On Tue, Apr 17, 2018 at 11:39:13AM -0700, Yongseok Koh wrote: > The memory region is [start, end), so if the memseg of 'end' isn't > allocated yet, the returned memseg will have zero entries and this will > make 'end' zero (nil). > > Fixes: 718e35999c96 ("net/mlx5: use virt2memseg instead of iteration") > Cc: Anatoly Burakov <anatoly.bura...@intel.com> > > Signed-off-by: Yongseok Koh <ys...@mellanox.com>
Acked-by: Nelio Laranjeiro <nelio.laranje...@6wind.com> > --- > drivers/net/mlx5/mlx5_mr.c | 4 +--- > 1 file changed, 1 insertion(+), 3 deletions(-) > > diff --git a/drivers/net/mlx5/mlx5_mr.c b/drivers/net/mlx5/mlx5_mr.c > index fdf7b3e88..39bbe2481 100644 > --- a/drivers/net/mlx5/mlx5_mr.c > +++ b/drivers/net/mlx5/mlx5_mr.c > @@ -265,9 +265,7 @@ mlx5_mr_new(struct rte_eth_dev *dev, struct rte_mempool > *mp) > ms = rte_mem_virt2memseg((void *)start, NULL); > if (ms != NULL) > start = RTE_ALIGN_FLOOR(start, ms->hugepage_sz); > - ms = rte_mem_virt2memseg((void *)end, NULL); > - if (ms != NULL) > - end = RTE_ALIGN_CEIL(end, ms->hugepage_sz); > + end = RTE_ALIGN_CEIL(end, ms->hugepage_sz); > > DRV_LOG(DEBUG, > "port %u mempool %p using start=%p end=%p size=%zu for memory" > -- > 2.11.0 > -- Nélio Laranjeiro 6WIND