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=-9.8 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable 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 B7799C6379F for ; Tue, 17 Nov 2020 13:20:55 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 788472464E for ; Tue, 17 Nov 2020 13:20:55 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="RExLcXfo" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730766AbgKQNUf (ORCPT ); Tue, 17 Nov 2020 08:20:35 -0500 Received: from mail.kernel.org ([198.145.29.99]:53900 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730520AbgKQNUX (ORCPT ); Tue, 17 Nov 2020 08:20:23 -0500 Received: from localhost (83-86-74-64.cable.dynamic.v4.ziggo.nl [83.86.74.64]) (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 CA9FA24695; Tue, 17 Nov 2020 13:20:21 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1605619222; bh=QsEl7P4x0/cyE4nicqaewzKyisG21glNGmW7hLq3NPI=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=RExLcXfol9hC0WKj4m2kTIg/8VRwjieaysyIPYiUXxXk69IU3zhg7p29fOLbanoP6 ruvd7ugZW5gYbqWjKGGvXQQKwEKx03ewp+DMqIBkIDVW9QyMDiO0PDCJ/NL1FdHejn qRhhlaROSllIUNe0YrpKxjbDvqeoFGAI5PIv1ks4= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Jing Xiangfeng , Andy Shevchenko , Mika Westerberg Subject: [PATCH 4.19 068/101] thunderbolt: Add the missed ida_simple_remove() in ring_request_msix() Date: Tue, 17 Nov 2020 14:05:35 +0100 Message-Id: <20201117122116.424256053@linuxfoundation.org> X-Mailer: git-send-email 2.29.2 In-Reply-To: <20201117122113.128215851@linuxfoundation.org> References: <20201117122113.128215851@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: Jing Xiangfeng commit 7342ca34d931a357d408aaa25fadd031e46af137 upstream. ring_request_msix() misses to call ida_simple_remove() in an error path. Add a label 'err_ida_remove' and jump to it. Fixes: 046bee1f9ab8 ("thunderbolt: Add MSI-X support") Cc: stable@vger.kernel.org Signed-off-by: Jing Xiangfeng Reviewed-by: Andy Shevchenko Signed-off-by: Mika Westerberg Signed-off-by: Greg Kroah-Hartman --- drivers/thunderbolt/nhi.c | 19 +++++++++++++++---- 1 file changed, 15 insertions(+), 4 deletions(-) --- a/drivers/thunderbolt/nhi.c +++ b/drivers/thunderbolt/nhi.c @@ -408,12 +408,23 @@ static int ring_request_msix(struct tb_r ring->vector = ret; - ring->irq = pci_irq_vector(ring->nhi->pdev, ring->vector); - if (ring->irq < 0) - return ring->irq; + ret = pci_irq_vector(ring->nhi->pdev, ring->vector); + if (ret < 0) + goto err_ida_remove; + + ring->irq = ret; irqflags = no_suspend ? IRQF_NO_SUSPEND : 0; - return request_irq(ring->irq, ring_msix, irqflags, "thunderbolt", ring); + ret = request_irq(ring->irq, ring_msix, irqflags, "thunderbolt", ring); + if (ret) + goto err_ida_remove; + + return 0; + +err_ida_remove: + ida_simple_remove(&nhi->msix_ida, ring->vector); + + return ret; } static void ring_release_msix(struct tb_ring *ring)