From mboxrd@z Thu Jan 1 00:00:00 1970 From: walter harms Subject: Re: [PATCH] wan: wanxl: remove redundant assignment to stat Date: Wed, 01 Nov 2017 11:50:21 +0100 Message-ID: <59F9A6ED.7060301@bfs.de> References: <20171101084945.14653-1-colin.king@canonical.com> Reply-To: wharms@bfs.de Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Cc: Krzysztof Halasa , netdev@vger.kernel.org, linux-kernel@vger.kernel.org, kernel-janitors@vger.kernel.org To: Colin King Return-path: In-Reply-To: <20171101084945.14653-1-colin.king@canonical.com> Sender: kernel-janitors-owner@vger.kernel.org List-Id: netdev.vger.kernel.org Am 01.11.2017 09:49, schrieb Colin King: > From: Colin Ian King > > stat set to zero and the value is never read, instead stat is > set again in the do-loop. Hence the setting to zero is redundant > and can be removed. Cleans up clang warning: > > drivers/net/wan/wanxl.c:737:2: warning: Value stored to 'stat' > is never read > > Signed-off-by: Colin Ian King > --- > drivers/net/wan/wanxl.c | 1 - > 1 file changed, 1 deletion(-) > > diff --git a/drivers/net/wan/wanxl.c b/drivers/net/wan/wanxl.c > index 0c7317520ed3..d573a57bc301 100644 > --- a/drivers/net/wan/wanxl.c > +++ b/drivers/net/wan/wanxl.c > @@ -734,7 +734,6 @@ static int wanxl_pci_init_one(struct pci_dev *pdev, > return -ENODEV; > } > > - stat = 0; > timeout = jiffies + 5 * HZ; > do { > if ((stat = readl(card->plx + PLX_MAILBOX_5)) != 0) it is std. practice to have the pattern: a=b; if (a == c) ... maybe that can be done also here. stat = readl(card->plx + PLX_MAILBOX_5); if ( stat != 0) just a hint. re, wh