From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 3903215CAB for ; Tue, 8 Nov 2022 13:42:19 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 947E5C433D6; Tue, 8 Nov 2022 13:42:18 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1667914939; bh=RPgWZeQsk7Ii1OEQe5xnqbVPH6Zrlog9Oz3tIHsJ+aA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=CVFpeHd9ddJs/DtMkGUTJ4xQq6TjsFEhvq/7MW7AZrhjJGWyYlzV21xLC60j4HnVe ipAtMZD16s1FJCY7YakfT7dT/D/7Q6BWRQINQ0/BQf4DLBYomeNySyjiVCYeDQNlN0 XKmYTZ8a8k+yjKkFMByUtSVLAEXHawmjAIVjh2WE= 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 4.9 12/30] isdn: mISDN: netjet: fix wrong check of device registration Date: Tue, 8 Nov 2022 14:39:00 +0100 Message-Id: <20221108133327.134840549@linuxfoundation.org> X-Mailer: git-send-email 2.38.1 In-Reply-To: <20221108133326.715586431@linuxfoundation.org> References: <20221108133326.715586431@linuxfoundation.org> User-Agent: quilt/0.67 Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit 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 feada9d7cbcc..a549a18e4619 100644 --- a/drivers/isdn/hardware/mISDN/netjet.c +++ b/drivers/isdn/hardware/mISDN/netjet.c @@ -970,7 +970,7 @@ 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