commit 98d068ab52b4b11d403995ed14154660797e7136
Author: hayeswang <hayesw...@realtek.com>
Date: Tue Mar 14 14:15:20 2017 +0800
r8152: fix the list rx_done may be used without initialization
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 <hayesw...@realtek.com>
Signed-off-by: David S. Miller <da...@davemloft.net>
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https://bugs.launchpad.net/bugs/1720977
Title:
[Dell Docking IE][0bda:8153] Realtek USB Ethernet leads to system hang
Status in linux package in Ubuntu:
In Progress
Bug description:
[Impact]
There is a USB Ethernet port, 0bda:8153, on Dell IE Docking.
After plugged in the docking, system hard hangs.
[Fix]
This issue has been fix after v4.11-rc4, so after bisecting the kernel, we
found the first bad commit, and realized this issue is from Realtek USB
Ethernet driver with a non-initialized list.
98d068a r8152: fix the list rx_done may be used without initialization
[Test Case]
Verified on the Dell XPS and IE docking, and confirm this patch works.
[Regression Potential]
It's a one line patch and do the initialization of the list variable, there
should be no any regression would be resulted from this.
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1720977/+subscriptions
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