diff options
| author |   Alexander Usyskin <alexander.usyskin@intel.com> | 2016-02-07 23:35:38 +0200 |
|---|---|---|
| committer |   Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2016-02-07 14:47:20 -0800 |
| commit | f4e06246183f187d1327fdba18a797eb091a7d03 (patch) | |
| tree | 652e7e81d6983ac57152b70ad983b6a68941fff3 /drivers/misc/mei/main.c | |
| parent | mei: fill file pointer in read cb for fixed address client (diff) | |
| download | linux-dev-f4e06246183f187d1327fdba18a797eb091a7d03.tar.xz linux-dev-f4e06246183f187d1327fdba18a797eb091a7d03.zip | |
mei: fixed address clients for the new platforms
Enable by default connection to fixed address clients
from user-space for skylake and newer platform.
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>
Diffstat (limited to 'drivers/misc/mei/main.c')
| -rw-r--r-- | drivers/misc/mei/main.c | 18 |
1 files changed, 14 insertions, 4 deletions
diff --git a/drivers/misc/mei/main.c b/drivers/misc/mei/main.c index f1fdd65e9678..58fa2c83ee39 100644 --- a/drivers/misc/mei/main.c +++ b/drivers/misc/mei/main.c @@ -369,12 +369,22 @@ static int mei_ioctl_connect_client(struct file *file, /* find ME client we're trying to connect to */ me_cl = mei_me_cl_by_uuid(dev, &data->in_client_uuid); - if (!me_cl || - (me_cl->props.fixed_address && !dev->allow_fixed_address)) { + if (!me_cl) { dev_dbg(dev->dev, "Cannot connect to FW Client UUID = %pUl\n", &data->in_client_uuid); - mei_me_cl_put(me_cl); - return -ENOTTY; + rets = -ENOTTY; + goto end; + } + + if (me_cl->props.fixed_address) { + bool forbidden = dev->override_fixed_address ? + !dev->allow_fixed_address : !dev->hbm_f_fa_supported; + if (forbidden) { + dev_dbg(dev->dev, "Connection forbidden to FW Client UUID = %pUl\n", + &data->in_client_uuid); + rets = -ENOTTY; + goto end; + } } dev_dbg(dev->dev, "Connect to FW Client ID = %d\n", |