From: Michael Chan <[email protected]>
Date: Thu, 31 Jan 2019 14:31:48 -0500
> When calling firmware to allocate a CP ring or NQ, an interrupt associated
> with that ring may be generated immediately before the doorbell is even
> setup after the firmware call returns. When servicing the interrupt, the
> driver may crash when trying to access the doorbell.
>
> Fix it by disabling interrupt on that vector until the doorbell is
> set up.
>
> Fixes: 697197e5a173 ("bnxt_en: Re-structure doorbells.")
> Signed-off-by: Michael Chan <[email protected]>
> ---
>
> Please queue this for 4.20 stable as well. Thanks.
Applied and queued up, thanks.
