Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755345AbaDNLuJ (ORCPT ); Mon, 14 Apr 2014 07:50:09 -0400 Received: from mailout4.samsung.com ([203.254.224.34]:49976 "EHLO mailout4.samsung.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755318AbaDNLuE (ORCPT ); Mon, 14 Apr 2014 07:50:04 -0400 X-AuditID: cbfee61b-b7f456d000006dfd-10-534bcb6b96db From: Robert Baldyga Cc: robh+dt@kernel.org, pawel.moll@arm.com, mark.rutland@arm.com, ijc+devicetree@hellion.org.uk, galak@codeaurora.org, rob@landley.net, myungjoo.ham@samsung.com, cw00.choi@samsung.com, dbaryshkov@gmail.com, dwmw2@infradead.org, balbi@ti.com, gregkh@linuxfoundation.org, grant.likely@linaro.org, ldewangan@nvidia.com, kishon@ti.com, gg@slimlogic.co.uk, anton@enomsg.org, jonghwa3.lee@samsung.com, rongjun.ying@csr.com, linux@roeck-us.net, devicetree@vger.kernel.org, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, patches@opensource.wolfsonmicro.com, linux-usb@vger.kernel.org, linux-omap@vger.kernel.org, aaro.koskinen@iki.fi, m.szyprowski@samsung.com, t.figa@samsung.com, Robert Baldyga Subject: [PATCH v2 13/13] extcon: extcon-max77693: check if pdata exists Date: Mon, 14 Apr 2014 13:46:24 +0200 Message-id: <1397475984-28001-14-git-send-email-r.baldyga@samsung.com> X-Mailer: git-send-email 1.7.9.5 In-reply-to: <1397475984-28001-1-git-send-email-r.baldyga@samsung.com> References: <1397475984-28001-1-git-send-email-r.baldyga@samsung.com> X-Brightmail-Tracker: H4sIAAAAAAAAAzWRW0iTYRzGe/cdtRZfm+aHStigQCnNMnwpCy9SXhihIkHURU73oaLTsXms i1biaambipg5j2k6nYoncmbq53aRWGoYeaFmodPUShBtQpq5YXe//+//wHPx0JjIjHvSiSlp nCpFliwhXfGJv0vMxaQJafQlvtYbmr6HQr7fF/KLj+Hs9ioBy5Y3MVhnnSRgqbEcg7ofDQTU 9d2Co3sDAOa87CLh5LoRwMIPyxicthWRsHm4HYcNeU04nBk0kLC6SYfDxle5GFxueC+AHdYF CjbPfhTAuSetJGz5eUBCfWUHDr9azBTsXKvEYe5bKwWHp/cI2PV8Aw89g0y1JoBmSooFaNBs IJBetwWQ+cUChYwt2ySy7DTgqLfVD/W0FZJovb2KQPOfh0g0UmOiUHHOLxKtlf4hkdmuoVBJ XxuIFN9zDZFzyYkZnCrgZoxrwsjSOlBqqSzNSjmlATuEFrjQLBPElpsXj/g0O/2li9QCV1rE NAJWf1B2dOQL2E9148CRIpkLbJ9d72Q3BmPrK6acjDE2gn29e8PBYgax/Ooc5mCcOceuVFgp BwuZcNYyPnro6cM2H9ZQFuLQLoear9p3xkVMGDuaM4fpgbAeHGsD7pwyTqmOjVdc9lfLFOr0 lHj/uFRFD3AOuuI1ANo0cAwwNJCcEBYYpNEiQpahzlaMAZbGJG7CsP5DJZTLsh9yqtQHqvRk Tj0GvGhc4iHkc69HiZh4WRqXxHFKTvX/K6BdPDXgUd35yO6naWfvSAs3Ei0nF/k3Psc7tyIL 8q4t6TyNU0PBtfLfKjrcPuVtiBo9Zk/wfycOvhpT4lMgt3HgfubgwlgMInoF0d/09oDS7vDq Uza/HVmRdDOo90q0h+628lnETI2YjcjcjfV3354vbiYD8n0395VZWj4/8O6wd4kEVyfIAv0w lVr2D8XUGezMAgAA To: unlisted-recipients:; (no To-header on input) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This patch adds check if pdata is NULL, to avoid NULL pointer dereference when platform data is not available. After this changes, in described situation driver will be configured with default values. Signed-off-by: Robert Baldyga --- drivers/extcon/extcon-max77693.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/extcon/extcon-max77693.c b/drivers/extcon/extcon-max77693.c index 2cd8892..fa8534e 100644 --- a/drivers/extcon/extcon-max77693.c +++ b/drivers/extcon/extcon-max77693.c @@ -1210,7 +1210,7 @@ static int max77693_muic_probe(struct platform_device *pdev) /* Initialize MUIC register by using platform data or default data */ - if (pdata->muic_data) { + if (pdata && pdata->muic_data) { init_data = pdata->muic_data->init_data; num_init_data = pdata->muic_data->num_init_data; } else { -- 1.7.9.5 -- 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/