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twx-linux/include/net
Cong Wang 7228cb8d99 llc: avoid blocking in llc_sap_close()
[ Upstream commit 9708d2b5b7 ]

llc_sap_close() is called by llc_sap_put() which
could be called in BH context in llc_rcv(). We can't
block in BH.

There is no reason to block it here, kfree_rcu() should
be sufficient.

Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2019-11-25 09:52:18 +01:00
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