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authorDavid S. Miller <davem@davemloft.net>2010-12-26 22:37:05 -0800
committerDavid S. Miller <davem@davemloft.net>2010-12-26 22:37:05 -0800
commit17f7f4d9fcce8f1b75b5f735569309dee7665968 (patch)
tree14d7e49ca0053a0fcab3c33b5023bf3f90c5c08a /drivers/net/mlx4/fw.c
parent041110a439e21cd40709ead4ffbfa8034619ad77 (diff)
parentd7c1255a3a21e98bdc64df8ccf005a174d7e6289 (diff)
downloadop-kernel-dev-17f7f4d9fcce8f1b75b5f735569309dee7665968.zip
op-kernel-dev-17f7f4d9fcce8f1b75b5f735569309dee7665968.tar.gz
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
Conflicts: net/ipv4/fib_frontend.c
Diffstat (limited to 'drivers/net/mlx4/fw.c')
-rw-r--r--drivers/net/mlx4/fw.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/net/mlx4/fw.c b/drivers/net/mlx4/fw.c
index b68eee2..7a7e18b 100644
--- a/drivers/net/mlx4/fw.c
+++ b/drivers/net/mlx4/fw.c
@@ -289,6 +289,10 @@ int mlx4_QUERY_DEV_CAP(struct mlx4_dev *dev, struct mlx4_dev_cap *dev_cap)
MLX4_GET(field, outbox, QUERY_DEV_CAP_LOG_BF_REG_SZ_OFFSET);
dev_cap->bf_reg_size = 1 << (field & 0x1f);
MLX4_GET(field, outbox, QUERY_DEV_CAP_LOG_MAX_BF_REGS_PER_PAGE_OFFSET);
+ if ((1 << (field & 0x3f)) > (PAGE_SIZE / dev_cap->bf_reg_size)) {
+ mlx4_warn(dev, "firmware bug: log2 # of blue flame regs is invalid (%d), forcing 3\n", field & 0x1f);
+ field = 3;
+ }
dev_cap->bf_regs_per_page = 1 << (field & 0x3f);
mlx4_dbg(dev, "BlueFlame available (reg size %d, regs/page %d)\n",
dev_cap->bf_reg_size, dev_cap->bf_regs_per_page);
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