[char-msic 3/3] mei: fix return value on disconnection

[Tomas Winkler]

commit 2d4d5481e2d6f93b25fcfb13a9f20bbfbf54266a upstream.

Correct errno on client disconnection is -ENODEV not -EBUSY

Cc: <sta...@vger.kernel.org> #4.4
Signed-off-by: Tomas Winkler <tomas.wink...@intel.com>
Signed-off-by: Alexander Usyskin <alexander.usys...@intel.com>
Signed-off-by: Greg Kroah-Hartman <gre...@linuxfoundation.org>
---
 drivers/misc/mei/bus.c  | 2 +-
 drivers/misc/mei/main.c | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/misc/mei/bus.c b/drivers/misc/mei/bus.c
index a77643954523..e59838231703 100644
--- a/drivers/misc/mei/bus.c
+++ b/drivers/misc/mei/bus.c
@@ -144,7 +144,7 @@ ssize_t __mei_cl_recv(struct mei_cl *cl, u8 *buf, size_t 
length)
                mutex_lock(&bus->device_lock);
 
                if (!mei_cl_is_connected(cl)) {
-                       rets = -EBUSY;
+                       rets = -ENODEV;
                        goto out;
                }
        }
diff --git a/drivers/misc/mei/main.c b/drivers/misc/mei/main.c
index 80f9afcb1382..4ef189a7a2fb 100644
--- a/drivers/misc/mei/main.c
+++ b/drivers/misc/mei/main.c
@@ -207,7 +207,7 @@ static ssize_t mei_read(struct file *file, char __user 
*ubuf,
 
                mutex_lock(&dev->device_lock);
                if (!mei_cl_is_connected(cl)) {
-                       rets = -EBUSY;
+                       rets = -ENODEV;
                        goto out;
                }
        }
-- 
2.7.4