Patch "windfarm: decrement client count when unregistering" has been added to the 4.1-stable tree

Patch "windfarm: decrement client count when unregistering" has been added to the 4.1-stable tree

[gregkh]

This is a note to let you know that I've just added the patch titled

    windfarm: decrement client count when unregistering

to the 4.1-stable tree which can be found at:
    http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
     windfarm-decrement-client-count-when-unregistering.patch
and it can be found in the queue-4.1 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@vger.kernel.org> know about it.


>From fe2b592173ff0274e70dc44d1d28c19bb995aa7c Mon Sep 17 00:00:00 2001
From: Paul Bolle <pebolle@tiscali.nl>
Date: Fri, 31 Jul 2015 14:08:58 +0200
Subject: windfarm: decrement client count when unregistering

From: Paul Bolle <pebolle@tiscali.nl>

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: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
 drivers/macintosh/windfarm_core.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/macintosh/windfarm_core.c
+++ b/drivers/macintosh/windfarm_core.c
@@ -435,7 +435,7 @@ int wf_unregister_client(struct notifier
 {
 	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);


Patches currently in stable-queue which might be from pebolle@tiscali.nl are

queue-4.1/windfarm-decrement-client-count-when-unregistering.patch