From: Miaohe Lin <linmiaohe@xxxxxxxxxx> When we reach here, !(cur->vm_flags & VM_MAYWRITE) is already checked and equals to false. So the condition here always equals to false and should be eliminated. Signed-off-by: Miaohe Lin <linmiaohe@xxxxxxxxxx> --- fs/userfaultfd.c | 2 -- 1 file changed, 2 deletions(-) diff --git a/fs/userfaultfd.c b/fs/userfaultfd.c index e39fdec8a0b0..e529e6bbb57b 100644 --- a/fs/userfaultfd.c +++ b/fs/userfaultfd.c @@ -1409,8 +1409,6 @@ static int userfaultfd_register(struct userfaultfd_ctx *ctx, if (end & (vma_hpagesize - 1)) goto out_unlock; } - if ((vm_flags & VM_UFFD_WP) && !(cur->vm_flags & VM_MAYWRITE)) - goto out_unlock; /* * Check that this vma isn't already owned by a -- 2.19.1
