From patchwork Mon Aug 5 14:47:19 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Lokesh Vutla X-Patchwork-Id: 2838734 Return-Path: X-Original-To: patchwork-linux-arm@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork2.web.kernel.org (Postfix) with ESMTP id DDA5DBF535 for ; Mon, 5 Aug 2013 14:49:45 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id C0D5C201E2 for ; Mon, 5 Aug 2013 14:49:44 +0000 (UTC) Received: from casper.infradead.org (casper.infradead.org [85.118.1.10]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 0A30A20211 for ; Mon, 5 Aug 2013 14:49:43 +0000 (UTC) Received: from merlin.infradead.org ([2001:4978:20e::2]) by casper.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1V6M5c-0002Sn-Ab; Mon, 05 Aug 2013 14:48:53 +0000 Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1V6M5I-0005o3-Fg; Mon, 05 Aug 2013 14:48:32 +0000 Received: from comal.ext.ti.com ([198.47.26.152]) by merlin.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1V6M4v-0005it-Qa for linux-arm-kernel@lists.infradead.org; Mon, 05 Aug 2013 14:48:11 +0000 Received: from dlelxv90.itg.ti.com ([172.17.2.17]) by comal.ext.ti.com (8.13.7/8.13.7) with ESMTP id r75Ela77018386; Mon, 5 Aug 2013 09:47:36 -0500 Received: from DFLE72.ent.ti.com (dfle72.ent.ti.com [128.247.5.109]) by dlelxv90.itg.ti.com (8.14.3/8.13.8) with ESMTP id r75ElabF027036; Mon, 5 Aug 2013 09:47:36 -0500 Received: from dlelxv22.itg.ti.com (172.17.1.197) by DFLE72.ent.ti.com (128.247.5.109) with Microsoft SMTP Server id 14.2.342.3; Mon, 5 Aug 2013 09:47:36 -0500 Received: from a0131933lt.apr.dhcp.ti.com (a0131933lt.apr.dhcp.ti.com [172.24.159.126]) by dlelxv22.itg.ti.com (8.13.8/8.13.8) with ESMTP id r75ElReu001690; Mon, 5 Aug 2013 09:47:34 -0500 From: Lokesh Vutla To: Subject: [PATCH 2/6] hwrng: OMAP: Convert to devm_kzalloc() Date: Mon, 5 Aug 2013 20:17:19 +0530 Message-ID: <1375714043-23407-3-git-send-email-lokeshvutla@ti.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1375714043-23407-1-git-send-email-lokeshvutla@ti.com> References: <1375714043-23407-1-git-send-email-lokeshvutla@ti.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20130805_104810_009177_6CABCCB4 X-CRM114-Status: UNSURE ( 8.34 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -6.9 (------) Cc: dsaxena@plexity.net, Lokesh Vutla , herbert@gondor.hengli.com.au, linux-crypto@vger.kernel.org, mpm@selenic.com, linux-arm-kernel@lists.infradead.org X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Spam-Status: No, score=-4.2 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_MED, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Use devm_kzalloc() to make cleanup paths simpler. Signed-off-by: Lokesh Vutla --- drivers/char/hw_random/omap-rng.c | 9 ++------- 1 file changed, 2 insertions(+), 7 deletions(-) diff --git a/drivers/char/hw_random/omap-rng.c b/drivers/char/hw_random/omap-rng.c index 3e9a7ec..9c19396 100644 --- a/drivers/char/hw_random/omap-rng.c +++ b/drivers/char/hw_random/omap-rng.c @@ -109,7 +109,8 @@ static int omap_rng_probe(struct platform_device *pdev) struct omap_rng_private_data *priv; int ret; - priv = kzalloc(sizeof(struct omap_rng_private_data), GFP_KERNEL); + priv = devm_kzalloc(&pdev->dev, sizeof(struct omap_rng_private_data), + GFP_KERNEL); if (!priv) { dev_err(&pdev->dev, "could not allocate memory\n"); return -ENOMEM; @@ -144,8 +145,6 @@ err_register: priv->base = NULL; pm_runtime_disable(&pdev->dev); err_ioremap: - kfree(priv); - return ret; } @@ -160,10 +159,6 @@ static int __exit omap_rng_remove(struct platform_device *pdev) pm_runtime_put_sync(&pdev->dev); pm_runtime_disable(&pdev->dev); - release_mem_region(priv->mem_res->start, resource_size(priv->mem_res)); - - kfree(priv); - return 0; }