[ofa-general] mlx4_en: Memory leak on completion queue free.

[Yevgeny Petrilin]

If port is being destroyed without being activated before,
CQ resources are not freed.

Signed-off-by: Yevgeny Petrilin <yevgenyp at mellanox.co.il>
---
Hello Jeff,
this regression fix for 2.6.28

 drivers/net/mlx4/en_cq.c |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)

diff --git a/drivers/net/mlx4/en_cq.c b/drivers/net/mlx4/en_cq.c
index 1368a80..1a936f4 100644
--- a/drivers/net/mlx4/en_cq.c
+++ b/drivers/net/mlx4/en_cq.c
@@ -68,6 +68,8 @@ int mlx4_en_create_cq(struct mlx4_en_priv *priv,
 	err = mlx4_en_map_buffer(&cq->wqres.buf);
 	if (err)
 		mlx4_free_hwq_res(mdev->dev, &cq->wqres, cq->buf_size);
+	else
+		cq->buf = (struct mlx4_cqe *) cq->wqres.buf.direct.buf;

 	return err;
 }
@@ -82,7 +84,6 @@ int mlx4_en_activate_cq(struct mlx4_en_priv *priv, struct mlx4_en_cq *cq)
 	cq->mcq.arm_db     = cq->wqres.db.db + 1;
 	*cq->mcq.set_ci_db = 0;
 	*cq->mcq.arm_db    = 0;
-	cq->buf = (struct mlx4_cqe *) cq->wqres.buf.direct.buf;
 	memset(cq->buf, 0, cq->buf_size);

 	err = mlx4_cq_alloc(mdev->dev, cq->size, &cq->wqres.mtt, &mdev->priv_uar,
-- 
1.5.4