From mboxrd@z Thu Jan 1 00:00:00 1970 From: SF Markus Elfring Subject: [PATCH 1/1] net: Hyper-V: Deletion of an unnecessary check before the function call "vfree" Date: Thu, 20 Nov 2014 15:25:27 +0100 Message-ID: <546DF9D7.6080801@users.sourceforge.net> References: <5307CAA2.8060406@users.sourceforge.net> <530A086E.8010901@users.sourceforge.net> <530A72AA.3000601@users.sourceforge.net> <530B5FB6.6010207@users.sourceforge.net> <530C5E18.1020800@users.sourceforge.net> <530CD2C4.4050903@users.sourceforge.net> <530CF8FF.8080600@users.sourceforge.net> <530DD06F.4090703@users.sourceforge.net> <5317A59D.4@users.sourceforge.net> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Cc: Julia Lawall , kernel-janitors@vger.kernel.org, LKML To: Haiyang Zhang , "K. Y. Srinivasan" , devel@linuxdriverproject.org, netdev@vger.kernel.org Return-path: In-Reply-To: <5317A59D.4@users.sourceforge.net> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: driverdev-devel-bounces@linuxdriverproject.org Sender: "devel" List-Id: netdev.vger.kernel.org From: Markus Elfring Date: Thu, 20 Nov 2014 15:15:21 +0100 The vfree() function performs also input parameter validation. Thus the test around the call is not needed. This issue was detected by using the Coccinelle software. Signed-off-by: Markus Elfring --- drivers/net/hyperv/netvsc.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/drivers/net/hyperv/netvsc.c b/drivers/net/hyperv/netvsc.c index da2d346..ffe7481 100644 --- a/drivers/net/hyperv/netvsc.c +++ b/drivers/net/hyperv/netvsc.c @@ -548,8 +548,7 @@ int netvsc_device_remove(struct hv_device *device) vmbus_close(device->channel); /* Release all resources */ - if (net_device->sub_cb_buf) - vfree(net_device->sub_cb_buf); + vfree(net_device->sub_cb_buf); kfree(net_device); return 0; -- 2.1.3