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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: Pan Xinhui <xinhuix.pan@intel.com> Signed-off-by: Nick Dyer <nick.dyer@itdev.co.uk> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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1 changed files with 6 additions and 0 deletions
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@ -2644,6 +2644,9 @@ static int __maybe_unused mxt_suspend(struct device *dev)
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struct mxt_data *data = i2c_get_clientdata(client);
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struct input_dev *input_dev = data->input_dev;
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if (!input_dev)
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return 0;
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mutex_lock(&input_dev->mutex);
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if (input_dev->users)
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@ -2660,6 +2663,9 @@ static int __maybe_unused mxt_resume(struct device *dev)
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struct mxt_data *data = i2c_get_clientdata(client);
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struct input_dev *input_dev = data->input_dev;
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if (!input_dev)
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return 0;
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mutex_lock(&input_dev->mutex);
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if (input_dev->users)
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