In STC_ReadLabel, the interaction with the tape device is
synchronous, so there is no need to allocate a task ID for status
monitoring. However, we do need to initialize the output value,
to avoid writing stack garbage on the wire.
Change-Id: Id2066e1fe95fa1de02577dfd844697b1ae770f30
afs_int32 code;
memset(label, 0, sizeof(*label));
+ /* Synchronous, so no "real" ID; don't send stack garbage on the wire */
+ *taskId = 0;
#ifdef xbsa
if (CONF_XBSA)
return (TC_BADTASK); /* ReadLabel does not apply if XBSA */