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net/mlx4: Fix the check in attaching steering rules

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Our previous patch (cited below) introduced a regression
for RAW Eth QPs.

Fix it by checking if the QP number provided by user-space
exists, hence allowing steering rules to be added for valid
QPs only.

Fixes: 89c557687a ("net/mlx4_en: Avoid adding steering rules with invalid ring")
Reported-by: Or Gerlitz <gerlitz.or@gmail.com>
Signed-off-by: Talat Batheesh <talatb@mellanox.com>
Signed-off-by: Tariq Toukan <tariqt@mellanox.com>
Acked-by: Or Gerlitz <ogerlitz@mellanox.com>
Reviewed-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Talat Batheesh
2017-06-04 14:30:07 +03:00
committed by David S. Miller
parent b699d00358
commit 6dc06c08be
4 changed files with 25 additions and 9 deletions
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1
include/linux/mlx4/qp.h
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@@ -470,6 +470,7 @@ struct mlx4_update_qp_params {
u16 rate_val;
};
struct mlx4_qp *mlx4_qp_lookup(struct mlx4_dev *dev, u32 qpn);
int mlx4_update_qp(struct mlx4_dev *dev, u32 qpn,
enum mlx4_update_qp_attr attr,
struct mlx4_update_qp_params *params);