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authorPaul Bolle <pebolle@tiscali.nl>2015-07-31 14:08:58 +0200
committerBen Hutchings <ben@decadent.org.uk>2015-10-13 03:46:05 +0100
commit48c46d4aed1c27f363e4673e988212340e82e1bb (patch)
treec46b456c4b365d48c1720df15499e9a4ef24f4d4
parentebc0ae5a7159086a992f7904dc9ad849a13eecfc (diff)
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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: 75722d3992f5 ("[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: Ben Hutchings <ben@decadent.org.uk>
-rw-r--r--drivers/macintosh/windfarm_core.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/macintosh/windfarm_core.c b/drivers/macintosh/windfarm_core.c
index ce88979..004fa10 100644
--- a/drivers/macintosh/windfarm_core.c
+++ b/drivers/macintosh/windfarm_core.c
@@ -421,7 +421,7 @@ int wf_unregister_client(struct notifier_block *nb)
{
mutex_lock(&wf_lock);
blocking_notifier_chain_unregister(&wf_client_list, nb);
- wf_client_count++;
+ wf_client_count--;
if (wf_client_count == 0)
wf_stop_thread();
mutex_unlock(&wf_lock);