Re: [PATCH rdma-next 2/2] RDMA/mlx5: Fix memory leak in case we fail to add an IB device

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On Mon, Feb 11, 2019 at 09:12:03PM +0000, Mark Bloch wrote:
>
>
> On 2/11/2019 07:40, Leon Romanovsky wrote:
> > From: Mark Bloch <markb@xxxxxxxxxxxx>
> >
> > Make sure the IB device is freed on failure.
> >
> > Fixes: b5ca15ad7e61 ("IB/mlx5: Add proper representors support")
> > Signed-off-by: Mark Bloch <markb@xxxxxxxxxxxx>
> > Reviewed-by: Bodong Wang <bodong@xxxxxxxxxxxx>
> > Signed-off-by: Leon Romanovsky <leonro@xxxxxxxxxxxx>
> > ---
> >  drivers/infiniband/hw/mlx5/ib_rep.c | 4 +++-
> >  1 file changed, 3 insertions(+), 1 deletion(-)
> >
> > diff --git a/drivers/infiniband/hw/mlx5/ib_rep.c b/drivers/infiniband/hw/mlx5/ib_rep.c
> > index 6d7b8bad4b61..ff663e0ec3c2 100644
> > --- a/drivers/infiniband/hw/mlx5/ib_rep.c
> > +++ b/drivers/infiniband/hw/mlx5/ib_rep.c
> > @@ -78,8 +78,10 @@ mlx5_ib_vport_rep_load(struct mlx5_core_dev *dev, struct mlx5_eswitch_rep *rep)
> >  	ibdev->mdev = dev;
> >  	ibdev->num_ports = max(MLX5_CAP_GEN(dev, num_ports),
> >  			       MLX5_CAP_GEN(dev, num_vhca_ports));
> > -	if (!__mlx5_ib_add(ibdev, &rep_profile))
> > +	if (!__mlx5_ib_add(ibdev, &rep_profile)) {
> > +		ib_dealloc_device(&dev->ib_dev);
> >  		return -EINVAL;
> > +	}
> >
>
> This is wrong :/
>

Thanks,

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