rfkill: print events when input handler is disabled/enabled
It is useful for debugging when we know if something disabled the in-kernel rfkill input handler. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Acked-by: Marcel Holtmann <marcel@holtmann.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
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@ -1134,7 +1134,8 @@ static int rfkill_fop_release(struct inode *inode, struct file *file)
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#ifdef CONFIG_RFKILL_INPUT
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#ifdef CONFIG_RFKILL_INPUT
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if (data->input_handler)
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if (data->input_handler)
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atomic_dec(&rfkill_input_disabled);
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if (atomic_dec_return(&rfkill_input_disabled) == 0)
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printk(KERN_DEBUG "rfkill: input handler enabled\n");
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#endif
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#endif
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kfree(data);
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kfree(data);
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@ -1157,7 +1158,8 @@ static long rfkill_fop_ioctl(struct file *file, unsigned int cmd,
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mutex_lock(&data->mtx);
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mutex_lock(&data->mtx);
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if (!data->input_handler) {
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if (!data->input_handler) {
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atomic_inc(&rfkill_input_disabled);
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if (atomic_inc_return(&rfkill_input_disabled) == 1)
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printk(KERN_DEBUG "rfkill: input handler disabled\n");
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data->input_handler = true;
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data->input_handler = true;
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}
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}
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