diff options
Diffstat (limited to 'drivers/power/generic-adc-battery.c')
| -rw-r--r-- | drivers/power/generic-adc-battery.c | 16 |
1 files changed, 9 insertions, 7 deletions
diff --git a/drivers/power/generic-adc-battery.c b/drivers/power/generic-adc-battery.c index 32ce17e235c0..836816b82cbc 100644 --- a/drivers/power/generic-adc-battery.c +++ b/drivers/power/generic-adc-battery.c @@ -263,9 +263,6 @@ static int gab_probe(struct platform_device *pdev) psy->external_power_changed = gab_ext_power_changed; adc_bat->pdata = pdata; - /* calculate the total number of channels */ - chan = ARRAY_SIZE(gab_chan_name); - /* * copying the static properties and allocating extra memory for holding * the extra configurable properties received from platform data. @@ -291,6 +288,7 @@ static int gab_probe(struct platform_device *pdev) gab_chan_name[chan]); if (IS_ERR(adc_bat->channel[chan])) { ret = PTR_ERR(adc_bat->channel[chan]); + adc_bat->channel[chan] = NULL; } else { /* copying properties for supported channels only */ memcpy(properties + sizeof(*(psy->properties)) * index, @@ -344,8 +342,10 @@ err_gpio: gpio_req_fail: power_supply_unregister(psy); err_reg_fail: - for (chan = 0; ARRAY_SIZE(gab_chan_name); chan++) - iio_channel_release(adc_bat->channel[chan]); + for (chan = 0; chan < ARRAY_SIZE(gab_chan_name); chan++) { + if (adc_bat->channel[chan]) + iio_channel_release(adc_bat->channel[chan]); + } second_mem_fail: kfree(psy->properties); first_mem_fail: @@ -365,8 +365,10 @@ static int gab_remove(struct platform_device *pdev) gpio_free(pdata->gpio_charge_finished); } - for (chan = 0; ARRAY_SIZE(gab_chan_name); chan++) - iio_channel_release(adc_bat->channel[chan]); + for (chan = 0; chan < ARRAY_SIZE(gab_chan_name); chan++) { + if (adc_bat->channel[chan]) + iio_channel_release(adc_bat->channel[chan]); + } kfree(adc_bat->psy.properties); cancel_delayed_work(&adc_bat->bat_work); |