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authorYevgeny Petrilin <yevgenyp@mellanox.co.il>2011-03-31 01:30:17 +0200
committerDavid S. Miller <davem@davemloft.net>2011-03-31 11:52:18 +0200
commitc37947459172a02691ccd48cb967e8b605d38c56 (patch)
treeb3f52f4e13d4fe95ffe4024cb09571f0c0791110 /drivers/net/mlx4
parentmlx4: Fixing use after free (diff)
downloadlinux-c37947459172a02691ccd48cb967e8b605d38c56.tar.xz
linux-c37947459172a02691ccd48cb967e8b605d38c56.zip
mlx4: Fixing bad size of event queue buffer
We should reduce the number of reserved completion queues from the total number of entries. Since the queue size is power of two, not reducing the reserved entries, caused a double queue size, which may lead to allocation failures in some cases. Signed-off-by: Yevgeny Petrilin <yevgenyp@mellanox.co.il> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/mlx4')
-rw-r--r--drivers/net/mlx4/eq.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/net/mlx4/eq.c b/drivers/net/mlx4/eq.c
index 506cfd0372ec..1ad1f6029af8 100644
--- a/drivers/net/mlx4/eq.c
+++ b/drivers/net/mlx4/eq.c
@@ -603,7 +603,9 @@ int mlx4_init_eq_table(struct mlx4_dev *dev)
}
for (i = 0; i < dev->caps.num_comp_vectors; ++i) {
- err = mlx4_create_eq(dev, dev->caps.num_cqs + MLX4_NUM_SPARE_EQE,
+ err = mlx4_create_eq(dev, dev->caps.num_cqs -
+ dev->caps.reserved_cqs +
+ MLX4_NUM_SPARE_EQE,
(dev->flags & MLX4_FLAG_MSI_X) ? i : 0,
&priv->eq_table.eq[i]);
if (err) {