Commit 8047a489 authored Sep 03, 2023 by Shigeru Yoshida Committed by Greg Kroah-Hartman Sep 23, 2023

kcm: Destroy mutex in kcm_exit_net()



[ Upstream commit 6ad40b36cd3b04209e2d6c89d252c873d8082a59 ]

kcm_exit_net() should call mutex_destroy() on knet->mutex. This is especially
needed if CONFIG_DEBUG_MUTEXES is enabled.

Fixes: ab7ac4eb ("kcm: Kernel Connection Multiplexor module")
Signed-off-by: Shigeru Yoshida <syoshida@redhat.com>
Link: https://lore.kernel.org/r/20230902170708.1727999-1-syoshida@redhat.com


Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>

parent a6d11571

net/kcm/kcmsock.c

+2 −0

Original line number	Diff line number	Diff line
		@@ -1984,6 +1984,8 @@ static __net_exit void kcm_exit_net(struct net *net)
		* that all multiplexors and psocks have been destroyed.
		*/
		WARN_ON(!list_empty(&knet->mux_list));

		mutex_destroy(&knet->mutex);
		}

		static struct pernet_operations kcm_net_ops = {