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: [email protected]
Signed-off-by: Gustavo A. R. Silva <[email protected]>
---
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,
--
2.21.0
