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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 1131DCCA486 for ; Wed, 8 Jun 2022 00:14:57 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1385951AbiFGWr0 (ORCPT ); Tue, 7 Jun 2022 18:47:26 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37732 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1380851AbiFGViQ (ORCPT ); Tue, 7 Jun 2022 17:38:16 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id DCEDE1C13A; Tue, 7 Jun 2022 12:05:26 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 78435617EE; Tue, 7 Jun 2022 19:05:26 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 849F4C385A2; Tue, 7 Jun 2022 19:05:25 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1654628725; bh=Whr85xBJzYK0FWJhwzET+EpOWlc68uR+NHnFIy1/Ln8=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=1vHMLFaMAKNoMUmufzO+LZ0KJhvjvNMsg+HtCBwU+a1ObRr+ZpQrAvpv62QMgeW+8 lUuREANm2icpYl66d3EssrGGrEdzZwe3bK44iAbXx1wWVLZ8Y672UnFvmHnvBFoJhe gqnUrplXln30JVICLjrxSK9NBQlY6xDwqczDslss= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Lorenzo Bianconi , Felix Fietkau , Sasha Levin Subject: [PATCH 5.18 433/879] mt76: mt7915: fix possible uninitialized pointer dereference in mt7986_wmac_gpio_setup Date: Tue, 7 Jun 2022 18:59:11 +0200 Message-Id: <20220607165015.438710968@linuxfoundation.org> X-Mailer: git-send-email 2.36.1 In-Reply-To: <20220607165002.659942637@linuxfoundation.org> References: <20220607165002.659942637@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Lorenzo Bianconi [ Upstream commit 9bd6823f5a64b6465708b244eecc9b7dd4b01bfc ] Add default case for type switch in mt7986_wmac_gpio_setup routine in order to avoid a possible uninitialized pointer dereference. Fixes: 99ad32a4ca3a2 ("mt76: mt7915: add support for MT7986") Signed-off-by: Lorenzo Bianconi Signed-off-by: Felix Fietkau Signed-off-by: Sasha Levin --- drivers/net/wireless/mediatek/mt76/mt7915/soc.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/soc.c b/drivers/net/wireless/mediatek/mt76/mt7915/soc.c index 3028c02cb840..be448d471b03 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7915/soc.c +++ b/drivers/net/wireless/mediatek/mt76/mt7915/soc.c @@ -210,6 +210,8 @@ static int mt7986_wmac_gpio_setup(struct mt7915_dev *dev) if (IS_ERR_OR_NULL(state)) return -EINVAL; break; + default: + return -EINVAL; } ret = pinctrl_select_state(pinctrl, state); -- 2.35.1