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Commit c6cc9fc9 authored by Syam Sidhardhan's avatar Syam Sidhardhan Committed by Anton Vorontsov
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s3c-adc-battery: Fix possible NULL pointer dereference 



Check for (bat == NULL) has to be done before accessing bat

Signed-off-by: default avatarSyam Sidhardhan <s.syam@samsung.com>
Signed-off-by: default avatarAnton Vorontsov <anton@enomsg.org>
parent 9239ebcf

drivers/power/s3c_adc_battery.c

+5 −2
Original line number Diff line number Diff line
@@ -145,14 +145,17 @@ static int s3c_adc_bat_get_property(struct power_supply *psy, 


	int new_level;

	int full_volt;

	const struct s3c_adc_bat_thresh *lut = bat->pdata->lut_noac;

	unsigned int lut_size = bat->pdata->lut_noac_cnt;

	const struct s3c_adc_bat_thresh *lut;

	unsigned int lut_size;



	if (!bat) {

		dev_err(psy->dev, "no battery infos ?!\n");

		return -EINVAL;

	}



	lut = bat->pdata->lut_noac;

	lut_size = bat->pdata->lut_noac_cnt;



	if (bat->volt_value < 0 || bat->cur_value < 0 ||

		jiffies_to_msecs(jiffies - bat->timestamp) >

			BAT_POLL_INTERVAL) {