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SubjectRe: [PATCH] power: supply: axp288_charger: Fix unchecked return value
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Hi,

On 18-03-19 17:14, Gustavo A. R. Silva wrote:
> Currently there is no check on platform_get_irq() return value
> in case it fails, hence never actually reporting any errors and
> causing unexpected behavior when using such value as argument
> for function regmap_irq_get_virq().
>
> Fix this by adding a proper check, a message reporting any errors
> and returning *pirq*
>
> Addresses-Coverity-ID: 1443940 ("Improper use of negative value")
> Fixes: 843735b788a4 ("power: axp288_charger: axp288 charger driver")
> Cc: stable@vger.kernel.org
> Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
> ---
> drivers/power/supply/axp288_charger.c | 4 ++++
> 1 file changed, 4 insertions(+)
>
> diff --git a/drivers/power/supply/axp288_charger.c b/drivers/power/supply/axp288_charger.c
> index f8c6da9277b3..00b961890a38 100644
> --- a/drivers/power/supply/axp288_charger.c
> +++ b/drivers/power/supply/axp288_charger.c
> @@ -833,6 +833,10 @@ static int axp288_charger_probe(struct platform_device *pdev)
> /* Register charger interrupts */
> for (i = 0; i < CHRG_INTR_END; i++) {
> pirq = platform_get_irq(info->pdev, i);
> + if (pirq < 0) {
> + dev_err(&pdev->dev, "Failed to get IRQ: %d\n", pirq);
> + return pirq;
> + }
> info->irq[i] = regmap_irq_get_virq(info->regmap_irqc, pirq);
> if (info->irq[i] < 0) {
> dev_warn(&info->pdev->dev,
>

Patch looks good to me:

Reviewed-by: Hans de Goede <hdegoede@redhat.com>

Regards,

Hans

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