From: Daniel Wagner <daniel.wagner@xxxxxxxxxxxx>
Inside task_cls_classid(), a rcu_read_lock() is already taken.
Signed-off-by: Daniel Wagner <daniel.wagner@xxxxxxxxxxxx>
CC: Thomas Graf <tgraf@xxxxxxx>
CC: Tejun Heo <tj@xxxxxxxxxx>
CC: Li Zefan <lizefan@xxxxxxxxxx>
---
net/core/sock.c | 2 --
1 file changed, 2 deletions(-)
diff --git a/net/core/sock.c b/net/core/sock.c
index 75c4b72..50c9d02 100644
--- a/net/core/sock.c
+++ b/net/core/sock.c
@@ -1180,9 +1180,7 @@ void sock_update_classid(struct sock *sk)
{
u32 classid;
- rcu_read_lock(); /* doing current task, which cannot vanish. */
classid = task_cls_classid(current);
- rcu_read_unlock();
if (classid && classid != sk->sk_classid)
sk->sk_classid = classid;
}
--
1.7.10.130.g36e6c
--
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