Commit "i2c: core: make it possible to match a pure device tree driver" changed semantics of the i2c probing for device tree devices. Device tree probed devices now get a NULL i2c_device_id pointer. This caused kernel panics due to NULL dereference. Signed-off-by: Tuomas Tynkkynen <ttynkkynen@xxxxxxxxxx> --- drivers/mfd/tps65910.c | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) diff --git a/drivers/mfd/tps65910.c b/drivers/mfd/tps65910.c index d792772..a62c30d 100644 --- a/drivers/mfd/tps65910.c +++ b/drivers/mfd/tps65910.c @@ -461,16 +461,18 @@ static int tps65910_i2c_probe(struct i2c_client *i2c, struct tps65910_board *of_pmic_plat_data = NULL; struct tps65910_platform_data *init_data; int ret = 0; - int chip_id = id->driver_data; + int chip_id = -1; pmic_plat_data = dev_get_platdata(&i2c->dev); - if (!pmic_plat_data && i2c->dev.of_node) { + if (id) { + chip_id = id->driver_data; + } else if (i2c->dev.of_node) { pmic_plat_data = tps65910_parse_dt(i2c, &chip_id); of_pmic_plat_data = pmic_plat_data; } - if (!pmic_plat_data) + if (!pmic_plat_data || chip_id < 0) return -EINVAL; init_data = devm_kzalloc(&i2c->dev, sizeof(*init_data), GFP_KERNEL); -- 1.8.1.5 -- To unsubscribe from this list: send the line "unsubscribe linux-tegra" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html