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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 <dledford@redhat.com>
This commit is contained in:
Doug Ledford 2018-06-01 11:19:19 -04:00
parent 7fc8ff267d
commit 008fba465d
1 changed files with 1 additions and 3 deletions
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4
drivers/infiniband/hw/hns/hns_roce_main.c
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@ -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_ucontext *context = to_hr_ucontext(ibcontext);
struct hns_roce_vma_data *vma_data, *n; struct hns_roce_vma_data *vma_data, *n;
struct vm_area_struct *vma; struct vm_area_struct *vma;
int ret;
mutex_lock(&context->vma_list_mutex); mutex_lock(&context->vma_list_mutex);
list_for_each_entry_safe(vma_data, n, &context->vma_list, list) { list_for_each_entry_safe(vma_data, n, &context->vma_list, list) {
vma = vma_data->vma; vma = vma_data->vma;
ret = zap_vma_ptes(vma, vma->vm_start, PAGE_SIZE); zap_vma_ptes(vma, vma->vm_start, PAGE_SIZE);
WARN_ONCE(ret, "%s: zap_vma_ptes failed", __func__);
vma->vm_flags &= ~(VM_SHARED | VM_MAYSHARE); vma->vm_flags &= ~(VM_SHARED | VM_MAYSHARE);
vma->vm_ops = NULL; vma->vm_ops = NULL;