From: Pan Xinhui <xinhuix.pan@xxxxxxxxx> input_dev may be NULL if mxt_initialize_input_device fails. But pm ops is still available and suspend/resume assume input_dev is not NULL. To fix this issue, we add a check if (!input_dev). Signed-off-by: Pan Xinhui <xinhuix.pan@xxxxxxxxx> Signed-off-by: Nick Dyer <nick.dyer@xxxxxxxxxxx> --- drivers/input/touchscreen/atmel_mxt_ts.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/input/touchscreen/atmel_mxt_ts.c b/drivers/input/touchscreen/atmel_mxt_ts.c index 869dbb3..b83e8a0 100644 --- a/drivers/input/touchscreen/atmel_mxt_ts.c +++ b/drivers/input/touchscreen/atmel_mxt_ts.c @@ -2653,6 +2653,9 @@ static int __maybe_unused mxt_suspend(struct device *dev) struct mxt_data *data = i2c_get_clientdata(client); struct input_dev *input_dev = data->input_dev; + if (!input_dev) + return 0; + mutex_lock(&input_dev->mutex); if (input_dev->users) @@ -2669,6 +2672,9 @@ static int __maybe_unused mxt_resume(struct device *dev) struct mxt_data *data = i2c_get_clientdata(client); struct input_dev *input_dev = data->input_dev; + if (!input_dev) + return 0; + mutex_lock(&input_dev->mutex); if (input_dev->users) -- 2.4.6 -- To unsubscribe from this list: send the line "unsubscribe linux-input" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
