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authorHaavard Skinnemoen <haavard.skinnemoen@atmel.com>2008-07-27 13:54:08 +0200
committerHaavard Skinnemoen <haavard.skinnemoen@atmel.com>2008-07-27 13:54:08 +0200
commiteda3d8f5604860aae1bb9996bb5efc4213778369 (patch)
tree9d3887d2665bcc5f5abf200758794545c7b2c69b /drivers/net/mlx4/pd.c
parent87a9f704658a40940e740b1d73d861667e9164d3 (diff)
parent8be1a6d6c77ab4532e4476fdb8177030ef48b52c (diff)
Merge commit 'upstream/master'
Diffstat (limited to 'drivers/net/mlx4/pd.c')
-rw-r--r--drivers/net/mlx4/pd.c7
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);
int mlx4_init_uar_table(struct mlx4_dev *dev)
{
+ if (dev->caps.num_uars <= 128) {
+ mlx4_err(dev, "Only %d UAR pages (need more than 128)\n",
+ dev->caps.num_uars);
+ mlx4_err(dev, "Increase firmware log2_uar_bar_megabytes?\n");
+ return -ENODEV;
+ }
+
return mlx4_bitmap_init(&mlx4_priv(dev)->uar_table.bitmap,
dev->caps.num_uars, dev->caps.num_uars - 1,
max(128, dev->caps.reserved_uars));