Commit f9bfea99 authored by Guy Levi's avatar Guy Levi Committed by Doug Ledford

IB/mlx4: Check that reserved fields in mlx4_ib_create_qp_rss are zero

According to mlx4 convention, need to fail the command due to a non-zero
value in the user data which is expected to be zero.

Fixes: 3078f5f1 ("IB/mlx4: Add support for RSS QP")
Signed-off-by: default avatarGuy Levi <guyle@mellanox.com>
Signed-off-by: default avatarLeon Romanovsky <leon@kernel.org>
Signed-off-by: default avatarDoug Ledford <dledford@redhat.com>
parent b23673f8
...@@ -812,6 +812,9 @@ static struct ib_qp *_mlx4_ib_create_qp_rss(struct ib_pd *pd, ...@@ -812,6 +812,9 @@ static struct ib_qp *_mlx4_ib_create_qp_rss(struct ib_pd *pd,
return ERR_PTR(-EFAULT); return ERR_PTR(-EFAULT);
} }
if (memchr_inv(ucmd.reserved, 0, sizeof(ucmd.reserved)))
return ERR_PTR(-EOPNOTSUPP);
if (ucmd.comp_mask || ucmd.reserved1) if (ucmd.comp_mask || ucmd.reserved1)
return ERR_PTR(-EOPNOTSUPP); return ERR_PTR(-EOPNOTSUPP);
......
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