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IB/mlx4: Fix uninitialized spinlock for 32-bit archs

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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 <[email protected]>
Signed-off-by: Roland Dreier <[email protected]>
This commit is contained in:
Jack Morgenstein 2007-05-13 17:18:23 +03:00 • committed by Roland Dreier
commit 26c6bc7b81
1 changed files with 1 additions and 0 deletions
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1
drivers/infiniband/hw/mlx4/main.c
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@ -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);