diff options
Diffstat (limited to 'mm/gup.c')
| -rw-r--r-- | mm/gup.c | 4 |
1 files changed, 1 insertions, 3 deletions
diff --git a/mm/gup.c b/mm/gup.c index b64a36175884e..7bf19ffa21999 100644 --- a/mm/gup.c +++ b/mm/gup.c @@ -430,10 +430,8 @@ static int check_vma_flags(struct vm_area_struct *vma, unsigned long gup_flags) * Anon pages in shared mappings are surprising: now * just reject it. */ - if (!is_cow_mapping(vm_flags)) { - WARN_ON_ONCE(vm_flags & VM_MAYWRITE); + if (!is_cow_mapping(vm_flags)) return -EFAULT; - } } } else if (!(vm_flags & VM_READ)) { if (!(gup_flags & FOLL_FORCE)) |