apm_power: check I.intval for zero value, we use it as the divisor

Signed-off-by: Anton Vorontsov <cbou@mail.ru>

diff --git a/drivers/power/apm_power.c b/drivers/power/apm_power.c
index a832a9a..a489227 100644 (file)
--- a/drivers/power/apm_power.c
+++ b/drivers/power/apm_power.c
@@ -133,6 +133,9 @@ static int do_calculate_time(int status, enum apm_source source)
                        return -1;
        }
 
+       if (!I.intval)
+               return 0;
+
        switch (source) {
        case SOURCE_CHARGE:
                full_prop = POWER_SUPPLY_PROP_CHARGE_FULL;