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| author | Thomas Renninger <trenn@suse.de> | 2007-06-18 00:40:51 -0400 |
|---|---|---|
| committer | Len Brown <len.brown@intel.com> | 2007-06-18 00:40:51 -0400 |
| commit | e7c746ef098770f863ba294adac5b30d124ba469 (patch) | |
| tree | baa4702f32c6aa726135b90b944016ee8903cc2e /drivers | |
| parent | 188e1f81ba31af1b65a2f3611df4c670b092bbac (diff) | |
| download | blackbird-op-linux-e7c746ef098770f863ba294adac5b30d124ba469.tar.gz blackbird-op-linux-e7c746ef098770f863ba294adac5b30d124ba469.zip | |
ACPI: gracefully print null trip-point device
if acpi_bus_get_device() returns NULL, print nothing
instead of "<NUL" in /proc/acpi/thermal_zone/*/trip_points
Signed-off-by: Thomas Renninger <trenn@suse.de>
Signed-off-by: Len Brown <len.brown@intel.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/acpi/thermal.c | 15 |
1 files changed, 11 insertions, 4 deletions
diff --git a/drivers/acpi/thermal.c b/drivers/acpi/thermal.c index 194ecfe8b360..88a6fc7fd271 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"); } |
