mei: add mei_me_cl_by_uuid_id function
When handling dynamic clients there might be a race
scenario in which two me clients with the same me
address would be linked in the me clients list,
therefore we need to search by both uuid and me address.
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/drivers/misc/mei/nfc.c b/drivers/misc/mei/nfc.c
index 964b4c6..e0e75d4 100644
--- a/drivers/misc/mei/nfc.c
+++ b/drivers/misc/mei/nfc.c
@@ -507,12 +507,12 @@
}
cl_info->me_client_id = me_cl->client_id;
+ cl_info->cl_uuid = me_cl->props.protocol_name;
ret = mei_cl_link(cl_info, MEI_HOST_CLIENT_ID_ANY);
if (ret)
goto err;
- cl_info->device_uuid = mei_nfc_info_guid;
list_add_tail(&cl_info->device_link, &dev->device_list);
@@ -525,14 +525,12 @@
}
cl->me_client_id = me_cl->client_id;
+ cl->cl_uuid = me_cl->props.protocol_name;
ret = mei_cl_link(cl, MEI_HOST_CLIENT_ID_ANY);
if (ret)
goto err;
- cl->device_uuid = mei_nfc_guid;
-
-
list_add_tail(&cl->device_link, &dev->device_list);
ndev->req_id = 1;