diff options
Diffstat (limited to 'drivers/acpi/battery.c')
-rw-r--r-- | drivers/acpi/battery.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/acpi/battery.c b/drivers/acpi/battery.c index 3026e3fa83ef..dc58402b0a17 100644 --- a/drivers/acpi/battery.c +++ b/drivers/acpi/battery.c | |||
@@ -868,9 +868,15 @@ static void acpi_battery_remove_fs(struct acpi_device *device) | |||
868 | static void acpi_battery_notify(struct acpi_device *device, u32 event) | 868 | static void acpi_battery_notify(struct acpi_device *device, u32 event) |
869 | { | 869 | { |
870 | struct acpi_battery *battery = acpi_driver_data(device); | 870 | struct acpi_battery *battery = acpi_driver_data(device); |
871 | #ifdef CONFIG_ACPI_SYSFS_POWER | ||
872 | struct device *old; | ||
873 | #endif | ||
871 | 874 | ||
872 | if (!battery) | 875 | if (!battery) |
873 | return; | 876 | return; |
877 | #ifdef CONFIG_ACPI_SYSFS_POWER | ||
878 | old = battery->bat.dev; | ||
879 | #endif | ||
874 | acpi_battery_update(battery); | 880 | acpi_battery_update(battery); |
875 | acpi_bus_generate_proc_event(device, event, | 881 | acpi_bus_generate_proc_event(device, event, |
876 | acpi_battery_present(battery)); | 882 | acpi_battery_present(battery)); |
@@ -879,7 +885,7 @@ static void acpi_battery_notify(struct acpi_device *device, u32 event) | |||
879 | acpi_battery_present(battery)); | 885 | acpi_battery_present(battery)); |
880 | #ifdef CONFIG_ACPI_SYSFS_POWER | 886 | #ifdef CONFIG_ACPI_SYSFS_POWER |
881 | /* acpi_battery_update could remove power_supply object */ | 887 | /* acpi_battery_update could remove power_supply object */ |
882 | if (battery->bat.dev) | 888 | if (old && battery->bat.dev) |
883 | power_supply_changed(&battery->bat); | 889 | power_supply_changed(&battery->bat); |
884 | #endif | 890 | #endif |
885 | } | 891 | } |