diff options
| author | Cong Wang <xiyou.wangcong@gmail.com> | 2018-09-11 11:42:06 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-11-25 09:52:18 +0100 |
| commit | 7228cb8d997fac5813e78cfd17740d51773962c0 (patch) | |
| tree | 3777ee67b85bc68ca8d7dbba731e6c987f942f8a /include | |
| parent | 1d642b3f9e68ff34a4d0f5e7e88b8454f460eab1 (diff) | |
llc: avoid blocking in llc_sap_close()
[ Upstream commit 9708d2b5b7c648e8e0a40d11e8cea12f6277f33c ]
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>
Diffstat (limited to 'include')
| -rw-r--r-- | include/net/llc.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/net/llc.h b/include/net/llc.h index 82d989995d18..95e5ced4c133 100644 --- a/include/net/llc.h +++ b/include/net/llc.h @@ -66,6 +66,7 @@ struct llc_sap { int sk_count; struct hlist_nulls_head sk_laddr_hash[LLC_SK_LADDR_HASH_ENTRIES]; struct hlist_head sk_dev_hash[LLC_SK_DEV_HASH_ENTRIES]; + struct rcu_head rcu; }; static inline |