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-rw-r--r--drivers/acpi/thermal.c15
1 files changed, 11 insertions, 4 deletions
diff --git a/drivers/acpi/thermal.c b/drivers/acpi/thermal.c
index 194ecfe8b36..88a6fc7fd27 100644
--- a/drivers/acpi/thermal.c
+++ b/drivers/acpi/thermal.c
@@ -828,6 +828,8 @@ static int acpi_thermal_trip_seq_show(struct seq_file *seq, void *offset)
{
struct acpi_thermal *tz = seq->private;
struct acpi_device *device;
+ acpi_status status;
+
int i = 0;
int j = 0;
@@ -850,8 +852,10 @@ static int acpi_thermal_trip_seq_show(struct seq_file *seq, void *offset)
tz->trips.passive.tc1, tz->trips.passive.tc2,
tz->trips.passive.tsp);
for (j = 0; j < tz->trips.passive.devices.count; j++) {
- acpi_bus_get_device(tz->trips.passive.devices.handles[j], &device);
- seq_printf(seq, "%4.4s ", acpi_device_bid(device));
+ status = acpi_bus_get_device(tz->trips.passive.devices.
+ handles[j], &device);
+ seq_printf(seq, "%4.4s ", status ? "" :
+ acpi_device_bid(device));
}
seq_puts(seq, "\n");
}
@@ -863,8 +867,11 @@ static int acpi_thermal_trip_seq_show(struct seq_file *seq, void *offset)
i,
KELVIN_TO_CELSIUS(tz->trips.active[i].temperature));
for (j = 0; j < tz->trips.active[i].devices.count; j++){
- acpi_bus_get_device(tz->trips.active[i].devices.handles[j], &device);
- seq_printf(seq, "%4.4s ", acpi_device_bid(device));
+ status = acpi_bus_get_device(tz->trips.active[i].
+ devices.handles[j],
+ &device);
+ seq_printf(seq, "%4.4s ", status ? "" :
+ acpi_device_bid(device));
}
seq_puts(seq, "\n");
}