From patchwork Wed Sep 21 09:57:17 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Daniel Walter X-Patchwork-Id: 672755 X-Patchwork-Delegate: boris.brezillon@free-electrons.com Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from bombadil.infradead.org (bombadil.infradead.org [IPv6:2001:1868:205::9]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 3sfFW474J0z9sdn for ; Wed, 21 Sep 2016 20:00:48 +1000 (AEST) Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.85_2 #1 (Red Hat Linux)) id 1bmeJC-0008Su-IK; Wed, 21 Sep 2016 09:59:18 +0000 Received: from mail.sigma-star.at ([95.130.255.111]) by bombadil.infradead.org with esmtp (Exim 4.85_2 #1 (Red Hat Linux)) id 1bmeHd-0007QM-FC for linux-mtd@lists.infradead.org; Wed, 21 Sep 2016 09:57:43 +0000 Received: from localhost (localhost.localdomain [127.0.0.1]) by mail.sigma-star.at (Postfix) with ESMTP id 7FEBD24E0005; Wed, 21 Sep 2016 11:57:19 +0200 (CEST) X-Virus-Scanned: amavisd-new at mail.sigma-star.at Received: from dw (unknown [82.150.214.13]) by mail.sigma-star.at (Postfix) with ESMTPSA id EE65424E0001; Wed, 21 Sep 2016 11:57:17 +0200 (CEST) Received: by dw (sSMTP sendmail emulation); Wed, 21 Sep 2016 11:57:18 +0200 From: Daniel Walter To: linux-mtd@lists.infradead.org Subject: [PATCH v2 43/46] mtd: nandsim: Wire up NANDSIM_IOC_NEW_INSTANCE Date: Wed, 21 Sep 2016 11:57:17 +0200 Message-Id: <7c19d07912a8c93d2ea7fd9c7e3b08d704241b3c.1474450296.git.dwalter@sigma-star.at> X-Mailer: git-send-email 2.8.3 In-Reply-To: References: X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20160921_025741_912718_E34F0840 X-CRM114-Status: GOOD ( 13.71 ) X-Spam-Score: -3.3 (---) X-Spam-Report: SpamAssassin version 3.4.0 on bombadil.infradead.org summary: Content analysis details: (-3.3 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 SPF_PASS SPF: sender matches SPF record -1.4 RP_MATCHES_RCVD Envelope sender domain matches handover relay domain -1.9 BAYES_00 BODY: Bayes spam probability is 0 to 1% [score: 0.0000] X-BeenThere: linux-mtd@lists.infradead.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: boris.brezillon@free-electrons.com, computersforpeace@gmail.com, dwmw2@infradead.org, linux-kernel@vger.kernel.org, Richard Weinberger MIME-Version: 1.0 Sender: "linux-mtd" Errors-To: linux-mtd-bounces+incoming=patchwork.ozlabs.org@lists.infradead.org From: Richard Weinberger Since we have now all what we need we can arm NANDSIM_IOC_NEW_INSTANCE. Signed-off-by: Richard Weinberger --- drivers/mtd/nand/nandsim.c | 31 ++++++++++++++++++++++++++++--- 1 file changed, 28 insertions(+), 3 deletions(-) diff --git a/drivers/mtd/nand/nandsim.c b/drivers/mtd/nand/nandsim.c index d0cc24d..bb30763 100644 --- a/drivers/mtd/nand/nandsim.c +++ b/drivers/mtd/nand/nandsim.c @@ -2900,10 +2900,35 @@ out: static long ns_ctrl_ioctl(struct file *file, unsigned int cmd, unsigned long arg) { - if (!capable(CAP_SYS_RESOURCE)) - return -EPERM; + int ret; + void __user *argp = (void __user *)arg; + + if (!capable(CAP_SYS_RESOURCE)) { + ret = -EPERM; + goto out; + } + + switch (cmd) { + case NANDSIM_IOC_NEW_INSTANCE: + { + struct ns_new_instance_req req; + + ret = copy_from_user(&req, argp, sizeof(struct ns_new_instance_req)); + if (ret) { + ret = -EFAULT; + goto out; + } - return -ENOTTY; + ret = ns_ctrl_new_instance(&req, argp + sizeof(req)); + break; + } + + default: + ret = -ENOTTY; + } + +out: + return ret; } #ifdef CONFIG_COMPAT