Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754111Ab1DTHo4 (ORCPT ); Wed, 20 Apr 2011 03:44:56 -0400 Received: from metis.ext.pengutronix.de ([92.198.50.35]:41045 "EHLO metis.ext.pengutronix.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752670Ab1DTHoz (ORCPT ); Wed, 20 Apr 2011 03:44:55 -0400 From: =?UTF-8?q?Uwe=20Kleine-K=C3=B6nig?= To: Greg Kroah-Hartman Cc: linux-kernel@vger.kernel.org, kernel@pengutronix.de, Viresh Kumar , shiraz.hashim@st.com, =?UTF-8?q?Micha=C5=82=20Miros=C5=82aw?= , linux-arm-kernel@lists.infradead.org Subject: [PATCH v2 1/5] driver core/platform_device_add_data: set platform_data to NULL if !data Date: Wed, 20 Apr 2011 09:44:42 +0200 Message-Id: <1303285486-28598-1-git-send-email-u.kleine-koenig@pengutronix.de> X-Mailer: git-send-email 1.7.4.1 In-Reply-To: <20110420074248.GS31131@pengutronix.de> References: <20110420074248.GS31131@pengutronix.de> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-SA-Exim-Connect-IP: 2001:6f8:1178:2:215:17ff:fe12:23b0 X-SA-Exim-Mail-From: ukl@pengutronix.de X-SA-Exim-Scanned: No (on metis.ext.pengutronix.de); SAEximRunCond expanded to false X-PTX-Original-Recipient: linux-kernel@vger.kernel.org Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1390 Lines: 51 This makes the data = NULL case more consistent to the data != NULL case. The functional change is that now platform_device_add_data(somepdev, NULL, somesize) sets pdev->dev.platform_data to NULL instead of not touching it. Reviewed-by: Viresh Kumar Signed-off-by: Uwe Kleine-König --- drivers/base/platform.c | 17 ++++++++--------- 1 files changed, 8 insertions(+), 9 deletions(-) diff --git a/drivers/base/platform.c b/drivers/base/platform.c index 9e0e4fc..65cb4c3 100644 --- a/drivers/base/platform.c +++ b/drivers/base/platform.c @@ -220,17 +220,16 @@ EXPORT_SYMBOL_GPL(platform_device_add_resources); int platform_device_add_data(struct platform_device *pdev, const void *data, size_t size) { - void *d; + void *d = NULL; - if (!data) - return 0; - - d = kmemdup(data, size, GFP_KERNEL); - if (d) { - pdev->dev.platform_data = d; - return 0; + if (data) { + d = kmemdup(data, size, GFP_KERNEL); + if (!d) + return -ENOMEM; } - return -ENOMEM; + + pdev->dev.platform_data = d; + return 0; } EXPORT_SYMBOL_GPL(platform_device_add_data); -- 1.7.4.1 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/