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Bluetooth: btmtksdio: Check function enabled before doing close

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commit 07e90048e356a29079fbc011cfc2e1fa1d1c5ac9 upstream.

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>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Chris Lu
2025-04-22 09:21:55 +08:00
committed by Greg Kroah-Hartman
parent fedd2a1443
commit 3e0dc2b4f6
1 changed files with 4 additions and 0 deletions
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4
drivers/bluetooth/btmtksdio.c
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@@ -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 */