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authorIngo Molnar <mingo@elte.hu>2008-09-22 13:08:57 +0200
committerIngo Molnar <mingo@elte.hu>2008-09-22 13:08:57 +0200
commit0b88641f1bafdbd087d5e63987a30cc0eadd63b9 (patch)
tree81dcf756db373444140bb2623584710c628e3048 /drivers/net/mlx4/pd.c
parentfbdbf709938d155c719c76b9894d28342632c797 (diff)
parent72d31053f62c4bc464c2783974926969614a8649 (diff)
Merge commit 'v2.6.27-rc7' into x86/debug
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 3a93c5f0f7ab..aa616892d09c 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));