RDMA/mlx5: Don't check return value of zap_vma_ptes()

There is no need to check return value of zap_vma_ptes()
because there is nothing to do with this knowledge.

Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>

diff --git a/drivers/infiniband/hw/mlx5/main.c b/drivers/infiniband/hw/mlx5/main.c
index a182d19c557ecf636fd8f8da211fd788fc835d5b..0541581c5d84badf997e2b57ff3f9ac98b6b5741 100644 (file)
--- a/drivers/infiniband/hw/mlx5/main.c
+++ b/drivers/infiniband/hw/mlx5/main.c
@@ -1969,7 +1969,6 @@ static int mlx5_ib_set_vma_data(struct vm_area_struct *vma,
 
 static void mlx5_ib_disassociate_ucontext(struct ib_ucontext *ibcontext)
 {
-       int ret;
        struct vm_area_struct *vma;
        struct mlx5_ib_vma_private_data *vma_private, *n;
        struct mlx5_ib_ucontext *context = to_mucontext(ibcontext);
@@ -1978,9 +1977,7 @@ static void mlx5_ib_disassociate_ucontext(struct ib_ucontext *ibcontext)
        list_for_each_entry_safe(vma_private, n, &context->vma_private_list,
                                 list) {
                vma = vma_private->vma;
-               ret = zap_vma_ptes(vma, vma->vm_start,
-                                  PAGE_SIZE);
-               WARN_ONCE(ret, "%s: zap_vma_ptes failed", __func__);
+               zap_vma_ptes(vma, vma->vm_start, PAGE_SIZE);
                /* context going to be destroyed, should
                 * not access ops any more.
                 */