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 X-Spam-Level: X-Spam-Status: No, score=-11.8 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, MENTIONS_GIT_HOSTING,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 81244C2D0DB for ; Wed, 22 Jan 2020 09:34:56 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 540562467B for ; Wed, 22 Jan 2020 09:34:56 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1579685696; bh=uxoYdEa1YMvd4QmddYEXwU+ZoyC4hc6YNpLE/Vn6OP4=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=NKUL+iXHpxEFiuwrzE4YOyE80UP/bpLbB9kL72aGYZgbw42aKO+Kuxe7L2YqG/P9D mphiCsVMBpxk4tjMhriDJ26fE9aMOLEVuhSstT70vZVanrT7eYW3hsi+nYGou47spn KH8253LTDxmsO7GLv5RJJo5zzxZ4nWTWXJI7feU4= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731063AbgAVJey (ORCPT ); Wed, 22 Jan 2020 04:34:54 -0500 Received: from mail.kernel.org ([198.145.29.99]:49644 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730486AbgAVJex (ORCPT ); Wed, 22 Jan 2020 04:34:53 -0500 Received: from localhost (83-86-89-107.cable.dynamic.v4.ziggo.nl [83.86.89.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 1E87824686; Wed, 22 Jan 2020 09:34:51 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1579685692; bh=uxoYdEa1YMvd4QmddYEXwU+ZoyC4hc6YNpLE/Vn6OP4=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=sfiIcaXetScRFNYqVohJfaPyfAdnNld5HYV33J66xls8Z4xMtF4uJZ0KDS341pedf NxN6ttmHMOy6pJ17EBJ3NujRkCGYWtLTh+TpjxPsVz+IdgupsX3akeFtZRtvsA7DZB wMSfM2JyNc8JByhPlKkCo+94I4d5FHnxklfVhzeA= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Nathan Chancellor , Ping-Ke Shih , Kalle Valo Subject: [PATCH 4.9 40/97] rtlwifi: Remove unnecessary NULL check in rtl_regd_init Date: Wed, 22 Jan 2020 10:28:44 +0100 Message-Id: <20200122092803.030380998@linuxfoundation.org> X-Mailer: git-send-email 2.25.0 In-Reply-To: <20200122092755.678349497@linuxfoundation.org> References: <20200122092755.678349497@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Nathan Chancellor commit 091c6e9c083f7ebaff00b37ad13562d51464d175 upstream. When building with Clang + -Wtautological-pointer-compare: drivers/net/wireless/realtek/rtlwifi/regd.c:389:33: warning: comparison of address of 'rtlpriv->regd' equal to a null pointer is always false [-Wtautological-pointer-compare] if (wiphy == NULL || &rtlpriv->regd == NULL) ~~~~~~~~~^~~~ ~~~~ 1 warning generated. The address of an array member is never NULL unless it is the first struct member so remove the unnecessary check. This was addressed in the staging version of the driver in commit f986978b32b3 ("Staging: rtlwifi: remove unnecessary NULL check"). While we are here, fix the following checkpatch warning: CHECK: Comparison to NULL could be written "!wiphy" 35: FILE: drivers/net/wireless/realtek/rtlwifi/regd.c:389: + if (wiphy == NULL) Fixes: 0c8173385e54 ("rtl8192ce: Add new driver") Link:https://github.com/ClangBuiltLinux/linux/issues/750 Signed-off-by: Nathan Chancellor Acked-by: Ping-Ke Shih Signed-off-by: Kalle Valo Signed-off-by: Greg Kroah-Hartman --- drivers/net/wireless/realtek/rtlwifi/regd.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/drivers/net/wireless/realtek/rtlwifi/regd.c +++ b/drivers/net/wireless/realtek/rtlwifi/regd.c @@ -427,7 +427,7 @@ int rtl_regd_init(struct ieee80211_hw *h struct wiphy *wiphy = hw->wiphy; struct country_code_to_enum_rd *country = NULL; - if (wiphy == NULL || &rtlpriv->regd == NULL) + if (!wiphy) return -EINVAL; /* init country_code from efuse channel plan */