From mboxrd@z Thu Jan 1 00:00:00 1970 From: Nobuhiro Iwamatsu Subject: Re: [PATCH 16/20] drivers/net/ethernet/renesas/sh_eth.c: fix error return code Date: Thu, 04 Oct 2012 09:52:05 +0900 Message-ID: <506CDDB5.5080508@renesas.com> References: <1349281090-10013-15-git-send-email-peter.senna@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-2022-JP Content-Transfer-Encoding: 7bit Cc: davem@davemloft.net, kernel-janitors@vger.kernel.org, yoshihiro.shimoda.uh@renesas.com, netdev@vger.kernel.org, linux-kernel@vger.kernel.org To: Peter Senna Tschudin Return-path: In-reply-to: <1349281090-10013-15-git-send-email-peter.senna@gmail.com> Sender: linux-kernel-owner@vger.kernel.org List-Id: netdev.vger.kernel.org Peter Senna Tschudin さんは書きました: > From: Peter Senna Tschudin > > Convert a nonnegative error return code to a negative one, as returned > elsewhere in the function. > > A simplified version of the semantic match that finds this problem is as > follows: (http://coccinelle.lip6.fr/) > > // > ( > if@p1 (\(ret < 0\|ret != 0\)) > { ... return ret; } > | > ret@p1 = 0 > ) > ... when != ret = e1 > when != &ret > *if(...) > { > ... when != ret = e2 > when forall > return ret; > } > // > > Signed-off-by: Peter Senna Tschudin Acked-by: Nobuhiro Iwamatsu