From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Krzysztof Kozlowski , Chanwoo Choi Subject: [PATCH 3.10 04/77] extcon: max8997: Fix NULL pointer exception on missing pdata Date: Sat, 28 Jun 2014 10:45:57 -0700 Message-Id: <20140628174521.910231353@linuxfoundation.org> In-Reply-To: <20140628174521.691276402@linuxfoundation.org> References: <20140628174521.691276402@linuxfoundation.org> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Sender: linux-kernel-owner@vger.kernel.org List-ID: 3.10-stable review patch. If anyone has any objections, please let me know. ------------------ From: Krzysztof Kozlowski commit dfee4111febf3d9ef3a640b2cd6205c75f4e7e3d upstream. Fix NULL pointer exception when platform data is not supplied. The driver dereferenced pdata pointer where it could be NULL. Signed-off-by: Krzysztof Kozlowski Fixes: 810d601f07c Signed-off-by: Chanwoo Choi Signed-off-by: Greg Kroah-Hartman --- drivers/extcon/extcon-max8997.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/drivers/extcon/extcon-max8997.c +++ b/drivers/extcon/extcon-max8997.c @@ -712,7 +712,7 @@ static int max8997_muic_probe(struct pla goto err_irq; } - if (pdata->muic_pdata) { + if (pdata && pdata->muic_pdata) { struct max8997_muic_platform_data *muic_pdata = pdata->muic_pdata;