From: Leon Romanovsky <leonro@xxxxxxxxxxxx>
The failure reported by zap_vma_ptes() means that wrong VMA pages
were supplied, however it is impossible for this type of address.
Signed-off-by: Leon Romanovsky <leonro@xxxxxxxxxxxx>
---
drivers/infiniband/hw/mlx4/main.c | 10 ++--------
1 file changed, 2 insertions(+), 8 deletions(-)
diff --git a/drivers/infiniband/hw/mlx4/main.c b/drivers/infiniband/hw/mlx4/main.c
index 90d10aceee70..9ff38b06467c 100644
--- a/drivers/infiniband/hw/mlx4/main.c
+++ b/drivers/infiniband/hw/mlx4/main.c
@@ -1183,7 +1183,6 @@ static const struct vm_operations_struct mlx4_ib_vm_ops = {
static void mlx4_ib_disassociate_ucontext(struct ib_ucontext *ibcontext)
{
int i;
- int ret = 0;
struct vm_area_struct *vma;
struct mlx4_ib_ucontext *context = to_mucontext(ibcontext);
struct task_struct *owning_process = NULL;
@@ -1225,13 +1224,8 @@ static void mlx4_ib_disassociate_ucontext(struct ib_ucontext *ibcontext)
if (!vma)
continue;
- ret = zap_vma_ptes(context->hw_bar_info[i].vma,
- context->hw_bar_info[i].vma->vm_start,
- PAGE_SIZE);
- if (ret) {
- pr_err("Error: zap_vma_ptes failed for index=%d, ret=%d\n", i, ret);
- BUG_ON(1);
- }
+ zap_vma_ptes(context->hw_bar_info[i].vma,
+ context->hw_bar_info[i].vma->vm_start, PAGE_SIZE);
context->hw_bar_info[i].vma->vm_flags &=
~(VM_SHARED | VM_MAYSHARE);
--
2.14.3
--
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