This is a note to let you know that I've just added the patch titled
mei: fix return value on disconnection
to the 4.4-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
mei-fix-return-value-on-disconnection.patch
and it can be found in the queue-4.4 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From 2d4d5481e2d6f93b25fcfb13a9f20bbfbf54266a Mon Sep 17 00:00:00 2001
From: Tomas Winkler <tomas.winkler@xxxxxxxxx>
Date: Thu, 23 Jun 2016 00:25:31 +0300
Subject: mei: fix return value on disconnection
From: Tomas Winkler <tomas.winkler@xxxxxxxxx>
commit 2d4d5481e2d6f93b25fcfb13a9f20bbfbf54266a upstream.
Correct errno on client disconnection is -ENODEV not -EBUSY
Signed-off-by: Tomas Winkler <tomas.winkler@xxxxxxxxx>
Signed-off-by: Alexander Usyskin <alexander.usyskin@xxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/misc/mei/bus.c | 2 +-
drivers/misc/mei/main.c | 2 +-
2 files changed, 2 insertions(+), 2 deletions(-)
--- 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,
mutex_lock(&bus->device_lock);
if (!mei_cl_is_connected(cl)) {
- rets = -EBUSY;
+ rets = -ENODEV;
goto out;
}
}
--- a/drivers/misc/mei/main.c
+++ b/drivers/misc/mei/main.c
@@ -207,7 +207,7 @@ static ssize_t mei_read(struct file *fil
mutex_lock(&dev->device_lock);
if (!mei_cl_is_connected(cl)) {
- rets = -EBUSY;
+ rets = -ENODEV;
goto out;
}
}
Patches currently in stable-queue which might be from tomas.winkler@xxxxxxxxx are
queue-4.4/mei-fix-return-value-on-disconnection.patch
queue-4.4/mei-me-disable-driver-on-spt-sps-firmware.patch
queue-4.4/mei-me-fix-place-for-kaby-point-device-ids.patch
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