From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 60933C433F5 for ; Fri, 12 Nov 2021 15:09:13 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 4631F60F46 for ; Fri, 12 Nov 2021 15:09:13 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230182AbhKLPMD (ORCPT ); Fri, 12 Nov 2021 10:12:03 -0500 Received: from us-smtp-delivery-124.mimecast.com ([170.10.133.124]:58208 "EHLO us-smtp-delivery-124.mimecast.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229509AbhKLPMB (ORCPT ); Fri, 12 Nov 2021 10:12:01 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1636729750; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=M10JDtvNwjvlnkeGVOpBppOKaiUG/M9CfxdoBw1FJ1Q=; b=aR5weT0M1dEN9iVFVNIjATOzwUMBpeHc1zdQ8pYhKYtp+CgG/onqXqptoE2o+At4aBX/dp yyBw4KJBsX9jSAY12ltC/LvYAhBjG0jMJ/Ro33tbcxQS1+tHdswHlSUwatwpI5dxS7iAVk rv0n59FdnCgCnyPAKG5ENTnnzW0W/vw= Received: from mail-qk1-f199.google.com (mail-qk1-f199.google.com [209.85.222.199]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-364-1wX3dwtDP6SnhAhzm4wqJw-1; Fri, 12 Nov 2021 10:09:09 -0500 X-MC-Unique: 1wX3dwtDP6SnhAhzm4wqJw-1 Received: by mail-qk1-f199.google.com with SMTP id m19-20020a05620a221300b00467cb90a8e2so6592817qkh.18 for ; Fri, 12 Nov 2021 07:09:09 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to; bh=M10JDtvNwjvlnkeGVOpBppOKaiUG/M9CfxdoBw1FJ1Q=; b=cX/KBEAZeZwPvK6loGWSfiBF7avKGRyZC6+BQ9FQ7s8gSDbm+9n6+yPnBNeTNKl0QC oXVJZJIAsPR4qZCr36uFHhlTBHT/f6aGPvliRLJ1s5xfYBQBaSGN4+EsWRrYC9TAOZfv d0AzPP1aXHvmCWv7czL1FRFZ+l30PPh9xO6Ubc2Jxte134EK2bmhJ4g/0HpGblNjZDfP 0t+oBSx6DtXWnyHFvjCGtjpKLht3VvkbHKNkSADysk8ccYu6zzrwjWXo96aR4e9kRBx1 kaE5cogcab6lyQwBxQNQon/q0POWMYIxsiYvEr1DIMK970itQvQh3MpYMUwD80zlU1G1 wrxg== X-Gm-Message-State: AOAM530bEK8XAkjk+cYM1W1T8ZzIpYFPsyyG1kKrOi2LWaAJS/snpR1o cvZttC1/Q7w7Q/ZaT+u76vgNT+uSwSkqnE+gOo9RgrTf+IJXBLyHf3ownW4NTecAqOSGV0MaYyC HtdXVIfLUGlseJ5lwhznnv2o= X-Received: by 2002:a05:622a:178c:: with SMTP id s12mr4207072qtk.43.1636729749102; Fri, 12 Nov 2021 07:09:09 -0800 (PST) X-Google-Smtp-Source: ABdhPJwmFsBQzyEWJpJEozEoeqjviaanWHxvfbd5LPTmTA2qoHP6BZRuewV/ctP4yDWvtHp2zQYKpQ== X-Received: by 2002:a05:622a:178c:: with SMTP id s12mr4207040qtk.43.1636729748874; Fri, 12 Nov 2021 07:09:08 -0800 (PST) Received: from localhost (pool-68-160-176-52.bstnma.fios.verizon.net. [68.160.176.52]) by smtp.gmail.com with ESMTPSA id b2sm2988808qtg.88.2021.11.12.07.09.08 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 12 Nov 2021 07:09:08 -0800 (PST) Date: Fri, 12 Nov 2021 10:09:07 -0500 From: Mike Snitzer To: cgel.zte@gmail.com Cc: agk@redhat.com, dm-devel@redhat.com, linux-kernel@vger.kernel.org, ran jianping , Zeal Robot Subject: Re: dm snapshot: remove unneeded variable Message-ID: References: <20211111075659.158155-1-ran.jianping@zte.com.cn> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20211111075659.158155-1-ran.jianping@zte.com.cn> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Nov 11 2021 at 2:56P -0500, cgel.zte@gmail.com wrote: > From: ran jianping > > Fix the following coccicheck review: > ./drivers/md/dm-snap-transient.c:91:10-12: Unneeded variable > > Remove unneeded variable used to store return value. > > Reported-by: Zeal Robot > Signed-off-by: ran jianping > --- > drivers/md/dm-snap-transient.c | 3 +-- > 1 file changed, 1 insertion(+), 2 deletions(-) > > diff --git a/drivers/md/dm-snap-transient.c b/drivers/md/dm-snap-transient.c > index 0e0ae4c36b37..d95b59855da0 100644 > --- a/drivers/md/dm-snap-transient.c > +++ b/drivers/md/dm-snap-transient.c > @@ -88,7 +88,6 @@ static unsigned transient_status(struct dm_exception_store *store, > status_type_t status, char *result, > unsigned maxlen) > { > - unsigned sz = 0; > > switch (status) { > case STATUSTYPE_INFO: > @@ -101,7 +100,7 @@ static unsigned transient_status(struct dm_exception_store *store, > break; > } > > - return sz; > + return 0; > } > > static struct dm_exception_store_type _transient_type = { > -- > 2.25.1 > You clearly didn't even compile test this. Nacked-by: Mike Snitzer