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Check battery presence first before trying to get battery information.

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PR:		kern/117591
Tested by:	Jessica Mahoney (root at varusonline dot com)
This commit is contained in:
Jung-uk Kim 2007-11-20 18:35:36 +00:00
parent 965b55e2b4
commit 1de9b7e4c9
1 changed files with 4 additions and 3 deletions
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7
sys/dev/acpica/acpi_battery.c
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@ -167,11 +167,12 @@ acpi_battery_get_battinfo(device_t dev, struct acpi_battinfo *battinfo)
dev_idx = i;
/*
* Be sure we can get various info from the battery. Note that we
* can't check acpi_BatteryIsPresent() because smart batteries only
* Be sure we can get various info from the battery. Note that
* acpi_BatteryIsPresent() is not enough because smart batteries only
* return that the device is present.
*/
if (ACPI_BATT_GET_STATUS(batt_dev, &bst[i]) != 0 ||
if (!acpi_BatteryIsPresent(batt_dev) ||
ACPI_BATT_GET_STATUS(batt_dev, &bst[i]) != 0 ||
ACPI_BATT_GET_INFO(batt_dev, bif) != 0)
continue;