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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id DD470C4332F for ; Tue, 8 Nov 2022 14:01:43 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234936AbiKHOBm (ORCPT ); Tue, 8 Nov 2022 09:01:42 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35822 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234943AbiKHOBh (ORCPT ); Tue, 8 Nov 2022 09:01:37 -0500 Received: from sin.source.kernel.org (sin.source.kernel.org [IPv6:2604:1380:40e1:4800::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 3978B68685 for ; Tue, 8 Nov 2022 06:01:36 -0800 (PST) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by sin.source.kernel.org (Postfix) with ESMTPS id 86630CE1B9D for ; Tue, 8 Nov 2022 14:01:34 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 41E54C433D6; Tue, 8 Nov 2022 14:01:32 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1667916092; bh=GCabpm9/xT/smrh0ODekTqJWCGTUD8Odg3wfKwulJ6A=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Tn+Soi0lVxbKupdU3jUuOW9m6uXKJ29+653qZqvx98SRDu5HAg6Fz7ib8DJKlXr3g P8+oyNgVOeRbHZO6nVhpwN5o4gIM1q4BzlQj33vOHLhXAI2uy90kCKFlYqxaKo82Fv DFLJQWGgr/McdVcFBkxnfYxjpKos/8aZLu2uX7/w= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Yang Yingliang , "David S. Miller" , Sasha Levin Subject: [PATCH 5.15 043/144] isdn: mISDN: netjet: fix wrong check of device registration Date: Tue, 8 Nov 2022 14:38:40 +0100 Message-Id: <20221108133347.093931085@linuxfoundation.org> X-Mailer: git-send-email 2.38.1 In-Reply-To: <20221108133345.346704162@linuxfoundation.org> References: <20221108133345.346704162@linuxfoundation.org> User-Agent: quilt/0.67 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Yang Yingliang [ Upstream commit bf00f5426074249058a106a6edbb89e4b25a4d79 ] The class is set in mISDN_register_device(), but if device_add() returns error, it will lead to delete a device without added, fix this by using device_is_registered() to check if the device is registered. Fixes: a900845e5661 ("mISDN: Add support for Traverse Technologies NETJet PCI cards") Signed-off-by: Yang Yingliang Signed-off-by: David S. Miller Signed-off-by: Sasha Levin --- drivers/isdn/hardware/mISDN/netjet.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/isdn/hardware/mISDN/netjet.c b/drivers/isdn/hardware/mISDN/netjet.c index a52f275f8263..f8447135a902 100644 --- a/drivers/isdn/hardware/mISDN/netjet.c +++ b/drivers/isdn/hardware/mISDN/netjet.c @@ -956,7 +956,7 @@ nj_release(struct tiger_hw *card) } if (card->irq > 0) free_irq(card->irq, card); - if (card->isac.dch.dev.dev.class) + if (device_is_registered(&card->isac.dch.dev.dev)) mISDN_unregister_device(&card->isac.dch.dev); for (i = 0; i < 2; i++) { -- 2.35.1