diff --git a/drivers/misc/mei/bus.c b/drivers/misc/mei/bus.c index 580074e3259962663d72254c30932804453a34fe..935acc6bbf3c6e6192b03a52ea22c5c0fd57c51a 100644 --- a/drivers/misc/mei/bus.c +++ b/drivers/misc/mei/bus.c @@ -61,6 +61,13 @@ ssize_t __mei_cl_send(struct mei_cl *cl, u8 *buf, size_t length, u8 vtag, 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;