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-rw-r--r--mm/gup.c4
1 files changed, 1 insertions, 3 deletions
diff --git a/mm/gup.c b/mm/gup.c
index b64a36175884..7bf19ffa2199 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))