From: Lorenzo Bianconi <lorenzo.bianc...@redhat.com>
Date: Thu, 4 Apr 2019 12:16:27 +0200
> When a bpf program is uploaded, the driver computes the number of
> xdp tx queues resulting in the allocation of additional qsets.
> Starting from commit '2ecbe4f4a027 ("net: thunderx: replace global
> nicvf_rx_mode_wq work queue for all VFs to private for each of them")'
> the driver runs link state polling for each VF resulting in the
> following NULL pointer dereference:
...
> Fix it by checking nicvf_rx_mode_wq pointer in nicvf_open and nicvf_stop
>
> Fixes: 2ecbe4f4a027 ("net: thunderx: replace global nicvf_rx_mode_wq work
> queue for all VFs to private for each of them")
> Fixes: 2c632ad8bc74 ("net: thunderx: move link state polling function to VF")
> Reported-by: Matteo Croce <mcr...@redhat.com>
> Signed-off-by: Lorenzo Bianconi <lorenzo.bianc...@redhat.com>
Applied and queued up for -stable.
