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=-9.8 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable 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 466EDC432C0 for ; Fri, 22 Nov 2019 11:27:30 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 1B1E920679 for ; Fri, 22 Nov 2019 11:27:30 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1574422050; bh=NRLAl6V12SzZIvNvM/58GkrMfGcZ5KGi5UFCtt3HtR4=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=kDInGB8m4i9DimMBx2uLLcZjwxt0fUBqOyKYHbODLjBsrRvM6KomktKzdlYGOjqPI kIbK8Yg5a71AXhXghD9+D9Bcq73zsVnsO5q/7InNOwmZX1ke8ofWlI6dlMkrj7OOT8 1UJVEHMZfKI2Ke9ZxQ3Hzm0IAgmfvPunLUAqDHDQ= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727764AbfKVKcn (ORCPT ); Fri, 22 Nov 2019 05:32:43 -0500 Received: from mail.kernel.org ([198.145.29.99]:54474 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727747AbfKVKcm (ORCPT ); Fri, 22 Nov 2019 05:32:42 -0500 Received: from localhost (83-86-89-107.cable.dynamic.v4.ziggo.nl [83.86.89.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id E4B9820714; Fri, 22 Nov 2019 10:32:41 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1574418762; bh=NRLAl6V12SzZIvNvM/58GkrMfGcZ5KGi5UFCtt3HtR4=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=MvZ76YWHk9fFNmmJLfNok5UEohb/qzt0RV+PKSFgy19SFKMzyjs652BWN366JJlwv 5rx4DHrE2i9NiRTIpPXYNBOyoFQQXZUGEOTEKPpmlpBCJqoVLlOa3eCycrRXSYm9xC UBkCgco0pHh8eOq1/eJTK+j8b6jWqXJZ2gFTaidw= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Niklas Cassel , Srinivas Kandagatla , Sasha Levin Subject: [PATCH 4.4 044/159] nvmem: core: return error code instead of NULL from nvmem_device_get Date: Fri, 22 Nov 2019 11:27:15 +0100 Message-Id: <20191122100737.184105147@linuxfoundation.org> X-Mailer: git-send-email 2.24.0 In-Reply-To: <20191122100704.194776704@linuxfoundation.org> References: <20191122100704.194776704@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: stable-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Srinivas Kandagatla [ Upstream commit ca6ac25cecf0e740d7cc8e03e0ebbf8acbeca3df ] nvmem_device_get() should return ERR_PTR() on error or valid pointer on success, but one of the code path seems to return NULL, so fix it. Reported-by: Niklas Cassel Signed-off-by: Srinivas Kandagatla Signed-off-by: Greg Kroah-Hartman Signed-off-by: Sasha Levin --- drivers/nvmem/core.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/nvmem/core.c b/drivers/nvmem/core.c index 931cc33e46f02..5d6d1bb4f1106 100644 --- a/drivers/nvmem/core.c +++ b/drivers/nvmem/core.c @@ -457,7 +457,7 @@ static struct nvmem_device *nvmem_find(const char *name) d = bus_find_device(&nvmem_bus_type, NULL, (void *)name, nvmem_match); if (!d) - return NULL; + return ERR_PTR(-ENOENT); return to_nvmem_device(d); } -- 2.20.1