diff options
| author | Tomas Winkler <tomas.winkler@intel.com> | 2015-07-23 15:08:45 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2015-08-03 17:24:16 -0700 |
| commit | dd070a1694c563bd7ba5239dd3038ff1420cf856 (patch) | |
| tree | 78e12a2ade7be0e3145b041bbefe108ea434cdce | |
| parent | 5b6dca29b416d8992d52d814aa4be5d7fc97799d (diff) | |
mei: bus: blacklist clients by number of connections
Currently we support only clients with single connection
and fixed address clients so all other clients are blacklisted
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | drivers/misc/mei/bus-fixup.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/drivers/misc/mei/bus-fixup.c b/drivers/misc/mei/bus-fixup.c index 696918a6fa4f..fd6470f42671 100644 --- a/drivers/misc/mei/bus-fixup.c +++ b/drivers/misc/mei/bus-fixup.c @@ -33,6 +33,24 @@ #define MEI_UUID_ANY NULL_UUID_LE /** + * number_of_connections - determine whether an client be on the bus + * according number of connections + * We support only clients: + * 1. with single connection + * 2. and fixed clients (max_number_of_connections == 0) + * + * @cldev: me clients device + */ +static void number_of_connections(struct mei_cl_device *cldev) +{ + dev_dbg(&cldev->dev, "running hook %s on %pUl\n", + __func__, mei_me_cl_uuid(cldev->me_cl)); + + if (cldev->me_cl->props.max_number_of_connections > 1) + cldev->do_match = 0; +} + +/** * blacklist - blacklist a client from the bus * * @cldev: me clients device @@ -435,6 +453,7 @@ static struct mei_fixup { const uuid_le uuid; void (*hook)(struct mei_cl_device *cldev); } mei_fixups[] = { + MEI_FIXUP(MEI_UUID_ANY, number_of_connections), MEI_FIXUP(MEI_UUID_NFC_INFO, blacklist), }; |