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Commit 1e6b9bc8 authored by wangkeqi's avatar wangkeqi Committed by Greg Kroah-Hartman
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connector: Fix proc_event_num_listeners count not cleared


[ Upstream commit c46bfba1337d301661dbb23cfd905d4cb51f27ca ]

When we register a cn_proc listening event, the proc_event_num_listener
variable will be incremented by one, but if PROC_CN_MCAST_IGNORE is
not called, the count will not decrease.
This will cause the proc_*_connector function to take the wrong path.
It will reappear when the forkstat tool exits via ctrl + c.
We solve this problem by determining whether
there are still listeners to clear proc_event_num_listener.

Signed-off-by: default avatarwangkeqi <wangkeqiwang@didiglobal.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
Signed-off-by: default avatarSasha Levin <sashal@kernel.org>
parent 6a186b28
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