From eaf559bf566f76887533c077d425adce847f06c8 Mon Sep 17 00:00:00 2001 From: Roland Dreier <rolandd@cisco.com> Date: Tue, 9 Oct 2007 19:59:05 -0700 Subject: [PATCH] mlx4_core: Don't free special QPs in QP number bitmap Special QPs are not allocated using the regular QP number bitmap, so when they are destroyed, their QP number should not be freed in the bitmap. Found by Dotan Barak of Mellanox. Signed-off-by: Roland Dreier <rolandd@cisco.com> --- drivers/net/mlx4/qp.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/net/mlx4/qp.c b/drivers/net/mlx4/qp.c index 19b48c71cf7f2..278414b2d01cc 100644 --- a/drivers/net/mlx4/qp.c +++ b/drivers/net/mlx4/qp.c @@ -240,7 +240,8 @@ void mlx4_qp_free(struct mlx4_dev *dev, struct mlx4_qp *qp) mlx4_table_put(dev, &qp_table->auxc_table, qp->qpn); mlx4_table_put(dev, &qp_table->qp_table, qp->qpn); - mlx4_bitmap_free(&qp_table->bitmap, qp->qpn); + if (qp->qpn < dev->caps.sqp_start + 8) + mlx4_bitmap_free(&qp_table->bitmap, qp->qpn); } EXPORT_SYMBOL_GPL(mlx4_qp_free); -- 2.30.2