments * fifo->sample_packing_ratio; - - return num_samples; + return retval * fifo->num_segments * fifo->sample_packing_ratio; } /* query length of fifo */ -- 2.7.4