From patchwork Tue Mar 19 12:05:36 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Lorenzo Bianconi X-Patchwork-Id: 781333 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 745967CF03 for ; Tue, 19 Mar 2024 12:05:51 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1710849951; cv=none; b=ed+haxJ8wmVUtbC5Iv7ZfX1WXCZU7KCzTENcJvtoXQcHsPcfqFxrBmr38mACmw6AJ52pdd0sYxLWNI/RYhxHuRhgT93GNi1HqcO607HwVT78cseLcZg3eNqj8hLzVedsdxoT/CmXHs3sc2o0N+aNQv/CfwjTiPNe/dXb0GPVWsg= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1710849951; c=relaxed/simple; bh=jbL5yL060xn9hTPjy4Qy/WXnGskckZCSHcM9eCIR0NI=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=SMtHzZ28e/oGScDO6qCpS2E3eNNSshnEjpp78ByH0W7HgwoEChwKtjkGyRyqyah8sfU1edzOo3dJMLa+l2nl3mOL75unhFDjQQtW2zTnAEf6MY9lJtFe3ON7QlZ1IlZY6YJg87L/6455k40termA+VNSc1IA5n7v4lMPRzH/VtE= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=Whl8MqBb; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="Whl8MqBb" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 8DA3FC43390; Tue, 19 Mar 2024 12:05:50 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1710849950; bh=jbL5yL060xn9hTPjy4Qy/WXnGskckZCSHcM9eCIR0NI=; h=From:To:Cc:Subject:Date:From; b=Whl8MqBb+kkkLfTjCrOW7DUrQiUAxSYQMutbOj6x1+uZjUXq8Zur0kqAWZMwNxCQx 1FgnGU4f74ZTtHXiLpIJMrdQqiHgDKOuRaUKpzMIs+VMyI/vhTzOy6QpNq4czGYlNM YF3DsyIJZhY7RIE/c6nft3Kj9NiffxNN0HBvXz9G+N2rn4IY0BxJjXsQQu/UD90XXe U11ZOJoYtHd7anhKe0DByCal3TBlU28QfOKyOeoJS3WmLqLx1aUAbihkBcLJCRKAnx YteXamo9yUiXtl/h/zkoKLrmaiMnyvHH8lE+bNyWEFzZugn9czGb3KYxln8hH7xgRW U0kP06Tr0mtCQ== From: Lorenzo Bianconi To: nbd@nbd.name Cc: linux-wireless@vger.kernel.org, lorenzo.bianconi@redhat.com, shayne.chen@mediatek.com, ryder.lee@mediatek.com Subject: [PATCH] wifi: mt76: mt7996: fix uninitialized variable in mt7996_irq_tasklet() Date: Tue, 19 Mar 2024 13:05:36 +0100 Message-ID: X-Mailer: git-send-email 2.44.0 Precedence: bulk X-Mailing-List: linux-wireless@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Set intr1 to 0 in mt7996_irq_tasklet() in order to avoid possible uninitialized variable usage if wed is not active for hif2. Fixes: 83eafc9251d6 ("wifi: mt76: mt7996: add wed tx support") Signed-off-by: Lorenzo Bianconi --- drivers/net/wireless/mediatek/mt76/mt7996/mmio.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/wireless/mediatek/mt76/mt7996/mmio.c b/drivers/net/wireless/mediatek/mt76/mt7996/mmio.c index 304e5fd14803..928a9663b49e 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7996/mmio.c +++ b/drivers/net/wireless/mediatek/mt76/mt7996/mmio.c @@ -519,7 +519,7 @@ static void mt7996_irq_tasklet(struct tasklet_struct *t) struct mt7996_dev *dev = from_tasklet(dev, t, mt76.irq_tasklet); struct mtk_wed_device *wed = &dev->mt76.mmio.wed; struct mtk_wed_device *wed_hif2 = &dev->mt76.mmio.wed_hif2; - u32 i, intr, mask, intr1; + u32 i, intr, mask, intr1 = 0; if (dev->hif2 && mtk_wed_device_active(wed_hif2)) { mtk_wed_device_irq_set_mask(wed_hif2, 0);