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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: 3078f5f1bd ("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>
This commit is contained in:
Guy Levi 2017-08-17 15:50:49 +03:00 committed by Doug Ledford
parent b23673f86f
commit f9bfea992e
1 changed files with 3 additions and 0 deletions
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3
drivers/infiniband/hw/mlx4/qp.c
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@ -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);