From patchwork Tue Apr 7 10:21:49 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "gregkh@linuxfoundation.org" X-Patchwork-Id: 228179 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=-6.9 required=3.0 tests=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=ham 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 372ABC2BB54 for ; Tue, 7 Apr 2020 10:24:03 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 0F84F2078C for ; Tue, 7 Apr 2020 10:24:03 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1586255043; bh=khVOaY2ujlcX/REye0ztyWAGD+5eMAaXklsRDjNbiUc=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=BEJCuUVt6XM2nsT/eAPiKWq/1j1q/X8HKErfAyXURzSOJjrjlU1vE13xahXpY1Brp sLlEzWERZvmQgr7xmdhJW4zbM94URYvG4zyYvKNfr+T5Iji6YM5z9jI9eLA80RcQdS 8rW6iZSVyeMDC/jxD6fAE/K0Gg6Kw0vm1i9c4nBE= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728620AbgDGKYC (ORCPT ); Tue, 7 Apr 2020 06:24:02 -0400 Received: from mail.kernel.org ([198.145.29.99]:34078 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728618AbgDGKYB (ORCPT ); Tue, 7 Apr 2020 06:24:01 -0400 Received: from localhost (83-86-89-107.cable.dynamic.v4.ziggo.nl [83.86.89.107]) (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 5096920771; Tue, 7 Apr 2020 10:24:00 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1586255040; bh=khVOaY2ujlcX/REye0ztyWAGD+5eMAaXklsRDjNbiUc=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=xG/Hcl/1OH6kr5CgV/v4XctqxsjDlxteq2VfGhs5jML339ylR+CeyLRwVYZ2L3A/K +aUI0WsJLufPJnNtVYHxRMVfddLZOeZyyiPWIobHmHOoBzBdYTWuhlY9Iy9TnwS8tw Dss/RKSw8rFkUnYS6n6d8nKue3fj2H7Ec5BRFCbU= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Kishon Vijay Abraham I , Lorenzo Pieralisi Subject: [PATCH 5.4 16/36] misc: pci_endpoint_test: Fix to support > 10 pci-endpoint-test devices Date: Tue, 7 Apr 2020 12:21:49 +0200 Message-Id: <20200407101456.432547601@linuxfoundation.org> X-Mailer: git-send-email 2.26.0 In-Reply-To: <20200407101454.281052964@linuxfoundation.org> References: <20200407101454.281052964@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Sender: stable-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Kishon Vijay Abraham I commit 6b443e5c80b67a7b8a85b33d052d655ef9064e90 upstream. Adding more than 10 pci-endpoint-test devices results in "kobject_add_internal failed for pci-endpoint-test.1 with -EEXIST, don't try to register things with the same name in the same directory". This is because commit 2c156ac71c6b ("misc: Add host side PCI driver for PCI test function device") limited the length of the "name" to 20 characters. Change the length of the name to 24 in order to support upto 10000 pci-endpoint-test devices. Fixes: 2c156ac71c6b ("misc: Add host side PCI driver for PCI test function device") Signed-off-by: Kishon Vijay Abraham I Signed-off-by: Lorenzo Pieralisi Cc: stable@vger.kernel.org # v4.14+ Signed-off-by: Greg Kroah-Hartman --- drivers/misc/pci_endpoint_test.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/drivers/misc/pci_endpoint_test.c +++ b/drivers/misc/pci_endpoint_test.c @@ -633,7 +633,7 @@ static int pci_endpoint_test_probe(struc { int err; int id; - char name[20]; + char name[24]; enum pci_barno bar; void __iomem *base; struct device *dev = &pdev->dev;