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Subject[char-misc-next v2 4/8] mei: fix return value on disconnection
Date
Correct errno on client disconnection is -ENODEV not -EBUSY

Cc: <stable@vger.kernel.org> #4.3+
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Alexander Usyskin <alexander.usyskin@intel.com>
---
V2: fix the same issue also in amthif.c

drivers/misc/mei/amthif.c | 2 +-
drivers/misc/mei/bus.c | 2 +-
drivers/misc/mei/main.c | 2 +-
3 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/misc/mei/amthif.c b/drivers/misc/mei/amthif.c
index 14b454143c81..3cf54ca051ea 100644
--- a/drivers/misc/mei/amthif.c
+++ b/drivers/misc/mei/amthif.c
@@ -132,7 +132,7 @@ int mei_amthif_read(struct mei_device *dev, struct file *file,
return -ERESTARTSYS;

if (!mei_cl_is_connected(cl)) {
- rets = -EBUSY;
+ rets = -ENODEV;
goto out;
}

diff --git a/drivers/misc/mei/bus.c b/drivers/misc/mei/bus.c
index 63411ddfb83d..9c404dc8eada 100644
--- a/drivers/misc/mei/bus.c
+++ b/drivers/misc/mei/bus.c
@@ -143,7 +143,7 @@ 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 3326bde7fba1..d62e89c80beb 100644
--- a/drivers/misc/mei/main.c
+++ b/drivers/misc/mei/main.c
@@ -203,7 +203,7 @@ 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;
}
}
--
2.5.5
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