From: Alexander Usyskin <alexander.usyskin@intel.com>
Date: Thu, 16 Jun 2016 14:58:56 +0000 (+0300)
Subject: mei: move read cb to complete queue if not connected
X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=a03c608f25fbe2eb5f2862a4dab1791948496215;p=openwrt%2Fstaging%2Fblogic.git

mei: move read cb to complete queue if not connected

Move read cb to the completion queue if a read finds out that client
is not connected. This expedite user space reader wake on error
condition.

Signed-off-by: Alexander Usyskin <alexander.usyskin@intel.com>
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

diff --git a/drivers/misc/mei/interrupt.c b/drivers/misc/mei/interrupt.c
index 436ecda3935e..412229e7bb7c 100644
--- a/drivers/misc/mei/interrupt.c
+++ b/drivers/misc/mei/interrupt.c
@@ -113,6 +113,7 @@ int mei_cl_irq_read_msg(struct mei_cl *cl,
 
 	if (!mei_cl_is_connected(cl)) {
 		cl_dbg(dev, cl, "not connected\n");
+		list_move_tail(&cb->list, &complete_list->list);
 		cb->status = -ENODEV;
 		goto out;
 	}