Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751693AbdINQLM (ORCPT ); Thu, 14 Sep 2017 12:11:12 -0400 Received: from mail2-relais-roc.national.inria.fr ([192.134.164.83]:3214 "EHLO mail2-relais-roc.national.inria.fr" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751615AbdINQKS (ORCPT ); Thu, 14 Sep 2017 12:10:18 -0400 X-IronPort-AV: E=Sophos;i="5.42,393,1500933600"; d="scan'208";a="291123571" Date: Thu, 14 Sep 2017 18:09:43 +0200 (CEST) From: Julia Lawall X-X-Sender: jll@hadrien To: Harsha Sharma cc: gregkh@linuxfoundation.org, devel@driverdev.osuosl.org, linux-kernel@vger.kernel.org, outreachy-kernel@googlegroups.com Subject: Re: [Outreachy kernel] [PATCH] staging: rtl8723bs: Remove unused variable ret In-Reply-To: <1505404910-11548-1-git-send-email-harshasharmaiitr@gmail.com> Message-ID: References: <1505404910-11548-1-git-send-email-harshasharmaiitr@gmail.com> User-Agent: Alpine 2.20 (DEB 67 2015-01-07) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2213 Lines: 76 On Thu, 14 Sep 2017, Harsha Sharma wrote: > Remove unused variable ret as it is not used anywhere. > Remove multiple blank lines. > Done using following coccinelle semantic patch > > @@ > type T; > identifier i; > constant C; > @@ > > ( > extern T i; > | > - T i; > <+... when != i > - i = C; > ...+> > ) > > Signed-off-by: Harsha Sharma > --- > drivers/staging/rtl8723bs/os_dep/ioctl_linux.c | 6 ------ > 1 file changed, 6 deletions(-) > > diff --git a/drivers/staging/rtl8723bs/os_dep/ioctl_linux.c b/drivers/staging/rtl8723bs/os_dep/ioctl_linux.c > index ffbb35a..7935dc5 100644 > --- a/drivers/staging/rtl8723bs/os_dep/ioctl_linux.c > +++ b/drivers/staging/rtl8723bs/os_dep/ioctl_linux.c > @@ -2337,10 +2337,6 @@ static int rtw_wx_read32(struct net_device *dev, > u32 data32; > u32 bytes; > u8 *ptmp; > - int ret; > - > - > - ret = 0; > padapter = (struct adapter *)rtw_netdev_priv(dev); > p = &wrqu->data; > len = p->length; > @@ -2352,7 +2348,6 @@ static int rtw_wx_read32(struct net_device *dev, > return -ENOMEM; > > if (copy_from_user(ptmp, p->pointer, len)) { > - ret = -EFAULT; > goto exit; > } > > @@ -2375,7 +2370,6 @@ static int rtw_wx_read32(struct net_device *dev, > break; > default: > DBG_871X(KERN_INFO "%s: usage> read [bytes],[address(hex)]\n", __func__); > - ret = -EINVAL; > goto exit; One could have the impression that the function should instead return ret. One would have to figure out where the function is called from and what happens there to the return value. julia > } > DBG_871X(KERN_INFO "%s: addr = 0x%08X data =%s\n", __func__, addr, extra); > -- > 1.9.1 > > -- > You received this message because you are subscribed to the Google Groups "outreachy-kernel" group. > To unsubscribe from this group and stop receiving emails from it, send an email to outreachy-kernel+unsubscribe@googlegroups.com. > To post to this group, send email to outreachy-kernel@googlegroups.com. > To view this discussion on the web visit https://groups.google.com/d/msgid/outreachy-kernel/1505404910-11548-1-git-send-email-harshasharmaiitr%40gmail.com. > For more options, visit https://groups.google.com/d/optout. >