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Commit fe2b5921 authored by Paul Bolle's avatar Paul Bolle Committed by Michael Ellerman
Browse files

windfarm: decrement client count when unregistering 



wf_unregister_client() increments the client count when a client
unregisters. That is obviously incorrect. Decrement that client count
instead.

Fixes: 75722d39 ("[PATCH] ppc64: Thermal control for SMU based machines")

Signed-off-by: default avatarPaul Bolle <pebolle@tiscali.nl>
Signed-off-by: default avatarMichael Ellerman <mpe@ellerman.id.au>
parent a825ac07

drivers/macintosh/windfarm_core.c

+1 −1
Original line number Original line Diff line number Diff line
@@ -435,7 +435,7 @@ int wf_unregister_client(struct notifier_block *nb) 
{

{

	mutex_lock(&wf_lock);

	mutex_lock(&wf_lock);

	blocking_notifier_chain_unregister(&wf_client_list, nb);

	blocking_notifier_chain_unregister(&wf_client_list, nb);

	wf_client_count++;

	wf_client_count--;

	if (wf_client_count == 0)

	if (wf_client_count == 0)

		wf_stop_thread();

		wf_stop_thread();

	mutex_unlock(&wf_lock);

	mutex_unlock(&wf_lock);