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 AE81CCE79D0 for ; Wed, 20 Sep 2023 12:03:33 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235076AbjITMDh (ORCPT ); Wed, 20 Sep 2023 08:03:37 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:33460 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235049AbjITMDh (ORCPT ); Wed, 20 Sep 2023 08:03:37 -0400 Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 9705ACE for ; Wed, 20 Sep 2023 05:03:24 -0700 (PDT) Received: by smtp.kernel.org (Postfix) with ESMTPSA id CA2E2C433CA; Wed, 20 Sep 2023 12:03:23 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1695211404; bh=qDAqrhYA9YnE9+z6M4KE9i6idbTkBTLKFfziP46sxBg=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=W62sIUbc/FPZA81qnnDGx8fQVkhPWn0guetVt/CoG/Ht8adgGsRUftkNV+/U8UFoy IY9g2xvpiePM3bStRSuBdcR819dayL/LbvAQZSgYl+6KCs0NvhVwBQsq89GW3VWmPq 8YLT9jjFdF9MGtfieXlHol3SU/pkJxDgIZB2OsaI= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Dongliang Mu , Hans Verkuil , Sasha Levin Subject: [PATCH 4.14 073/186] drivers: usb: smsusb: fix error handling code in smsusb_init_device Date: Wed, 20 Sep 2023 13:29:36 +0200 Message-ID: <20230920112839.507302871@linuxfoundation.org> X-Mailer: git-send-email 2.42.0 In-Reply-To: <20230920112836.799946261@linuxfoundation.org> References: <20230920112836.799946261@linuxfoundation.org> User-Agent: quilt/0.67 X-stable: review X-Patchwork-Hint: ignore MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org 4.14-stable review patch. If anyone has any objections, please let me know. ------------------ From: Dongliang Mu [ Upstream commit b9c7141f384097fa4fa67d2f72e5731d628aef7c ] The previous commit 4b208f8b561f ("[media] siano: register media controller earlier")moves siano_media_device_register before smscore_register_device, and adds corresponding error handling code if smscore_register_device fails. However, it misses the following error handling code of smsusb_init_device. Fix this by moving error handling code at the end of smsusb_init_device and adding a goto statement in the following error handling parts. Fixes: 4b208f8b561f ("[media] siano: register media controller earlier") Signed-off-by: Dongliang Mu Signed-off-by: Hans Verkuil Signed-off-by: Sasha Levin --- drivers/media/usb/siano/smsusb.c | 21 +++++++++++---------- 1 file changed, 11 insertions(+), 10 deletions(-) diff --git a/drivers/media/usb/siano/smsusb.c b/drivers/media/usb/siano/smsusb.c index 92a6192f9ab2b..1d67b4c1a020c 100644 --- a/drivers/media/usb/siano/smsusb.c +++ b/drivers/media/usb/siano/smsusb.c @@ -467,12 +467,7 @@ static int smsusb_init_device(struct usb_interface *intf, int board_id) rc = smscore_register_device(¶ms, &dev->coredev, mdev); if (rc < 0) { pr_err("smscore_register_device(...) failed, rc %d\n", rc); - smsusb_term_device(intf); -#ifdef CONFIG_MEDIA_CONTROLLER_DVB - media_device_unregister(mdev); -#endif - kfree(mdev); - return rc; + goto err_unregister_device; } smscore_set_board_id(dev->coredev, board_id); @@ -489,8 +484,7 @@ static int smsusb_init_device(struct usb_interface *intf, int board_id) rc = smsusb_start_streaming(dev); if (rc < 0) { pr_err("smsusb_start_streaming(...) failed\n"); - smsusb_term_device(intf); - return rc; + goto err_unregister_device; } dev->state = SMSUSB_ACTIVE; @@ -498,13 +492,20 @@ static int smsusb_init_device(struct usb_interface *intf, int board_id) rc = smscore_start_device(dev->coredev); if (rc < 0) { pr_err("smscore_start_device(...) failed\n"); - smsusb_term_device(intf); - return rc; + goto err_unregister_device; } pr_debug("device 0x%p created\n", dev); return rc; + +err_unregister_device: + smsusb_term_device(intf); +#ifdef CONFIG_MEDIA_CONTROLLER_DVB + media_device_unregister(mdev); +#endif + kfree(mdev); + return rc; } static int smsusb_probe(struct usb_interface *intf, -- 2.40.1