Re: [PATCH rdma-next] RDMA: Convert destroy_wq to be void

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On Wed, Jun 12, 2019 at 03:51:12PM +0300, Leon Romanovsky wrote:
> On Wed, Jun 12, 2019 at 03:40:50PM +0300, Yuval Shaia wrote:
> > On Wed, Jun 12, 2019 at 03:27:41PM +0300, Leon Romanovsky wrote:
> > > From: Leon Romanovsky <leonro@xxxxxxxxxxxx>
> > >
> > > All callers of destroy WQ are always success and there is no need
> > > to check their return value, so convert destroy_wq to be void.
> > >
> > > Signed-off-by: Leon Romanovsky <leonro@xxxxxxxxxxxx>
> > > ---
> > >  drivers/infiniband/core/verbs.c      | 12 +++++-------
> > >  drivers/infiniband/hw/mlx4/mlx4_ib.h |  2 +-
> > >  drivers/infiniband/hw/mlx4/qp.c      |  4 +---
> > >  drivers/infiniband/hw/mlx5/mlx5_ib.h |  2 +-
> > >  drivers/infiniband/hw/mlx5/qp.c      |  4 +---
> > >  include/rdma/ib_verbs.h              |  2 +-
> > >  6 files changed, 10 insertions(+), 16 deletions(-)
> > >
> > > diff --git a/drivers/infiniband/core/verbs.c b/drivers/infiniband/core/verbs.c
> > > index 2fb834bb146c..d55f491be24f 100644
> > > --- a/drivers/infiniband/core/verbs.c
> > > +++ b/drivers/infiniband/core/verbs.c
> > > @@ -2344,19 +2344,17 @@ EXPORT_SYMBOL(ib_create_wq);
> > >   */
> > >  int ib_destroy_wq(struct ib_wq *wq, struct ib_udata *udata)
> >
> > So why this one left out of this change?
> 
> This function can return -EBUSY.

Missed that.

> 
> >
> > >  {
> > > -	int err;
> > >  	struct ib_cq *cq = wq->cq;
> > >  	struct ib_pd *pd = wq->pd;
> > >
> > >  	if (atomic_read(&wq->usecnt))
> > >  		return -EBUSY;
> 
> Thanks

Reviewed-by: Yuval Shaia <yuval.shaia@xxxxxxxxxx>




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