diff options
-rw-r--r-- | drivers/net/mlx4/pd.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/net/mlx4/pd.c b/drivers/net/mlx4/pd.c index 3a93c5f0f7a..aa616892d09 100644 --- a/drivers/net/mlx4/pd.c +++ b/drivers/net/mlx4/pd.c | |||
@@ -91,6 +91,13 @@ EXPORT_SYMBOL_GPL(mlx4_uar_free); | |||
91 | 91 | ||
92 | int mlx4_init_uar_table(struct mlx4_dev *dev) | 92 | int mlx4_init_uar_table(struct mlx4_dev *dev) |
93 | { | 93 | { |
94 | if (dev->caps.num_uars <= 128) { | ||
95 | mlx4_err(dev, "Only %d UAR pages (need more than 128)\n", | ||
96 | dev->caps.num_uars); | ||
97 | mlx4_err(dev, "Increase firmware log2_uar_bar_megabytes?\n"); | ||
98 | return -ENODEV; | ||
99 | } | ||
100 | |||
94 | return mlx4_bitmap_init(&mlx4_priv(dev)->uar_table.bitmap, | 101 | return mlx4_bitmap_init(&mlx4_priv(dev)->uar_table.bitmap, |
95 | dev->caps.num_uars, dev->caps.num_uars - 1, | 102 | dev->caps.num_uars, dev->caps.num_uars - 1, |
96 | max(128, dev->caps.reserved_uars)); | 103 | max(128, dev->caps.reserved_uars)); |