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| author |   Chris Lu <chris.lu@mediatek.com> | 2025-04-22 09:21:55 +0800 |
|---|---|---|
| committer |   Luiz Augusto von Dentz <luiz.von.dentz@intel.com> | 2025-04-25 15:03:19 -0400 |
| commit | 07e90048e356a29079fbc011cfc2e1fa1d1c5ac9 (patch) | |
| tree | 17661634fada1bcf4721995f90cafeca44d8d2b0 /drivers/bluetooth | |
| parent | Bluetooth: btusb: avoid NULL pointer dereference in skb_dequeue() (diff) | |
| download | linux-rng-07e90048e356a29079fbc011cfc2e1fa1d1c5ac9.tar.xz linux-rng-07e90048e356a29079fbc011cfc2e1fa1d1c5ac9.zip | |
Bluetooth: btmtksdio: Check function enabled before doing close
Check BTMTKSDIO_FUNC_ENABLED flag before doing close to prevent
btmtksdio_close been called twice.
Fixes: 6ac4233afb9a ("Bluetooth: btmtksdio: Prevent enabling interrupts after IRQ handler removal")
Signed-off-by: Chris Lu <chris.lu@mediatek.com>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
Diffstat (limited to 'drivers/bluetooth')
| -rw-r--r-- | drivers/bluetooth/btmtksdio.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/bluetooth/btmtksdio.c b/drivers/bluetooth/btmtksdio.c index edd5eead1e93..e5a119ca7243 100644 --- a/drivers/bluetooth/btmtksdio.c +++ b/drivers/bluetooth/btmtksdio.c @@ -723,6 +723,10 @@ static int btmtksdio_close(struct hci_dev *hdev) { struct btmtksdio_dev *bdev = hci_get_drvdata(hdev); + /* Skip btmtksdio_close if BTMTKSDIO_FUNC_ENABLED isn't set */ + if (!test_bit(BTMTKSDIO_FUNC_ENABLED, &bdev->tx_state)) + return 0; + sdio_claim_host(bdev->func); /* Disable interrupt */ |