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authorNeilBrown <neilb@suse.de>2010-08-10 10:02:33 +1000
committerNeilBrown <neilb@suse.de>2010-08-10 10:02:33 +1000
commitfd8aa2c1811bf60ccb2d5de0579c6f62aec1772d (patch)
tree311567d03758afc3a93b4273fe172836e89bb01d /drivers/acpi/battery.c
parent6e17b0276452912cb13445e5ea552b599984675f (diff)
parent2144381da478cc4aa3a29ee29b0c5e6ddaaced14 (diff)
Merge git://git.infradead.org/users/dwmw2/libraid-2.6 into for-linus
Diffstat (limited to 'drivers/acpi/battery.c')
-rw-r--r--drivers/acpi/battery.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/acpi/battery.c b/drivers/acpi/battery.c
index 3026e3fa83e..dc58402b0a1 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)
static void acpi_battery_notify(struct acpi_device *device, u32 event)
{
struct acpi_battery *battery = acpi_driver_data(device);
+#ifdef CONFIG_ACPI_SYSFS_POWER
+ struct device *old;
+#endif
if (!battery)
return;
+#ifdef CONFIG_ACPI_SYSFS_POWER
+ old = battery->bat.dev;
+#endif
acpi_battery_update(battery);
acpi_bus_generate_proc_event(device, event,
acpi_battery_present(battery));
@@ -879,7 +885,7 @@ static void acpi_battery_notify(struct acpi_device *device, u32 event)
acpi_battery_present(battery));
#ifdef CONFIG_ACPI_SYSFS_POWER
/* acpi_battery_update could remove power_supply object */
- if (battery->bat.dev)
+ if (old && battery->bat.dev)
power_supply_changed(&battery->bat);
#endif
}