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[73.88.245.53]) by smtp.gmail.com with ESMTPSA id a136sm20267507qkb.15.2020.04.08.12.27.12 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Wed, 08 Apr 2020 12:27:13 -0700 (PDT) Subject: Re: [PATCH] of: remove unneeded variable From: Frank Rowand To: Ding Xiang , robh+dt@kernel.org Cc: devicetree@vger.kernel.org, linux-kernel@vger.kernel.org References: <1585562702-360-1-git-send-email-dingxiang@cmss.chinamobile.com> <92c6b7e9-4d55-a5c3-8c7f-5611edeb55c9@gmail.com> Message-ID: <94145488-c077-4b40-943f-f53f21f660c4@gmail.com> Date: Wed, 8 Apr 2020 14:27:11 -0500 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.9.0 MIME-Version: 1.0 In-Reply-To: <92c6b7e9-4d55-a5c3-8c7f-5611edeb55c9@gmail.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 4/8/20 11:00 AM, Frank Rowand wrote: > On 3/30/20 5:05 AM, Ding Xiang wrote: >> rc is unneeded, just return 0. > > of: of_detach_node() remove unneeded local return variable never mind, this is not the subject line... My mistake. -Frank > >> >> Signed-off-by: Ding Xiang >> --- >> drivers/of/dynamic.c | 3 +-- >> 1 file changed, 1 insertion(+), 2 deletions(-) >> >> diff --git a/drivers/of/dynamic.c b/drivers/of/dynamic.c >> index 08fd823..fe64430 100644 >> --- a/drivers/of/dynamic.c >> +++ b/drivers/of/dynamic.c >> @@ -286,7 +286,6 @@ int of_detach_node(struct device_node *np) >> { >> struct of_reconfig_data rd; >> unsigned long flags; >> - int rc = 0; >> >> memset(&rd, 0, sizeof(rd)); >> rd.dn = np; >> @@ -301,7 +300,7 @@ int of_detach_node(struct device_node *np) >> >> of_reconfig_notify(OF_RECONFIG_DETACH_NODE, &rd); >> >> - return rc; >> + return 0; >> } >> EXPORT_SYMBOL_GPL(of_detach_node); >> >> > > > Reviewed-by: Frank Rowand >