From 96525b9e193139d11cabaaa6f27801bc636a447a Mon Sep 17 00:00:00 2001 From: Yongseok Koh Date: Tue, 17 Apr 2018 11:39:14 -0700 Subject: [PATCH] net/mlx4: fix alignment of memory region 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: c2fe5823224a ("net/mlx4: use virt2memseg instead of iteration") Signed-off-by: Yongseok Koh Acked-by: Adrien Mazarguil --- drivers/net/mlx4/mlx4_mr.c | 5 +---- 1 file changed, 1 insertion(+), 4 deletions(-) diff --git a/drivers/net/mlx4/mlx4_mr.c b/drivers/net/mlx4/mlx4_mr.c index e69b433228..8d5a6741dd 100644 --- a/drivers/net/mlx4/mlx4_mr.c +++ b/drivers/net/mlx4/mlx4_mr.c @@ -144,10 +144,7 @@ mlx4_mr_get(struct priv *priv, 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); DEBUG("mempool %p using start=%p end=%p size=%zu for MR", (void *)mp, (void *)start, (void *)end, (size_t)(end - start)); -- 2.20.1