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Date: Tue, 21 Mar 2017 14:37:29 -0700 (PDT) From: David Miller <davem@...emloft.net> To: hayeswang@...ltek.com Cc: netdev@...r.kernel.org, petr.vorel@...il.com, nic_swsd@...ltek.com, linux-kernel@...r.kernel.org, linux-usb@...r.kernel.org Subject: Re: [PATCH net] r8152: fix the list rx_done may be used without initialization From: Hayes Wang <hayeswang@...ltek.com> Date: Tue, 14 Mar 2017 14:15:20 +0800 > The list rx_done would be initialized when the linking on occurs. > Therefore, if a napi is scheduled without any linking on before, > the following kernel panic would happen. > > BUG: unable to handle kernel NULL pointer dereference at 000000000000008 > IP: [<ffffffffc085efde>] r8152_poll+0xe1e/0x1210 [r8152] > PGD 0 > Oops: 0002 [#1] SMP > > Signed-off-by: Hayes Wang <hayeswang@...ltek.com> Applied.
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