mei: fix device stall after wd is stopped
authorTomas Winkler <tomas.winkler@intel.com>
Thu, 16 Aug 2012 13:25:33 +0000 (16:25 +0300)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Thu, 16 Aug 2012 16:44:52 +0000 (09:44 -0700)
After watchdog was disabled the driver would stall
due to wrong calculation of credits reduction

The cat&paste bug was introduced in the commit
7bdf72d3d8059a50214069ea4b87c2174645f40f
mei: introduce mei_data2slots wrapper

Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/misc/mei/interrupt.c

index c6ffbbe..d78c05e 100644 (file)
@@ -1253,7 +1253,7 @@ static int mei_irq_thread_write_handler(struct mei_io_list *cmpl_list,
                        if (dev->wd_timeout)
                                *slots -= mei_data2slots(MEI_START_WD_DATA_SIZE);
                        else
-                               *slots -= mei_data2slots(MEI_START_WD_DATA_SIZE);
+                               *slots -= mei_data2slots(MEI_WD_PARAMS_SIZE);
                }
        }
        if (dev->stop)