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Commit d9319560 authored by Jun Nie's avatar Jun Nie Committed by Gustavo Padovan
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Bluetooth: add NULL pointer check in HCI 



If we fail to find a hci device pointer in hci_uart, don't try
to deref the NULL one we do have.

Signed-off-by: default avatarJun Nie <njun@marvell.com>
Signed-off-by: default avatarGustavo F. Padovan <padovan@profusion.mobi>
parent 183f732c

drivers/bluetooth/hci_ldisc.c

+4 −2
Original line number Original line Diff line number Diff line
@@ -311,11 +311,13 @@ static void hci_uart_tty_close(struct tty_struct *tty) 




		if (test_and_clear_bit(HCI_UART_PROTO_SET, &hu->flags)) {

		if (test_and_clear_bit(HCI_UART_PROTO_SET, &hu->flags)) {

			hu->proto->close(hu);

			hu->proto->close(hu);

			if (hdev) {

				hci_unregister_dev(hdev);

				hci_unregister_dev(hdev);

				hci_free_dev(hdev);

				hci_free_dev(hdev);

			}

			}

		}

		}

	}

	}

}





/* hci_uart_tty_wakeup()

/* hci_uart_tty_wakeup()

 *

 *