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=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,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 DC422C32751 for ; Wed, 31 Jul 2019 13:08:46 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id A4258208C3 for ; Wed, 31 Jul 2019 13:08:46 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2388175AbfGaNIp (ORCPT ); Wed, 31 Jul 2019 09:08:45 -0400 Received: from inva021.nxp.com ([92.121.34.21]:42812 "EHLO inva021.nxp.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2388157AbfGaNI0 (ORCPT ); Wed, 31 Jul 2019 09:08:26 -0400 Received: from inva021.nxp.com (localhost [127.0.0.1]) by inva021.eu-rdc02.nxp.com (Postfix) with ESMTP id 33B37200A1E; Wed, 31 Jul 2019 15:08:25 +0200 (CEST) Received: from inva024.eu-rdc02.nxp.com (inva024.eu-rdc02.nxp.com [134.27.226.22]) by inva021.eu-rdc02.nxp.com (Postfix) with ESMTP id 26FFD200042; Wed, 31 Jul 2019 15:08:25 +0200 (CEST) Received: from lorenz.ea.freescale.net (lorenz.ea.freescale.net [10.171.71.5]) by inva024.eu-rdc02.nxp.com (Postfix) with ESMTP id C8916205F3; Wed, 31 Jul 2019 15:08:24 +0200 (CEST) From: Iuliana Prodan To: Herbert Xu , Horia Geanta , Aymen Sghaier Cc: "David S. Miller" , linux-crypto@vger.kernel.org, linux-kernel@vger.kernel.org, linux-imx Subject: [PATCH v5 11/14] crypto: caam - free resources in case caam_rng registration failed Date: Wed, 31 Jul 2019 16:08:12 +0300 Message-Id: <1564578495-9883-12-git-send-email-iuliana.prodan@nxp.com> X-Mailer: git-send-email 2.1.0 In-Reply-To: <1564578495-9883-1-git-send-email-iuliana.prodan@nxp.com> References: <1564578495-9883-1-git-send-email-iuliana.prodan@nxp.com> X-Virus-Scanned: ClamAV using ClamSMTP Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Check the return value of the hardware registration for caam_rng and free resources in case of failure. Fixes: e24f7c9e87d4 ("crypto: caam - hwrng support") Signed-off-by: Iuliana Prodan Reviewed-by: Horia Geanta --- drivers/crypto/caam/caamrng.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/drivers/crypto/caam/caamrng.c b/drivers/crypto/caam/caamrng.c index 561bcb5..54c32d5 100644 --- a/drivers/crypto/caam/caamrng.c +++ b/drivers/crypto/caam/caamrng.c @@ -333,7 +333,10 @@ int caam_rng_init(struct device *ctrldev) goto free_rng_ctx; dev_info(dev, "registering rng-caam\n"); - return hwrng_register(&caam_rng); + + err = hwrng_register(&caam_rng); + if (!err) + return err; free_rng_ctx: kfree(rng_ctx); -- 2.1.0