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=-18.8 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI,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 6183FC433B4 for ; Mon, 5 Apr 2021 08:58:53 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 39B566139C for ; Mon, 5 Apr 2021 08:58:53 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236214AbhDEI64 (ORCPT ); Mon, 5 Apr 2021 04:58:56 -0400 Received: from mail.kernel.org ([198.145.29.99]:38430 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233572AbhDEI6S (ORCPT ); Mon, 5 Apr 2021 04:58:18 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id CC2F361393; Mon, 5 Apr 2021 08:58:10 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1617613091; bh=5Ehj5N/tSQWrXRkvQKBeaICQFu0Skdk1ytPhzACGuSk=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=uh0d0F00YsZmjbUwWHJx/D5OVw2/P0Cv+z4MDt056jYZq9x+f2IKFw4y98vt4saCo cRcDiv3WUEeqtdDFjB1KRloEU4VaAUJ6/zANb+55ef85WIL6a1b2mgV6I2dhtb4PAd yKirAaS2RksPoYaH9jJFyhT9+kQ7GyabBD2Fxn/Q= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Ian Abbott , Tong Zhang , Sasha Levin Subject: [PATCH 4.14 16/52] staging: comedi: cb_pcidas64: fix request_irq() warn Date: Mon, 5 Apr 2021 10:53:42 +0200 Message-Id: <20210405085022.534890992@linuxfoundation.org> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20210405085021.996963957@linuxfoundation.org> References: <20210405085021.996963957@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: Tong Zhang [ Upstream commit d2d106fe3badfc3bf0dd3899d1c3f210c7203eab ] request_irq() wont accept a name which contains slash so we need to repalce it with something else -- otherwise it will trigger a warning and the entry in /proc/irq/ will not be created since the .name might be used by userspace and we don't want to break userspace, so we are changing the parameters passed to request_irq() [ 1.565966] name 'pci-das6402/16' [ 1.566149] WARNING: CPU: 0 PID: 184 at fs/proc/generic.c:180 __xlate_proc_name+0x93/0xb0 [ 1.568923] RIP: 0010:__xlate_proc_name+0x93/0xb0 [ 1.574200] Call Trace: [ 1.574722] proc_mkdir+0x18/0x20 [ 1.576629] request_threaded_irq+0xfe/0x160 [ 1.576859] auto_attach+0x60a/0xc40 [cb_pcidas64] Suggested-by: Ian Abbott Reviewed-by: Ian Abbott Signed-off-by: Tong Zhang Link: https://lore.kernel.org/r/20210315195814.4692-1-ztong0001@gmail.com Signed-off-by: Greg Kroah-Hartman Signed-off-by: Sasha Levin --- drivers/staging/comedi/drivers/cb_pcidas64.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/staging/comedi/drivers/cb_pcidas64.c b/drivers/staging/comedi/drivers/cb_pcidas64.c index b761f000c1dc..8c6ac7f37599 100644 --- a/drivers/staging/comedi/drivers/cb_pcidas64.c +++ b/drivers/staging/comedi/drivers/cb_pcidas64.c @@ -4032,7 +4032,7 @@ static int auto_attach(struct comedi_device *dev, init_stc_registers(dev); retval = request_irq(pcidev->irq, handle_interrupt, IRQF_SHARED, - dev->board_name, dev); + "cb_pcidas64", dev); if (retval) { dev_dbg(dev->class_dev, "unable to allocate irq %u\n", pcidev->irq); -- 2.30.1