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authorIngo Molnar <mingo@elte.hu>2010-12-08 20:15:26 +0100
committerIngo Molnar <mingo@elte.hu>2010-12-08 20:15:29 +0100
commit8e9255e6a2141e050d51bc4d96dbef494a87d653 (patch)
treef190b142830153eaab05555a93c4f71a144ba3d4 /drivers/net/mlx4
parent5091faa449ee0b7d73bc296a93bca9540fc51d0a (diff)
parent6313e3c21743cc88bb5bd8aa72948ee1e83937b6 (diff)
Merge branch 'linus' into sched/core
Merge reason: we want to queue up dependent cleanup Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'drivers/net/mlx4')
-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 b68eee2414c..7a7e18ba278 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);