[PATCH RESEND 2/2] RDMA/mlx5: Fix xlt_chunk_align calculation

From: Niklas Schnelle
Date: Wed Sep 08 2021 - 04:19:40 EST


The XLT chunk alignment depends on ent_size not sizeof(ent_size) aka
sizeof(size_t).

Cc: stable@xxxxxxxxxxxxxxx
Fixes: 8010d74b9965b ("RDMA/mlx5: Split the WR setup out of mlx5_ib_update_xlt()")
Signed-off-by: Niklas Schnelle <schnelle@xxxxxxxxxxxxx>
---
drivers/infiniband/hw/mlx5/mr.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/infiniband/hw/mlx5/mr.c b/drivers/infiniband/hw/mlx5/mr.c
index 19713cdd7b78..061dbee55cac 100644
--- a/drivers/infiniband/hw/mlx5/mr.c
+++ b/drivers/infiniband/hw/mlx5/mr.c
@@ -995,7 +995,7 @@ static struct mlx5_ib_mr *alloc_cacheable_mr(struct ib_pd *pd,
static void *mlx5_ib_alloc_xlt(size_t *nents, size_t ent_size, gfp_t gfp_mask)
{
const size_t xlt_chunk_align =
- MLX5_UMR_MTT_ALIGNMENT / sizeof(ent_size);
+ MLX5_UMR_MTT_ALIGNMENT / ent_size;
size_t size;
void *res = NULL;

--
2.25.1