From b432fc25b5b0311a58772fefe8d07e143600e908 Mon Sep 17 00:00:00 2001 From: Chao Xie Date: Sun, 18 Aug 2013 21:27:54 -0400 Subject: mfd: 88pm800: Fix potential NULL pdata dereference User pass platform data to device, and platform data may be NULL. Add the check for pdata. Signed-off-by: Chao Xie Signed-off-by: Samuel Ortiz --- drivers/mfd/88pm800.c | 10 ++++++---- 1 file changed, 6 insertions(+), 4 deletions(-) diff --git a/drivers/mfd/88pm800.c b/drivers/mfd/88pm800.c index cd9e17471232..a65447d65605 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; -- cgit v1.2.3-59-g8ed1b