Commit f9bfea99 authored Aug 17, 2017 by Guy Levi Committed by Doug Ledford Aug 24, 2017

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: Guy Levi <guyle@mellanox.com>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Signed-off-by: Doug Ledford <dledford@redhat.com>

parent b23673f8

drivers/infiniband/hw/mlx4/qp.c

+3 −0

Original line number	Diff line number	Diff line
		@@ -812,6 +812,9 @@ static struct ib_qp _mlx4_ib_create_qp_rss(struct ib_pd pd,
		return ERR_PTR(-EFAULT);
		}

		if (memchr_inv(ucmd.reserved, 0, sizeof(ucmd.reserved)))
		return ERR_PTR(-EOPNOTSUPP);

		if (ucmd.comp_mask \|\| ucmd.reserved1)
		return ERR_PTR(-EOPNOTSUPP);