Merge branch 'ax25-fixes'
authorDavid S. Miller <davem@davemloft.net>
Fri, 28 Jan 2022 14:56:47 +0000 (14:56 +0000)
committerDavid S. Miller <davem@davemloft.net>
Fri, 28 Jan 2022 14:56:47 +0000 (14:56 +0000)
Duoming Zhou says:

====================
ax25: fix NPD and UAF bugs when detaching ax25 device

There are NPD and UAF bugs when detaching ax25 device, we
use lock and refcount to mitigate these bugs.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>

Trivial merge