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Commit dd070a16 authored by Tomas Winkler's avatar Tomas Winkler Committed by Greg Kroah-Hartman
Browse files

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: default avatarTomas Winkler <tomas.winkler@intel.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 5b6dca29

drivers/misc/mei/bus-fixup.c

+19 −0
Original line number Diff line number Diff line
@@ -32,6 +32,24 @@ 


#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

 *
@@ -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),

};