Re: [PATCH] HID: rmi: Check that the RMI_STARTED bit is set before unregistering the RMI transport device

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On Wed, 23 Oct 2019, Andrew Duggan wrote:

> In the event that the RMI device is unreachable, the calls to
> rmi_set_mode() or rmi_set_page() will fail before registering the RMI
> transport device. When the device is removed, rmi_remove() will call
> rmi_unregister_transport_device() which will attempt to access the
> rmi_dev pointer which was not set. This patch adds a check of the
> RMI_STARTED bit before calling rmi_unregister_transport_device().
> The RMI_STARTED bit is only set after rmi_register_transport_device()
> completes successfully. A subsequent patch in the RMI core will add
> checks to validate the pointers before accessing them.

Andrew,

my mailbox doesn't seem to have that 'subsequent patch' ... was it ever 
sent and I missed it? If so, could you please resend it?

Thanks,

-- 
Jiri Kosina
SUSE Labs




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