[ACPI] remove /proc files before unloading modules

from Sau Dan Lee, Zhenyu Wang
http://bugzilla.kernel.org/show_bug.cgi?id=2705

drivers/acpi/ac.c

@@ -185,6 +185,9 @@ acpi_ac_remove_fs (
 	ACPI_FUNCTION_TRACE("acpi_ac_remove_fs");
 
 	if (acpi_device_dir(device)) {
+		remove_proc_entry(ACPI_AC_FILE_STATE,
+				  acpi_device_dir(device));
+
 		remove_proc_entry(acpi_device_bid(device), acpi_ac_dir);
 		acpi_device_dir(device) = NULL;
 	}

drivers/acpi/asus_acpi.c

@@ -863,6 +863,29 @@ static int __init asus_hotk_add_fs(struct acpi_device *device)
 	return 0;
 }
 
+static int asus_hotk_remove_fs(struct acpi_device* device)
+{
+	struct asus_hotk* hotk = acpi_driver_data(device);
+
+
+	if(acpi_device_dir(device)){
+		remove_proc_entry(PROC_INFO,acpi_device_dir(device));
+		if (hotk->methods->mt_wled)
+			remove_proc_entry(PROC_WLED,acpi_device_dir(device));
+		if (hotk->methods->mt_mled)
+			remove_proc_entry(PROC_MLED,acpi_device_dir(device));
+		if (hotk->methods->mt_tled)
+			remove_proc_entry(PROC_TLED,acpi_device_dir(device));
+		if (hotk->methods->mt_lcd_switch && hotk->methods->lcd_status) 
+			remove_proc_entry(PROC_LCD, acpi_device_dir(device));
+		if ((hotk->methods->brightness_up && hotk->methods->brightness_down) || (hotk->methods->brightness_get && hotk->methods->brightness_get)) 
+			remove_proc_entry(PROC_BRN, acpi_device_dir(device));
+		if (hotk->methods->display_set) 
+			remove_proc_entry(PROC_DISP, acpi_device_dir(device));
+	}
+	return 0;
+}
+
 
 static void asus_hotk_notify(acpi_handle handle, u32 event, void *data)
 {
@@ -1111,7 +1134,6 @@ static int __init asus_hotk_add(struct acpi_device *device)
 	return(result);
 }
 
-
 static int asus_hotk_remove(struct acpi_device *device, int type)
 {
 	acpi_status status = 0;
@@ -1127,6 +1149,8 @@ static int asus_hotk_remove(struct acpi_device *device, int type)
 	if (ACPI_FAILURE(status))
 		printk(KERN_ERR "Asus ACPI: Error removing notify handler\n");
 
+	asus_hotk_remove_fs(device);
+
 	kfree(hotk);
 
 	return(0);

drivers/acpi/battery.c

@@ -679,6 +679,13 @@ acpi_battery_remove_fs (
 	ACPI_FUNCTION_TRACE("acpi_battery_remove_fs");
 
 	if (acpi_device_dir(device)) {
+		remove_proc_entry(ACPI_BATTERY_FILE_ALARM,
+				  acpi_device_dir(device));
+		remove_proc_entry(ACPI_BATTERY_FILE_STATUS,
+				  acpi_device_dir(device));
+		remove_proc_entry(ACPI_BATTERY_FILE_INFO,
+				  acpi_device_dir(device));
+
 		remove_proc_entry(acpi_device_bid(device), acpi_battery_dir);
 		acpi_device_dir(device) = NULL;
 	}

drivers/acpi/button.c

@@ -238,6 +238,16 @@ acpi_button_remove_fs (
 
 	button = acpi_driver_data(device);
 	if (acpi_device_dir(device)) {
+		if (button->type == ACPI_BUTTON_TYPE_LID)
+			remove_proc_entry(ACPI_BUTTON_FILE_STATE,
+					     acpi_device_dir(device));
+		remove_proc_entry(ACPI_BUTTON_FILE_INFO,
+				     acpi_device_dir(device));
+
+		remove_proc_entry(acpi_device_bid(device),
+				     acpi_device_dir(device)->parent);
+
+
 		switch (button->type) {
 			case ACPI_BUTTON_TYPE_POWER:
 			case ACPI_BUTTON_TYPE_POWERF:

drivers/acpi/ec.c

@@ -548,6 +548,12 @@ acpi_ec_remove_fs (
 {
 	ACPI_FUNCTION_TRACE("acpi_ec_remove_fs");
 
+	if (acpi_device_dir(device)) {
+		remove_proc_entry(ACPI_EC_FILE_INFO, acpi_device_dir(device));
+		remove_proc_entry(acpi_device_bid(device), acpi_ec_dir);
+		acpi_device_dir(device) = NULL;
+	}
+
 	return_VALUE(0);
 }
 

drivers/acpi/fan.c

@@ -185,6 +185,8 @@ acpi_fan_remove_fs (
 	ACPI_FUNCTION_TRACE("acpi_fan_remove_fs");
 
 	if (acpi_device_dir(device)) {
+		remove_proc_entry(ACPI_FAN_FILE_STATE,
+				  acpi_device_dir(device));
 		remove_proc_entry(acpi_device_bid(device), acpi_fan_dir);
 		acpi_device_dir(device) = NULL;
 	}

drivers/acpi/power.c

@@ -482,6 +482,8 @@ acpi_power_remove_fs (
 	ACPI_FUNCTION_TRACE("acpi_power_remove_fs");
 
 	if (acpi_device_dir(device)) {
+		remove_proc_entry(ACPI_POWER_FILE_STATUS,
+				  acpi_device_dir(device));
 		remove_proc_entry(acpi_device_bid(device), acpi_power_dir);
 		acpi_device_dir(device) = NULL;
 	}

drivers/acpi/thermal.c

@@ -1139,6 +1139,16 @@ acpi_thermal_remove_fs (
 	ACPI_FUNCTION_TRACE("acpi_thermal_remove_fs");
 
 	if (acpi_device_dir(device)) {
+		remove_proc_entry(ACPI_THERMAL_FILE_POLLING_FREQ,
+				  acpi_device_dir(device));
+		remove_proc_entry(ACPI_THERMAL_FILE_COOLING_MODE,
+				  acpi_device_dir(device));
+		remove_proc_entry(ACPI_THERMAL_FILE_TRIP_POINTS,
+				  acpi_device_dir(device));
+		remove_proc_entry(ACPI_THERMAL_FILE_TEMPERATURE,
+				  acpi_device_dir(device));
+		remove_proc_entry(ACPI_THERMAL_FILE_STATE,
+				  acpi_device_dir(device));
 		remove_proc_entry(acpi_device_bid(device), acpi_thermal_dir);
 		acpi_device_dir(device) = NULL;
 	}