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Commit 50fabb02 authored by Pan Xinhui's avatar Pan Xinhui Committed by Dmitry Torokhov
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Input: atmel_mxt_ts - suspend/resume causes panic if input_dev fails to init 



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: default avatarPan Xinhui <xinhuix.pan@intel.com>
Signed-off-by: default avatarNick Dyer <nick.dyer@itdev.co.uk>
Signed-off-by: default avatarDmitry Torokhov <dmitry.torokhov@gmail.com>
parent 146c6a66

drivers/input/touchscreen/atmel_mxt_ts.c

+6 −0
Original line number Diff line number Diff line
@@ -2644,6 +2644,9 @@ 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)
@@ -2660,6 +2663,9 @@ 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)