Re: [PATCH] drivers/bluetooth/hci_ldisc.c: fix possible NULLdereferences

[Marcel Holtmann]

Hi Eugene,

> Commit 22ad42033b7d2b3d7928fba9f89d1c7f8a3c9581 did not completely fix all 
> the possible NULL dereferences. Besides hci_uart_close(), we also need to 
> make sure that hdev is valid before calling hci_{unregister,free}_dev().

I don't see any issue. Without HCI_UART_PROTO_SET, the hdev will never
be registered. So no need to protect it twice.

Regards

Marcel


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