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 3B25B4C6A for ; Mon, 14 Nov 2022 12:55:48 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 8BAC8C433C1; Mon, 14 Nov 2022 12:55:47 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1668430548; bh=RqUyiHnUBhBA/SXC6gg/z7KldM/kWeP7E7ew84j3TU0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=BvfCWY5DlDW+AswnccNN3rOSfyPqu9DiRKLohXtjmA1GVYXa/ONBD95DuiT+h5+L9 L80VFCuKUTee05grkbNrL0KbPXtBJoooONlonJU86Wio6cnuI2hE/adGSTNOpSg/Fy RHbv1gl5AU3DWklFIuVG8I1sT25AatA0jK9UHL2Y= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Zhengchao Shao , Jakub Kicinski , Sasha Levin Subject: [PATCH 5.15 059/131] net: nixge: disable napi when enable interrupts failed in nixge_open() Date: Mon, 14 Nov 2022 13:45:28 +0100 Message-Id: <20221114124451.206883022@linuxfoundation.org> X-Mailer: git-send-email 2.38.1 In-Reply-To: <20221114124448.729235104@linuxfoundation.org> References: <20221114124448.729235104@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: Zhengchao Shao [ Upstream commit b06334919c7a068d54ba5b219c05e919d89943f7 ] When failed to enable interrupts in nixge_open() for opening device, napi isn't disabled. When open nixge device next time, it will reports a invalid opcode issue. Fix it. Only be compiled, not be tested. Fixes: 492caffa8a1a ("net: ethernet: nixge: Add support for National Instruments XGE netdev") Signed-off-by: Zhengchao Shao Link: https://lore.kernel.org/r/20221107101443.120205-1-shaozhengchao@huawei.com Signed-off-by: Jakub Kicinski Signed-off-by: Sasha Levin --- drivers/net/ethernet/ni/nixge.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/net/ethernet/ni/nixge.c b/drivers/net/ethernet/ni/nixge.c index 346145d3180e..057b7419404d 100644 --- a/drivers/net/ethernet/ni/nixge.c +++ b/drivers/net/ethernet/ni/nixge.c @@ -899,6 +899,7 @@ static int nixge_open(struct net_device *ndev) err_rx_irq: free_irq(priv->tx_irq, ndev); err_tx_irq: + napi_disable(&priv->napi); phy_stop(phy); phy_disconnect(phy); tasklet_kill(&priv->dma_err_tasklet); -- 2.35.1