From patchwork Wed May 19 12:47:17 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Johan Hovold X-Patchwork-Id: 12267175 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-19.4 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 2E1A2C433B4 for ; Wed, 19 May 2021 12:47:51 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 032BA611BF for ; Wed, 19 May 2021 12:47:50 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1353464AbhESMtF (ORCPT ); Wed, 19 May 2021 08:49:05 -0400 Received: from mail.kernel.org ([198.145.29.99]:56450 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233234AbhESMtE (ORCPT ); Wed, 19 May 2021 08:49:04 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id 3DEBB611BF; Wed, 19 May 2021 12:47:45 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1621428465; bh=jDsQgzBa0hZeYn+cxkntyVgDH6tU89hxn6VnTQMi/K4=; h=From:To:Cc:Subject:Date:From; b=el/e4kZrAT+ReFKyC317+KgeCxfTuX8FcyB/eXtOSaU0sTX4UD26flNq08/sydEAp UJamwLkmHee2bCcOyWTapJC9UQwdqfzTE8vJ1rwdPqSPphNFEUXfk6bjElmlI/Bh4+ 6DKpFb82eK9C/KqtR1JCliefSjEYkp/Kg3mm6yssES7h4nx6JiGCz81ka7v4HF3vrG EnW+Bm+ALmmLF1d1O23p1sdT0I4hNEUEM4jpOjtWUayYaAQ+V78xPn9p+D+zT98UIu pWCjwryL1xhp7OwhpNX+dynvIGA2RO3CYOxDhJvtNbsCZdJQqs6A0o1MbtRxHGnGU5 b8SYrQxulgR6w== Received: from johan by xi.lan with local (Exim 4.94.2) (envelope-from ) id 1ljLc0-000879-30; Wed, 19 May 2021 14:47:44 +0200 From: Johan Hovold To: "David S. Miller" Cc: Jakub Kicinski , Dan Carpenter , linux-usb@vger.kernel.org, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, Johan Hovold Subject: [PATCH net] net: hso: bail out on interrupt URB allocation failure Date: Wed, 19 May 2021 14:47:17 +0200 Message-Id: <20210519124717.31144-1-johan@kernel.org> X-Mailer: git-send-email 2.26.3 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org Commit 31db0dbd7244 ("net: hso: check for allocation failure in hso_create_bulk_serial_device()") recently started returning an error when the driver fails to allocate resources for the interrupt endpoint and tiocmget functionality. For consistency let's bail out from probe also if the URB allocation fails. Signed-off-by: Johan Hovold Reviewed-by: Dan Carpenter --- drivers/net/usb/hso.c | 14 +++++++------- 1 file changed, 7 insertions(+), 7 deletions(-) diff --git a/drivers/net/usb/hso.c b/drivers/net/usb/hso.c index 260f850d69eb..b48b2a25210c 100644 --- a/drivers/net/usb/hso.c +++ b/drivers/net/usb/hso.c @@ -2635,14 +2635,14 @@ static struct hso_device *hso_create_bulk_serial_device( } tiocmget->urb = usb_alloc_urb(0, GFP_KERNEL); - if (tiocmget->urb) { - mutex_init(&tiocmget->mutex); - init_waitqueue_head(&tiocmget->waitq); - } else - hso_free_tiomget(serial); - } - else + if (!tiocmget->urb) + goto exit; + + mutex_init(&tiocmget->mutex); + init_waitqueue_head(&tiocmget->waitq); + } else { num_urbs = 1; + } if (hso_serial_common_create(serial, num_urbs, BULK_URB_RX_SIZE, BULK_URB_TX_SIZE))