| From | Ben Hutchings <> | Date | Sat, 13 Aug 2016 18:42:51 +0100 | Subject | [PATCH 3.16 159/305] net/mlx5: Fix masking of reserved bits in XRCD number |
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3.16.37-rc1 review patch. If anyone has any objections, please let me know.
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From: Majd Dibbiny <majd@mellanox.com>
commit 9cd3411c42c5d5ba55d6e745edfe7df53c1ffa41 upstream.
Mask the reserved bits when reading the number of newly created XRCD.
Fixes: e126ba97dba9 ('mlx5: Add driver for Mellanox Connect-IB adapters') Signed-off-by: Majd Dibbiny <majd@mellanox.com> Signed-off-by: Saeed Mahameed <saeedm@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Ben Hutchings <ben@decadent.org.uk> --- drivers/net/ethernet/mellanox/mlx5/core/qp.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/net/ethernet/mellanox/mlx5/core/qp.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/qp.c @@ -274,7 +274,7 @@ int mlx5_core_xrcd_alloc(struct mlx5_cor if (out.hdr.status) err = mlx5_cmd_status_to_err(&out.hdr); else - *xrcdn = be32_to_cpu(out.xrcdn); + *xrcdn = be32_to_cpu(out.xrcdn) & 0xffffff; return err; }
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