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=-19.2 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,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 734E0C433C1 for ; Thu, 25 Mar 2021 11:34:57 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 2B968601FF for ; Thu, 25 Mar 2021 11:34:57 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231853AbhCYLe0 (ORCPT ); Thu, 25 Mar 2021 07:34:26 -0400 Received: from mail.kernel.org ([198.145.29.99]:36180 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231285AbhCYL2R (ORCPT ); Thu, 25 Mar 2021 07:28:17 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id 88C9D61A38; Thu, 25 Mar 2021 11:27:17 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1616671638; bh=NGSlsmo47bIYoxtcmA52q8ZvJWu6GfVqkSLzY0Um5GM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=rHxa0AArqSea7jwBHo2zdQmqATtRBQVVhoLp2gkP4baaiUTbKtv2K8Z+48XI6knC0 uRoESKRzMakhWSkggxb6S9j7Ea2+wNMF1IwxTAgOqnPEK8boVbK7hO9nsSBRr7HKVy AtGVjhESkQLc8AMWlrVf5Lb3Nzmw2wd/avCJF53fNdejSAVMx0T8E13YlVPKIMlrj0 6Mev6aPQpsXbru51ESLGeDI9Mi+iZsExp6KbanJL5mbLR7yTmJxbOMHZqM//rd/zw2 rq6jVpA4bMRPiGwoKDTTwsKFwp5+vRLp9NLUmd97Wo/sms6IpdHfbTLHDe+VHIkEoJ lshNrDii3sboA== From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Tong Zhang , Ian Abbott , Greg Kroah-Hartman , Sasha Levin , linux-staging@lists.linux.dev Subject: [PATCH AUTOSEL 5.4 20/24] staging: comedi: cb_pcidas64: fix request_irq() warn Date: Thu, 25 Mar 2021 07:26:46 -0400 Message-Id: <20210325112651.1927828-20-sashal@kernel.org> X-Mailer: git-send-email 2.30.1 In-Reply-To: <20210325112651.1927828-1-sashal@kernel.org> References: <20210325112651.1927828-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore 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 e1774e09a320..9fe8b65cd9e3 100644 --- a/drivers/staging/comedi/drivers/cb_pcidas64.c +++ b/drivers/staging/comedi/drivers/cb_pcidas64.c @@ -4035,7 +4035,7 @@ 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