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Bluetooth: hci_qca: fix a NULL-pointer derefence at shutdown

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Unlike qca_regulator_init(), qca_power_shutdown() may be called for
QCA_ROME which does not have qcadev->bt_power assigned. Add a
NULL-pointer check before dereferencing the struct qca_power pointer.

Fixes: eba1718717 ("Bluetooth: hci_qca: make pwrseq calls the default if available")
Reported-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Closes: https://lore.kernel.org/linux-bluetooth/su3wp6s44hrxf4ijvsdfzbvv4unu4ycb7kkvwbx6ltdafkldir@4g7ydqm2ap5j/
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
This commit is contained in:
Bartosz Golaszewski 2024-07-31 17:20:50 +02:00 committed by Luiz Augusto von Dentz
parent f366095730
commit e1d28be268
1 changed files with 1 additions and 1 deletions
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2
drivers/bluetooth/hci_qca.c
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@ -2160,7 +2160,7 @@ static void qca_power_shutdown(struct hci_uart *hu)
qcadev = serdev_device_get_drvdata(hu->serdev);
power = qcadev->bt_power;
if (power->pwrseq) {
if (power && power->pwrseq) {
pwrseq_power_off(power->pwrseq);
set_bit(QCA_BT_OFF, &qca->flags);
return;