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power_supply: 88pm860x_charger: do not pass NULL to power_supply_put

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In the case where power_supply_get_by_name returns NULL the current
error return path calls power_supply_put with a NULL psy which will
cause a null pointer dereference.  Avoid this with an immediate
return.

Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
This commit is contained in:
Colin Ian King 2016-02-28 19:57:58 +00:00 committed by Sebastian Reichel
parent 754645342a
commit 9761dca68c
1 changed files with 1 additions and 1 deletions
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2
drivers/power/88pm860x_charger.c
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@ -435,7 +435,7 @@ static irqreturn_t pm860x_temp_handler(int irq, void *data)
psy = power_supply_get_by_name(pm860x_supplied_to[0]);
if (!psy)
goto out;
return IRQ_HANDLED;
ret = power_supply_get_property(psy, POWER_SUPPLY_PROP_TEMP, &temp);
if (ret)
goto out;