linux-kernel - patch pm-remove-unbalanced-mutex_unlock-from-dpm

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Date:	Wed, 20 Feb 2008 13:57:18 -0800
From:	<gregkh@...e.de>
To:	rjw@...k.pl, greg@...ah.com, gregkh@...e.de, lenb@...nel.org,
	linux-acpi@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-pm@...ts.osdl.org, pavel@....cz, stern@...land.harvard.edu
Subject: patch pm-remove-unbalanced-mutex_unlock-from-dpm_resume.patch added to gregkh-2.6 tree


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

     Subject: PM: Remove unbalanced mutex_unlock() from dpm_resume()

to my gregkh-2.6 tree.  Its filename is

     pm-remove-unbalanced-mutex_unlock-from-dpm_resume.patch

This tree can be found at 
    http://www.kernel.org/pub/linux/kernel/people/gregkh/gregkh-2.6/patches/


>From rjw@...k.pl  Wed Feb 20 12:56:19 2008
From: "Rafael J. Wysocki" <rjw@...k.pl>
Date: Wed, 20 Feb 2008 02:01:41 +0100
Subject: PM: Remove unbalanced mutex_unlock() from dpm_resume()
To: Greg KH <greg@...ah.com>
Cc: ACPI Devel Maling List <linux-acpi@...r.kernel.org>, Alan Stern <stern@...land.harvard.edu>, Len Brown <lenb@...nel.org>, "Linux-pm mailing list" <linux-pm@...ts.osdl.org>, LKML <linux-kernel@...r.kernel.org>, Pavel Machek <pavel@....cz>
Message-ID: <200802200201.42543.rjw@...k.pl>
Content-Disposition: inline

From: Rafael J. Wysocki <rjw@...k.pl>

Remove an unnecessary unlocking of dpm_list_mtx in the error path
in drivers/base/power/main.c:dpm_suspend() .

Signed-off-by: Rafael J. Wysocki <rjw@...k.pl>
Acked-by: Alan Stern <stern@...land.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@...e.de>

---
 drivers/base/power/main.c |    1 -
 1 file changed, 1 deletion(-)

--- a/drivers/base/power/main.c
+++ b/drivers/base/power/main.c
@@ -479,7 +479,6 @@ static int dpm_suspend(pm_message_t stat
 			mutex_lock(&dpm_list_mtx);
 			if (list_empty(&dev->power.entry))
 				list_add(&dev->power.entry, &dpm_locked);
-			mutex_unlock(&dpm_list_mtx);
 			break;
 		}
 		mutex_lock(&dpm_list_mtx);


Patches currently in gregkh-2.6 which might be from rjw@...k.pl are

driver/driver-core-pm-make-suspend_device-static.patch
driver/pm-remove-unbalanced-mutex_unlock-from-dpm_resume.patch
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