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Message-Id: <20151129214703.517243378@1wt.eu>
Date: Sun, 29 Nov 2015 22:47:17 +0100
From: Willy Tarreau <w@....eu>
To: linux-kernel@...r.kernel.org, stable@...r.kernel.org
Cc: Paul Bolle <pebolle@...cali.nl>,
Michael Ellerman <mpe@...erman.id.au>,
Ben Hutchings <ben@...adent.org.uk>, Willy Tarreau <w@....eu>
Subject: [PATCH 2.6.32 15/38] [PATCH 15/38] windfarm: decrement client count when unregistering
2.6.32-longterm review patch. If anyone has any objections, please let me know.
------------------
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@...cali.nl>
Signed-off-by: Michael Ellerman <mpe@...erman.id.au>
Signed-off-by: Ben Hutchings <ben@...adent.org.uk>
(cherry picked from commit 48c46d4aed1c27f363e4673e988212340e82e1bb)
Signed-off-by: Willy Tarreau <w@....eu>
---
drivers/macintosh/windfarm_core.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/macintosh/windfarm_core.c b/drivers/macintosh/windfarm_core.c
index 075b4d9..553414e 100644
--- a/drivers/macintosh/windfarm_core.c
+++ b/drivers/macintosh/windfarm_core.c
@@ -418,7 +418,7 @@ 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);
--
1.7.12.2.21.g234cd45.dirty
--
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