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authorTomas Winkler <tomas.winkler@intel.com>2016-06-23 00:25:31 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2016-08-30 14:36:39 +0200
commit2d4d5481e2d6f93b25fcfb13a9f20bbfbf54266a (patch)
treef65006c4651a2271dc42f43fd916bb3312afb586 /drivers/misc/mei
parentmei: drop read complete queue emptiness check (diff)
downloadlinux-dev-2d4d5481e2d6f93b25fcfb13a9f20bbfbf54266a.tar.xz
linux-dev-2d4d5481e2d6f93b25fcfb13a9f20bbfbf54266a.zip
mei: fix return value on disconnection
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> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/misc/mei')
-rw-r--r--drivers/misc/mei/amthif.c2
-rw-r--r--drivers/misc/mei/bus.c2
-rw-r--r--drivers/misc/mei/main.c2
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;
}
}