diff options
Diffstat (limited to 'drivers/infiniband/hw/mlx5/main.c')
-rw-r--r-- | drivers/infiniband/hw/mlx5/main.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/infiniband/hw/mlx5/main.c b/drivers/infiniband/hw/mlx5/main.c index f3114d1132fb..1ba6c42e4df8 100644 --- a/drivers/infiniband/hw/mlx5/main.c +++ b/drivers/infiniband/hw/mlx5/main.c @@ -657,13 +657,13 @@ static int mlx5_ib_mmap(struct ib_ucontext *ibcontext, struct vm_area_struct *vm return -EINVAL; idx = get_index(vma->vm_pgoff); + if (idx >= uuari->num_uars) + return -EINVAL; + pfn = uar_index2pfn(dev, uuari->uars[idx].index); mlx5_ib_dbg(dev, "uar idx 0x%lx, pfn 0x%llx\n", idx, (unsigned long long)pfn); - if (idx >= uuari->num_uars) - return -EINVAL; - vma->vm_page_prot = pgprot_writecombine(vma->vm_page_prot); if (io_remap_pfn_range(vma, vma->vm_start, pfn, PAGE_SIZE, vma->vm_page_prot)) @@ -1425,8 +1425,8 @@ err_dealloc: static void mlx5_ib_remove(struct mlx5_core_dev *mdev, void *context) { struct mlx5_ib_dev *dev = context; - destroy_umrc_res(dev); ib_unregister_device(&dev->ib_dev); + destroy_umrc_res(dev); destroy_dev_resources(&dev->devr); free_comp_eqs(dev); ib_dealloc_device(&dev->ib_dev); |