From 008fba465d7c010dc14c9d7fd57a7a743d50bf8e Mon Sep 17 00:00:00 2001 From: Doug Ledford Date: Fri, 1 Jun 2018 11:19:19 -0400 Subject: [PATCH] RDMA/hns_roce: 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: Doug Ledford --- drivers/infiniband/hw/hns/hns_roce_main.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) diff --git a/drivers/infiniband/hw/hns/hns_roce_main.c b/drivers/infiniband/hw/hns/hns_roce_main.c index 08c795e11cdd..21b901cfa2d6 100644 --- a/drivers/infiniband/hw/hns/hns_roce_main.c +++ b/drivers/infiniband/hw/hns/hns_roce_main.c @@ -475,13 +475,11 @@ static void hns_roce_disassociate_ucontext(struct ib_ucontext *ibcontext) struct hns_roce_ucontext *context = to_hr_ucontext(ibcontext); struct hns_roce_vma_data *vma_data, *n; struct vm_area_struct *vma; - int ret; mutex_lock(&context->vma_list_mutex); list_for_each_entry_safe(vma_data, n, &context->vma_list, list) { vma = vma_data->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); vma->vm_flags &= ~(VM_SHARED | VM_MAYSHARE); vma->vm_ops = NULL; -- 2.30.2