windfarm: decrement client count when unregistering
commit fe2b592173ff0274e70dc44d1d28c19bb995aa7c upstream.
wf_unregister_client() increments the client count when a client
unregisters. That is obviously incorrect. Decrement that client count
instead.
Fixes: 75722d3992 ("[PATCH] ppc64: Thermal control for SMU based machines")
Signed-off-by: Paul Bolle <pebolle@tiscali.nl>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
committed by
Greg Kroah-Hartman
parent
a18006390c
commit
a5c58721ab
@@ -435,7 +435,7 @@ int wf_unregister_client(struct notifier_block *nb)
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{
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mutex_lock(&wf_lock);
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blocking_notifier_chain_unregister(&wf_client_list, nb);
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wf_client_count++;
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wf_client_count--;
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if (wf_client_count == 0)
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wf_stop_thread();
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mutex_unlock(&wf_lock);
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