diff options
| author | Zijun Hu <zijuhu@codeaurora.org> | 2020-05-29 04:31:07 +0800 |
|---|---|---|
| committer | Marcel Holtmann <marcel@holtmann.org> | 2020-05-29 13:38:19 +0200 |
| commit | feac90d756c03b03b83fabe83571bd88ecc96b78 (patch) | |
| tree | 2f2fece6b7a2240155fa798d965873135a2f437b | |
| parent | bf0ddd104167bfc08a5a169b3669f06c9052c1b0 (diff) | |
| download | linux-feac90d756c03b03b83fabe83571bd88ecc96b78.tar.bz2 | |
Bluetooth: hci_qca: Fix suspend/resume functionality failure
@dev parameter of qca_suspend()/qca_resume() represents
serdev_device, but it is mistook for hci_dev and causes
succedent unexpected memory access.
Fix by taking @dev as serdev_device.
Fixes: 41d5b25fed0 ("Bluetooth: hci_qca: add PM support")
Signed-off-by: Zijun Hu <zijuhu@codeaurora.org>
Reviewed-by: Matthias Kaehlcke <mka@chromium.org>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
| -rw-r--r-- | drivers/bluetooth/hci_qca.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/drivers/bluetooth/hci_qca.c b/drivers/bluetooth/hci_qca.c index e4a68238fcb9..adcbe00a2275 100644 --- a/drivers/bluetooth/hci_qca.c +++ b/drivers/bluetooth/hci_qca.c @@ -1977,8 +1977,9 @@ static void qca_serdev_remove(struct serdev_device *serdev) static int __maybe_unused qca_suspend(struct device *dev) { - struct hci_dev *hdev = container_of(dev, struct hci_dev, dev); - struct hci_uart *hu = hci_get_drvdata(hdev); + struct serdev_device *serdev = to_serdev_device(dev); + struct qca_serdev *qcadev = serdev_device_get_drvdata(serdev); + struct hci_uart *hu = &qcadev->serdev_hu; struct qca_data *qca = hu->priv; unsigned long flags; int ret = 0; @@ -2057,8 +2058,9 @@ error: static int __maybe_unused qca_resume(struct device *dev) { - struct hci_dev *hdev = container_of(dev, struct hci_dev, dev); - struct hci_uart *hu = hci_get_drvdata(hdev); + struct serdev_device *serdev = to_serdev_device(dev); + struct qca_serdev *qcadev = serdev_device_get_drvdata(serdev); + struct hci_uart *hu = &qcadev->serdev_hu; struct qca_data *qca = hu->priv; clear_bit(QCA_SUSPENDING, &qca->flags); |