Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1759508Ab3HNI2j (ORCPT ); Wed, 14 Aug 2013 04:28:39 -0400 Received: from na3sys009aog112.obsmtp.com ([74.125.149.207]:45911 "EHLO na3sys009aog112.obsmtp.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756769Ab3HNI2h (ORCPT ); Wed, 14 Aug 2013 04:28:37 -0400 From: Chao Xie To: , , , CC: Chao Xie Subject: [PATCH 1/4] mfd: 88pm800: Fix the bug that pdata may be NULL Date: Wed, 14 Aug 2013 04:28:47 -0400 Message-ID: <1376468930-9794-2-git-send-email-chao.xie@marvell.com> X-Mailer: git-send-email 1.7.4.1 In-Reply-To: <1376468930-9794-1-git-send-email-chao.xie@marvell.com> References: <1376468930-9794-1-git-send-email-chao.xie@marvell.com> MIME-Version: 1.0 Content-Type: text/plain Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1318 Lines: 44 User pass platform data to device, and platform data may be NULL. Add the check for pdata. Signed-off-by: Chao Xie --- drivers/mfd/88pm800.c | 10 ++++++---- 1 files changed, 6 insertions(+), 4 deletions(-) diff --git a/drivers/mfd/88pm800.c b/drivers/mfd/88pm800.c index 6c95483..d4d272f 100644 --- a/drivers/mfd/88pm800.c +++ b/drivers/mfd/88pm800.c @@ -333,9 +333,11 @@ static int device_rtc_init(struct pm80x_chip *chip, { int ret; - rtc_devs[0].platform_data = pdata->rtc; - rtc_devs[0].pdata_size = - pdata->rtc ? sizeof(struct pm80x_rtc_pdata) : 0; + if (pdata) { + rtc_devs[0].platform_data = pdata->rtc; + rtc_devs[0].pdata_size = + pdata->rtc ? sizeof(struct pm80x_rtc_pdata) : 0; + } ret = mfd_add_devices(chip->dev, 0, &rtc_devs[0], ARRAY_SIZE(rtc_devs), NULL, 0, NULL); if (ret) { @@ -578,7 +580,7 @@ static int pm800_probe(struct i2c_client *client, goto err_device_init; } - if (pdata->plat_config) + if (pdata && pdata->plat_config) pdata->plat_config(chip, pdata); return 0; -- 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/