path: root/drivers/bluetooth
diff options
authorLukas Wunner <lukas@wunner.de>2018-01-10 16:32:10 +0100
committerMarcel Holtmann <marcel@holtmann.org>2018-01-10 19:00:13 +0100
commit4dc273306c16b04f696e8ab0e8bb4f6e238fe61b (patch)
tree388fcae80cf980512061b162e37004520a6d114a /drivers/bluetooth
parentf4cf6b7e3b8704d3dabfb8427a61d4c03ce48d80 (diff)
Bluetooth: hci_bcm: Invalidate IRQ on request failure
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@gmail.com> Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Signed-off-by: Lukas Wunner <lukas@wunner.de> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Diffstat (limited to 'drivers/bluetooth')
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/bluetooth/hci_bcm.c b/drivers/bluetooth/hci_bcm.c
index 140c7e5bf812..c893c597fead 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 :
"host_wake", bdev);
- if (err)
+ if (err) {
+ bdev->irq = err;
goto unlock;
+ }
device_init_wakeup(bdev->dev, true);

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