diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/infiniband/hw/mlx5/main.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/infiniband/hw/mlx5/main.c b/drivers/infiniband/hw/mlx5/main.c index ecd3aebc46fe..a24431746377 100644 --- a/drivers/infiniband/hw/mlx5/main.c +++ b/drivers/infiniband/hw/mlx5/main.c @@ -650,13 +650,13 @@ 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)) |