diff options
| -rw-r--r-- | sys/dev/acpica/acpi_battery.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/sys/dev/acpica/acpi_battery.c b/sys/dev/acpica/acpi_battery.c index ba57853..3d7d94a 100644 --- a/sys/dev/acpica/acpi_battery.c +++ b/sys/dev/acpica/acpi_battery.c @@ -205,6 +205,14 @@ acpi_battery_get_battinfo(device_t dev, struct acpi_battinfo *battinfo) bif->lfcap = (bif->lfcap * bif->dvol) / 1000; } + /* + * The calculation above may set bif->lfcap to zero. This was + * seen on a laptop with a broken battery. The result of the + * division was rounded to zero. + */ + if (!acpi_battery_bif_valid(bif)) + continue; + /* Calculate percent capacity remaining. */ bi[i].cap = (100 * bst[i].cap) / bif->lfcap; |
