diff options
| author |   Jack Morgenstein <jackm@dev.mellanox.co.il> | 2007-05-13 17:18:23 +0300 |
|---|---|---|
| committer |   Roland Dreier <rolandd@cisco.com> | 2007-05-14 13:02:58 -0700 |
| commit | 26c6bc7b812b4157ba929035e467c0f4dd165916 (patch) | |
| tree | f66e1ef0bf5427d2518cd611464580337bc83441 /drivers/infiniband/hw/mlx4 | |
| parent | mlx4_core: Remove unused doorbell_lock (diff) | |
| download | linux-dev-26c6bc7b812b4157ba929035e467c0f4dd165916.tar.xz linux-dev-26c6bc7b812b4157ba929035e467c0f4dd165916.zip | |
IB/mlx4: Fix uninitialized spinlock for 32-bit archs
uar_lock spinlock was used in mlx4_ib_cq_arm without being initialized
(this only affects 32-bit archs, because uar_lock is not used on
64-bit archs and MLX4_INIT_DOORBELL_LOCK() is a NOP).
Signed-off-by: Jack Morgenstein <jackm@dev.mellanox.co.il>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
Diffstat (limited to 'drivers/infiniband/hw/mlx4')
| -rw-r--r-- | drivers/infiniband/hw/mlx4/main.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/infiniband/hw/mlx4/main.c b/drivers/infiniband/hw/mlx4/main.c index 688ecb4c39f3..402f3a20ec0a 100644 --- a/drivers/infiniband/hw/mlx4/main.c +++ b/drivers/infiniband/hw/mlx4/main.c @@ -489,6 +489,7 @@ static void *mlx4_ib_add(struct mlx4_dev *dev) ibdev->uar_map = ioremap(ibdev->priv_uar.pfn << PAGE_SHIFT, PAGE_SIZE); if (!ibdev->uar_map) goto err_uar; + MLX4_INIT_DOORBELL_LOCK(&ibdev->uar_lock); INIT_LIST_HEAD(&ibdev->pgdir_list); mutex_init(&ibdev->pgdir_mutex); |