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 4406D15CAB for ; Tue, 8 Nov 2022 13:48:18 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id B7C4AC433D6; Tue, 8 Nov 2022 13:48:17 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1667915298; bh=KWaQKktsbFlyJSg7oCSpxjfuY1MR5MTrUy/T5IqU3cc=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=eUfxNXhqqFrkW65GJ1fwAJV5KC5CIov0/zzhrCx5dDLW6gBZ0GXSGs9C1XKYEj/Eu KUxchuFwXWf7yU/WEm0yOZyy3oBMzEKaUf2alrftKTTaO4g63YT7tvypd2AbigXMNV X9j312XPi5wgVwsA1LDsAYCMsmt/S0mBZkALp45E= 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 5.4 21/74] isdn: mISDN: netjet: fix wrong check of device registration Date: Tue, 8 Nov 2022 14:38:49 +0100 Message-Id: <20221108133334.588660091@linuxfoundation.org> X-Mailer: git-send-email 2.38.1 In-Reply-To: <20221108133333.659601604@linuxfoundation.org> References: <20221108133333.659601604@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 8299defff55a..6d818d5d1377 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