mei: bus: block send with vtag on non-conformat FW

Block data send with vtag if either transport layer or
FW client are not supporting vtags.

Cc: <[e-mail]> # v5.10+
Signed-off-by: Alexander Usyskin <[e-mail]>
Signed-off-by: Tomas Winkler <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]
Signed-off-by: Greg Kroah-Hartman <[e-mail]>

drivers/misc/mei/bus.c

···
 		goto out;
 	}
 
+	if (vtag) {
+		/* Check if vtag is supported by client */
+		rets = mei_cl_vt_support_check(cl);
+		if (rets)
+			goto out;
+	}
+
 	if (length > mei_cl_mtu(cl)) {
 		rets = -EFBIG;
 		goto out;