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 X-Spam-Level: X-Spam-Status: No, score=-9.6 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_PASS,URIBL_BLOCKED,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 E1530ECDE44 for ; Wed, 31 Oct 2018 23:09:32 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id A1DCE20664 for ; Wed, 31 Oct 2018 23:09:32 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="JzPuB1FD" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org A1DCE20664 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730577AbeKAIJl (ORCPT ); Thu, 1 Nov 2018 04:09:41 -0400 Received: from mail.kernel.org ([198.145.29.99]:59732 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730563AbeKAIJk (ORCPT ); Thu, 1 Nov 2018 04:09:40 -0400 Received: from sasha-vm.mshome.net (c-73-47-72-35.hsd1.nh.comcast.net [73.47.72.35]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 1FFD720838; Wed, 31 Oct 2018 23:09:28 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1541027368; bh=iUPLileJR+XKg5ce0/omgpx7o+IlsfrRX/GjJayDE4c=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=JzPuB1FDRbqlYnQTNMeu5aZy0ZvR8XXG75iSoUKc64CFbXICFVex5T0axAW1U4ZQp 4koQOhqkQZXsJfUe4c4aVknq/EhmvlpGRkp3dp5isEHouO5Il5/dDtE0ShuwpqYhOE Bgavs6jk/985qD7HM004dUrGRY5nhN7QyegwKKvE= From: Sasha Levin To: stable@vger.kernel.org, linux-kernel@vger.kernel.org Cc: Bartosz Golaszewski , Srinivas Kandagatla , Greg Kroah-Hartman , Sasha Levin Subject: [PATCH AUTOSEL 4.18 104/126] nvmem: check the return value of nvmem_add_cells() Date: Wed, 31 Oct 2018 19:07:32 -0400 Message-Id: <20181031230754.29029-104-sashal@kernel.org> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20181031230754.29029-1-sashal@kernel.org> References: <20181031230754.29029-1-sashal@kernel.org> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Bartosz Golaszewski [ Upstream commit fa72d847d68d7833b77a4bef944cf2c5baf56f49 ] This function can fail so check its return value in nvmem_register() and act accordingly. Signed-off-by: Bartosz Golaszewski Signed-off-by: Srinivas Kandagatla Signed-off-by: Greg Kroah-Hartman Signed-off-by: Sasha Levin --- drivers/nvmem/core.c | 10 ++++++++-- 1 file changed, 8 insertions(+), 2 deletions(-) diff --git a/drivers/nvmem/core.c b/drivers/nvmem/core.c index 514d1dfc5630..122b52d0ebfd 100644 --- a/drivers/nvmem/core.c +++ b/drivers/nvmem/core.c @@ -518,11 +518,17 @@ struct nvmem_device *nvmem_register(const struct nvmem_config *config) goto err_device_del; } - if (config->cells) - nvmem_add_cells(nvmem, config->cells, config->ncells); + if (config->cells) { + rval = nvmem_add_cells(nvmem, config->cells, config->ncells); + if (rval) + goto err_teardown_compat; + } return nvmem; +err_teardown_compat: + if (config->compat) + device_remove_bin_file(nvmem->base_dev, &nvmem->eeprom); err_device_del: device_del(&nvmem->dev); err_put_device: -- 2.17.1