From nobody Fri Sep 5 20:23:14 2025 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 9C77DC32796 for ; Tue, 23 Aug 2022 11:27:44 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1357380AbiHWLZ6 (ORCPT ); Tue, 23 Aug 2022 07:25:58 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50728 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1351841AbiHWLUQ (ORCPT ); Tue, 23 Aug 2022 07:20:16 -0400 Received: from ams.source.kernel.org (ams.source.kernel.org [145.40.68.75]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C849E75CC7; Tue, 23 Aug 2022 02:22:33 -0700 (PDT) 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 ams.source.kernel.org (Postfix) with ESMTPS id 456BAB8105C; Tue, 23 Aug 2022 09:22:31 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 8DF42C433D7; Tue, 23 Aug 2022 09:22:29 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1661246550; bh=GuioARgipAjckdAdajthvc005UG73r+y/SYqcn3+24w=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Ovp5lokzLzu/9Y5SuB0tMMP+ZmCTSWWkwiu+4rvp3MiTI4y5+4zhzy9oikUSvqmGS Zj9BI35IqjXfX2ZGzMTQmCmZDzP4SUQFxb46xZegmgHzhdjKoi+RMkW0ovmTQROvGh nzazswe+lw4EsXgAA7kmtKatvBQeIsQxm1Go3xMU= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Hangyu Hua , Kalle Valo , Sasha Levin Subject: [PATCH 5.4 146/389] wifi: libertas: Fix possible refcount leak in if_usb_probe() Date: Tue, 23 Aug 2022 10:23:44 +0200 Message-Id: <20220823080121.696144044@linuxfoundation.org> X-Mailer: git-send-email 2.37.2 In-Reply-To: <20220823080115.331990024@linuxfoundation.org> References: <20220823080115.331990024@linuxfoundation.org> User-Agent: quilt/0.67 MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" From: Hangyu Hua [ Upstream commit 6fd57e1d120bf13d4dc6c200a7cf914e6347a316 ] usb_get_dev will be called before lbs_get_firmware_async which means that usb_put_dev need to be called when lbs_get_firmware_async fails. Fixes: ce84bb69f50e ("libertas USB: convert to asynchronous firmware loadin= g") Signed-off-by: Hangyu Hua Signed-off-by: Kalle Valo Link: https://lore.kernel.org/r/20220620092350.39960-1-hbh25y@gmail.com Link: https://lore.kernel.org/r/20220622113402.16969-1-colin.i.king@gmail.c= om Signed-off-by: Sasha Levin --- drivers/net/wireless/marvell/libertas/if_usb.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/net/wireless/marvell/libertas/if_usb.c b/drivers/net/w= ireless/marvell/libertas/if_usb.c index 5d6dc1dd050d..32fdc4150b60 100644 --- a/drivers/net/wireless/marvell/libertas/if_usb.c +++ b/drivers/net/wireless/marvell/libertas/if_usb.c @@ -287,6 +287,7 @@ static int if_usb_probe(struct usb_interface *intf, return 0; =20 err_get_fw: + usb_put_dev(udev); lbs_remove_card(priv); err_add_card: if_usb_reset_device(cardp); --=20 2.35.1