diff options
Diffstat (limited to 'drivers/infiniband/hw/mlx5/cmd.c')
| -rw-r--r-- | drivers/infiniband/hw/mlx5/cmd.c | 16 |
1 files changed, 7 insertions, 9 deletions
diff --git a/drivers/infiniband/hw/mlx5/cmd.c b/drivers/infiniband/hw/mlx5/cmd.c index 55a227cc8609..188512bf46e6 100644 --- a/drivers/infiniband/hw/mlx5/cmd.c +++ b/drivers/infiniband/hw/mlx5/cmd.c @@ -99,23 +99,21 @@ int mlx5_cmd_alloc_memic(struct mlx5_memic *memic, phys_addr_t *addr, MLX5_SET(alloc_memic_in, in, log_memic_addr_alignment, mlx5_alignment); - do { + while (page_idx < num_memic_hw_pages) { spin_lock(&memic->memic_lock); page_idx = bitmap_find_next_zero_area(memic->memic_alloc_pages, num_memic_hw_pages, page_idx, num_pages, 0); - if (page_idx + num_pages <= num_memic_hw_pages) + if (page_idx < num_memic_hw_pages) bitmap_set(memic->memic_alloc_pages, page_idx, num_pages); - else - ret = -ENOMEM; spin_unlock(&memic->memic_lock); - if (ret) - return ret; + if (page_idx >= num_memic_hw_pages) + break; MLX5_SET64(alloc_memic_in, in, range_start_addr, hw_start_addr + (page_idx * PAGE_SIZE)); @@ -138,10 +136,10 @@ int mlx5_cmd_alloc_memic(struct mlx5_memic *memic, phys_addr_t *addr, *addr = pci_resource_start(dev->pdev, 0) + MLX5_GET64(alloc_memic_out, out, memic_start_addr); - return ret; - } while (page_idx < num_memic_hw_pages); + return 0; + } - return ret; + return -ENOMEM; } int mlx5_cmd_dealloc_memic(struct mlx5_memic *memic, u64 addr, u64 length) |