PM: Remove unbalanced mutex_unlock() from dpm_resume()

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@sisk.pl>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

diff --git a/drivers/base/power/main.c b/drivers/base/power/main.c
index d609560..cea5ed3 100644 (file)
--- a/drivers/base/power/main.c
+++ b/drivers/base/power/main.c
@@ -479,7 +479,6 @@ static int dpm_suspend(pm_message_t state)
                        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);