From patchwork Thu Aug 25 21:44:13 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Michael Walle X-Patchwork-Id: 12955252 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 AEBE0ECAAD1 for ; Thu, 25 Aug 2022 21:45:46 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S244041AbiHYVpo (ORCPT ); Thu, 25 Aug 2022 17:45:44 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:45088 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S244033AbiHYVoy (ORCPT ); Thu, 25 Aug 2022 17:44:54 -0400 Received: from mail.3ffe.de (0001.3ffe.de [159.69.201.130]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 3AD3A240BC; Thu, 25 Aug 2022 14:44:50 -0700 (PDT) Received: from mwalle01.kontron.local. (unknown [213.135.10.150]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mail.3ffe.de (Postfix) with ESMTPSA id 133A87F31; Thu, 25 Aug 2022 23:44:38 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=walle.cc; s=mail2022082101; t=1661463878; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=NgLen7ZHBqbaEWUEF25Dd4sUxZqmNPV1jG0lui9seU8=; b=VcqoGrhLt0c3LRfQ2ZcqfMCdqELmHOQRt7EuuHArdq4lvVDTdutbAkdsWIhVK4ynt3vvBk lTqjBwxDVQ/b+HCJJSXLe8mG4KD7ZbbwsLQ5E6+wiiQLgx3YvhoCL5hOeRBU+7209QsH2J 2YXZ0DKqzbs7e4ZBerGP+WbfzNoNr0dmVXwwMataxbjLXqphHM9Z9pLnGIFkvihuz7VAyy RxiARaM+V0u0pRJpT24ioa3X0Buu193+e3+Rm4HtplXGSsM+dP+0ENXFb+sXbCcTUyR3N/ yn8Y6/fZUzcuJmF4IVkw9TcltcuRM41CDe73f2odmeNwqcuXfTav49Ptd06nZQ== From: Michael Walle To: Miquel Raynal , Richard Weinberger , Vignesh Raghavendra , Rob Herring , Krzysztof Kozlowski , Srinivas Kandagatla , Shawn Guo , Li Yang , =?utf-8?b?UmFmYcWCIE1pxYJlY2tp?= , "David S . Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Frank Rowand Cc: linux-mtd@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, netdev@vger.kernel.org, Ahmad Fatoum , Michael Walle Subject: [PATCH v1 04/14] nvmem: core: drop the removal of the cells in nvmem_add_cells() Date: Thu, 25 Aug 2022 23:44:13 +0200 Message-Id: <20220825214423.903672-5-michael@walle.cc> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20220825214423.903672-1-michael@walle.cc> References: <20220825214423.903672-1-michael@walle.cc> MIME-Version: 1.0 X-Spam: Yes Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org If nvmem_add_cells() fails, the whole nvmem_register() will fail and the cells will then be removed anyway. This is a prepartion to introduce a nvmem_add_one_cell() which can then be used by nvmem_add_cells(). This is then the same to what nvmem_add_cells_from_table() and nvmem_add_cells_from_of() do. Signed-off-by: Michael Walle --- drivers/nvmem/core.c | 14 ++++---------- 1 file changed, 4 insertions(+), 10 deletions(-) diff --git a/drivers/nvmem/core.c b/drivers/nvmem/core.c index ab055e4fc409..be38e62fd190 100644 --- a/drivers/nvmem/core.c +++ b/drivers/nvmem/core.c @@ -515,7 +515,7 @@ static int nvmem_add_cells(struct nvmem_device *nvmem, int ncells) { struct nvmem_cell_entry **cells; - int i, rval; + int i, rval = 0; cells = kcalloc(ncells, sizeof(*cells), GFP_KERNEL); if (!cells) @@ -525,28 +525,22 @@ static int nvmem_add_cells(struct nvmem_device *nvmem, cells[i] = kzalloc(sizeof(**cells), GFP_KERNEL); if (!cells[i]) { rval = -ENOMEM; - goto err; + goto out; } rval = nvmem_cell_info_to_nvmem_cell_entry(nvmem, &info[i], cells[i]); if (rval) { kfree(cells[i]); - goto err; + goto out; } nvmem_cell_entry_add(cells[i]); } +out: /* remove tmp array */ kfree(cells); - return 0; -err: - while (i--) - nvmem_cell_entry_drop(cells[i]); - - kfree(cells); - return rval; }