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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>
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1 changed files with 19 additions and 0 deletions
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@ -32,6 +32,24 @@
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#define MEI_UUID_ANY NULL_UUID_LE
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/**
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* number_of_connections - determine whether an client be on the bus
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* according number of connections
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* We support only clients:
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* 1. with single connection
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* 2. and fixed clients (max_number_of_connections == 0)
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*
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* @cldev: me clients device
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*/
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static void number_of_connections(struct mei_cl_device *cldev)
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{
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dev_dbg(&cldev->dev, "running hook %s on %pUl\n",
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__func__, mei_me_cl_uuid(cldev->me_cl));
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if (cldev->me_cl->props.max_number_of_connections > 1)
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cldev->do_match = 0;
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}
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/**
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* blacklist - blacklist a client from the bus
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*
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@ -435,6 +453,7 @@ static struct mei_fixup {
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const uuid_le uuid;
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void (*hook)(struct mei_cl_device *cldev);
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} mei_fixups[] = {
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MEI_FIXUP(MEI_UUID_ANY, number_of_connections),
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MEI_FIXUP(MEI_UUID_NFC_INFO, blacklist),
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};
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