Return-path: Received: from eusmtp01.atmel.com ([212.144.249.243]:14447 "EHLO eusmtp01.atmel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752991AbcA0C6X (ORCPT ); Tue, 26 Jan 2016 21:58:23 -0500 From: Glen Lee To: CC: , , , , , , , , Subject: [PATCH 13/13] staging: wilc1000: fixes variable dereferenced before check Date: Wed, 27 Jan 2016 11:50:37 +0900 Message-ID: <1453863037-31073-13-git-send-email-glen.lee@atmel.com> (sfid-20160127_040653_492509_AB5A0210) In-Reply-To: <1453863037-31073-1-git-send-email-glen.lee@atmel.com> References: <1453863037-31073-1-git-send-email-glen.lee@atmel.com> MIME-Version: 1.0 Content-Type: text/plain Sender: linux-wireless-owner@vger.kernel.org List-ID: From: Leo Kim This patch fixes the warning reported by smatch. - wilc_wlan_get_firmware() warn: variable dereferenced before check 'vif' - wilc_set_multicast_list() warn: variable dereferenced before check 'dev' Just delete them and no need add null check since they are net_device from ndo_set_rx_mode of net_device_ops and vif of netdev_priv. Signed-off-by: Leo Kim Signed-off-by: Glen Lee --- drivers/staging/wilc1000/linux_wlan.c | 6 ------ 1 file changed, 6 deletions(-) diff --git a/drivers/staging/wilc1000/linux_wlan.c b/drivers/staging/wilc1000/linux_wlan.c index 9ca33536..22a2f98 100644 --- a/drivers/staging/wilc1000/linux_wlan.c +++ b/drivers/staging/wilc1000/linux_wlan.c @@ -397,9 +397,6 @@ int wilc_wlan_get_firmware(struct net_device *dev) netdev_info(dev, "loading firmware %s\n", firmware); - if (!vif) - goto _fail_; - if (!(&vif->ndev->dev)) goto _fail_; @@ -1017,9 +1014,6 @@ static void wilc_set_multicast_list(struct net_device *dev) vif = netdev_priv(dev); hif_drv = (struct host_if_drv *)priv->hif_drv; - if (!dev) - return; - if (dev->flags & IFF_PROMISC) return; -- 1.9.1