From: Stefan Hajnoczi <stefanha@xxxxxxxxxxxxxxxxxx>
Make sure the error return from sysfs_add_battery() is checked and
propagated out from acpi_battery_add().
Signed-off-by: Stefan Hajnoczi <stefanha@xxxxxxxxxxxxxxxxxx>
Signed-off-by: Len Brown <len.brown@xxxxxxxxx>
---
drivers/acpi/battery.c | 11 ++++++++---
1 files changed, 8 insertions(+), 3 deletions(-)
diff --git a/drivers/acpi/battery.c b/drivers/acpi/battery.c
index c771768..ffce2f0 100644
--- a/drivers/acpi/battery.c
+++ b/drivers/acpi/battery.c
@@ -630,8 +630,11 @@ static int acpi_battery_update(struct acpi_battery *battery)
return result;
acpi_battery_init_alarm(battery);
}
- if (!battery->bat.dev)
- sysfs_add_battery(battery);
+ if (!battery->bat.dev) {
+ result = sysfs_add_battery(battery);
+ if (result)
+ return result;
+ }
result = acpi_battery_get_state(battery);
acpi_battery_quirks(battery);
return result;
@@ -982,7 +985,9 @@ static int acpi_battery_add(struct acpi_device *device)
if (ACPI_SUCCESS(acpi_get_handle(battery->device->handle,
"_BIX", &handle)))
set_bit(ACPI_BATTERY_XINFO_PRESENT, &battery->flags);
- acpi_battery_update(battery);
+ result = acpi_battery_update(battery);
+ if (result)
+ goto fail;
#ifdef CONFIG_ACPI_PROCFS_POWER
result = acpi_battery_add_fs(device);
#endif
--
1.7.6.396.ge0613
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