diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2010-12-02 12:10:56 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-12-02 12:10:56 -0800 |
| commit | 75318ec3277d1fc46ecc129d7ef880b269fd9ee0 (patch) | |
| tree | 168d69f005bfa39c1c79f7b9f0516bc5865ab566 /drivers/net | |
| parent | 8cb280c90f9cfaab3ba3afbace0b1711dee80d0c (diff) | |
| parent | 7adce751ce79bcb6d0a591e6b94d76631c9a232c (diff) | |
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband:
IB: Fix information leak in marshalling code
IB/pack: Remove some unused code added by the IBoE patches
IB/mlx4: Fix IBoE link state
IB/mlx4: Fix IBoE reported link rate
mlx4_core: Workaround firmware bug in query dev cap
IB/mlx4: Fix memory ordering of VLAN insertion control bits
MAINTAINERS: Update NetEffect entry
Diffstat (limited to 'drivers/net')
| -rw-r--r-- | drivers/net/mlx4/fw.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/net/mlx4/fw.c b/drivers/net/mlx4/fw.c index b68eee2414c2..7a7e18ba278a 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); |