Merge remote-tracking branch 'ceph/master'

[karo-tx-linux.git] / mm / gup.c

diff --git a/mm/gup.c b/mm/gup.c
index b64a36175884e07604b0e216bc2d545a2892dcb7..7bf19ffa21999c13fa1f24dc01a6bda77217688c 100644 (file)
--- 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))