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ethernet

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Florian Fainelli authored and David S. Miller committed
Commit beb0babf ("korina: disable napi on close and restart")
introduced calls to napi_disable() that were missing before,
unfortunately this leaves a small window during which NAPI has a chance
to run, yet we just freed resources since korina_free_ring() has been
called:

Fix this by disabling NAPI first then freeing resource, and make sure
that we also cancel the restart task before doing the resource freeing.

Fixes: beb0babf ("korina: disable napi on close and restart")
Reported-by: default avatarAlexandros C. Couloumbis <alex@ozo.com>
Signed-off-by: default avatarFlorian Fainelli <f.fainelli@gmail.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
e6afb1ad
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