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kcm: Destroy mutex in kcm_exit_net()
author
Shigeru Yoshida
<syoshida@redhat.com>
Sat, 2 Sep 2023 17:07:08 +0000
(
02:07
+0900)
committer
Greg Kroah-Hartman
<gregkh@linuxfoundation.org>
Tue, 19 Sep 2023 10:28:02 +0000
(12:28 +0200)
[ Upstream commit
6ad40b36cd3b04209e2d6c89d252c873d8082a59
]
kcm_exit_net() should call mutex_destroy() on knet->mutex. This is especially
needed if CONFIG_DEBUG_MUTEXES is enabled.
Fixes:
ab7ac4eb9832
("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>
net/kcm/kcmsock.c
patch
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diff --git
a/net/kcm/kcmsock.c
b/net/kcm/kcmsock.c
index
890a242
..
6a97662
100644
(file)
--- a/
net/kcm/kcmsock.c
+++ b/
net/kcm/kcmsock.c
@@
-1981,6
+1981,8
@@
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 = {