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=-10.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,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 EBF07C33CAF for ; Thu, 16 Jan 2020 18:05:32 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id C97BC22522 for ; Thu, 16 Jan 2020 18:05:32 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1579197932; bh=OPa98pr8229ebjPXj4IhS5LOxf8G/Y4/ZXRc9zvSDi0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=wsC8+/8L4FqsMF+AHjvTndkKFNnlpkECrDTJ90d2dSuSNg+0MPNaS7IjQGqd0gFLK 0280MKFanGFQ/xusQN7rzF9i/SgCAL4u9ybl/vh3J9BmFHGvQIB8Tsy3kLFVj2Eq1I JJ4TivuNPrHRNSEi+dKuhaqPuqMsx/wp3oDqglnY= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2393577AbgAPRkD (ORCPT ); Thu, 16 Jan 2020 12:40:03 -0500 Received: from mail.kernel.org ([198.145.29.99]:56874 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2393568AbgAPRkC (ORCPT ); Thu, 16 Jan 2020 12:40:02 -0500 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 F024524725; Thu, 16 Jan 2020 17:40:00 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1579196401; bh=OPa98pr8229ebjPXj4IhS5LOxf8G/Y4/ZXRc9zvSDi0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=0CxQLyiqPomsI8VQTrVTc4Kt1HGnzfIzY6+yqcEx2sup78MIAp56T7gkFkjtgKveF svs5T3Qo8rR3KuMLT4PNZETJqKk0NFnhB3hE2tttZ2nyq9vSn7G4u66EKwaWq/bNrC M0JlQ5h1HFKjmBqM0T+tQWr4EkiU8Kbr/YCMvldo= From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Iuliana Prodan , Horia Geanta , Herbert Xu , Sasha Levin , linux-crypto@vger.kernel.org Subject: [PATCH AUTOSEL 4.9 178/251] crypto: caam - free resources in case caam_rng registration failed Date: Thu, 16 Jan 2020 12:35:27 -0500 Message-Id: <20200116173641.22137-138-sashal@kernel.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20200116173641.22137-1-sashal@kernel.org> References: <20200116173641.22137-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Sender: linux-crypto-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-crypto@vger.kernel.org From: Iuliana Prodan [ Upstream commit c59a1d41672a89b5cac49db1a472ff889e35a2d2 ] 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 Signed-off-by: Herbert Xu Signed-off-by: Sasha Levin --- 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 9b92af2c7241..a77319bf221d 100644 --- a/drivers/crypto/caam/caamrng.c +++ b/drivers/crypto/caam/caamrng.c @@ -361,7 +361,10 @@ static int __init caam_rng_init(void) 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); -- 2.20.1