staging: rdma: hfi1: Do not use | with a variable with value 0
mr->lkey has a value equal to 0. There is no need to combine it with
other things with | as for any value x, 0|x is always x.
Semantic patch used:
@@
expression x, e, e1;
statement S;
@@
if (x == 0) {
... when != x = e1
when != while(...) S
when != for(...;...;...) S
(
* x |= e
|
* x | e
)
... when any
}