From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 5CD1EBA32 for ; Tue, 7 Mar 2023 17:13:02 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id C7601C433EF; Tue, 7 Mar 2023 17:13:01 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1678209182; bh=xHbBuNxWjVUg/u4qn98DcnMncgxaOy5Wry++go2UTJk=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=YYLCjpkwLz4BYo7aUOmL2aBv4l+VIkvUmOKo56CpGynuP2r/Zff4mPkneJEKpvmF0 Wo/j5GvSI84g0tHr3XqW1RMSN41PL+f8BOP5S/gek7zfDqMt40rPJt47BOF0xKarf2 qeS0LdVVE/NYkgt9hnG0ioQzzV2XPMwtn8ZZTwZ0= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, coverity-bot , Ryder Lee , Felix Fietkau , Sasha Levin Subject: [PATCH 6.2 0137/1001] wifi: mt76: mt7996: fix integer handling issue of mt7996_rf_regval_set() Date: Tue, 7 Mar 2023 17:48:29 +0100 Message-Id: <20230307170028.012098093@linuxfoundation.org> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230307170022.094103862@linuxfoundation.org> References: <20230307170022.094103862@linuxfoundation.org> User-Agent: quilt/0.67 Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit From: Ryder Lee [ Upstream commit aab169ad3a7aa8678aed90d7fdbc243e3d4b32a6 ] This code is supposed to set a u32 value, but casting will not work on big endian systems. Reported-by: coverity-bot Addresses-Coverity-ID: 1527816 ("Integer handling issues") Fixes: 98686cd21624 ("wifi: mt76: mt7996: add driver for MediaTek Wi-Fi 7 (802.11be) devices") Signed-off-by: Ryder Lee Signed-off-by: Felix Fietkau Signed-off-by: Sasha Levin --- drivers/net/wireless/mediatek/mt76/mt7996/debugfs.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/net/wireless/mediatek/mt76/mt7996/debugfs.c b/drivers/net/wireless/mediatek/mt76/mt7996/debugfs.c index 2e4a8909b9e80..99b23aef53a50 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7996/debugfs.c +++ b/drivers/net/wireless/mediatek/mt76/mt7996/debugfs.c @@ -653,8 +653,9 @@ static int mt7996_rf_regval_set(void *data, u64 val) { struct mt7996_dev *dev = data; + u32 val32 = val; - return mt7996_mcu_rf_regval(dev, dev->mt76.debugfs_reg, (u32 *)&val, true); + return mt7996_mcu_rf_regval(dev, dev->mt76.debugfs_reg, &val32, true); } DEFINE_DEBUGFS_ATTRIBUTE(fops_rf_regval, mt7996_rf_regval_get, -- 2.39.2