mmap locking API: use coccinelle to convert mmap_sem rwsem call sites

[linux-2.6-microblaze.git] / drivers / infiniband / hw / mlx4 / mr.c

diff --git a/drivers/infiniband/hw/mlx4/mr.c b/drivers/infiniband/hw/mlx4/mr.c
index e2fb71b..7e0b205 100644 (file)
--- a/drivers/infiniband/hw/mlx4/mr.c
+++ b/drivers/infiniband/hw/mlx4/mr.c
@@ -380,7 +380,7 @@ static struct ib_umem *mlx4_get_umem_mr(struct ib_device *device, u64 start,
                unsigned long untagged_start = untagged_addr(start);
                struct vm_area_struct *vma;
 
-               down_read(&current->mm->mmap_sem);
+               mmap_read_lock(current->mm);
                /*
                 * FIXME: Ideally this would iterate over all the vmas that
                 * cover the memory, but for now it requires a single vma to
@@ -395,7 +395,7 @@ static struct ib_umem *mlx4_get_umem_mr(struct ib_device *device, u64 start,
                        access_flags |= IB_ACCESS_LOCAL_WRITE;
                }
 
-               up_read(&current->mm->mmap_sem);
+               mmap_read_unlock(current->mm);
        }
 
        return ib_umem_get(device, start, length, access_flags);