On Thu, Dec 17, 2015 at 03:06:45PM +0300, Dan Carpenter wrote:
> On Thu, Dec 17, 2015 at 02:00:23AM -0500, ira.we...@intel.com wrote:
> > + mutex_lock(&uctxt->exp_lock);
> > + /*
> > + * The first step is to program the RcvArray entries which are complete
> > + * groups.
> > + */
> > + while (ngroups && uctxt->tid_group_list.count) {
> > + struct tid_group *grp =
> > + tid_group_pop(&uctxt->tid_group_list);
> > +
> > + ret = program_rcvarray(fp, vaddr, grp, pagesets,
> > + pageidx, dd->rcv_entries.group_size,
> > + pages, tidlist, &tididx, &mapped);
> > + /*
> > + * If there was a failure to program the RcvArray
> > + * entries for the entire group, reset the grp fields
> > + * and add the grp back to the free group list.
> > + */
> > + if (ret <= 0) {
> > + tid_group_add_tail(grp, &uctxt->tid_group_list);
> > + hfi1_cdbg(TID,
> > + "Failed to program RcvArray group %d", ret);
> > + goto unlock;
>
> We print a failure message but we still return success when ret == 0.
Not programming anything (return of 0) is allowed. So it should not be an
error here. User space is required to handle this case.
Ira
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