If devm_request_irq() fails, the driver bails out of bcm_request_irq()
but continues to ->setup the device (because the IRQ is optional).
The driver subsequently calls devm_free_irq(), enable_irq_wake() and
disable_irq_wake() on the IRQ even though requesting it failed.
Avoid by invalidating the IRQ on request failure.
Cc: Frédéric Danis <frederic.danis.oss@xxxxxxxxx>
Signed-off-by: Lukas Wunner <lukas@xxxxxxxxx>
---
drivers/bluetooth/hci_bcm.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/bluetooth/hci_bcm.c b/drivers/bluetooth/hci_bcm.c
index 991d429246f7..b5f8008758bc 100644
--- a/drivers/bluetooth/hci_bcm.c
+++ b/drivers/bluetooth/hci_bcm.c
@@ -216,8 +216,10 @@ static int bcm_request_irq(struct bcm_data *bcm)
bdev->irq_active_low ? IRQF_TRIGGER_FALLING :
IRQF_TRIGGER_RISING,
"host_wake", bdev);
- if (err)
+ if (err) {
+ bdev->irq = err;
goto unlock;
+ }
device_init_wakeup(bdev->dev, true);
--
2.15.1
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