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Diffstat (limited to 'fs')
-rw-r--r--fs/userfaultfd.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/fs/userfaultfd.c b/fs/userfaultfd.c
index 703c1c3faa6e..c49bef505775 100644
--- a/fs/userfaultfd.c
+++ b/fs/userfaultfd.c
@@ -1724,11 +1724,12 @@ static int userfaultfd_copy(struct userfaultfd_ctx *ctx,
ret = -EINVAL;
if (uffdio_copy.src + uffdio_copy.len <= uffdio_copy.src)
goto out;
- if (uffdio_copy.mode & ~UFFDIO_COPY_MODE_DONTWAKE)
+ if (uffdio_copy.mode & ~(UFFDIO_COPY_MODE_DONTWAKE|UFFDIO_COPY_MODE_WP))
goto out;
if (mmget_not_zero(ctx->mm)) {
ret = mcopy_atomic(ctx->mm, uffdio_copy.dst, uffdio_copy.src,
- uffdio_copy.len, &ctx->mmap_changing);
+ uffdio_copy.len, &ctx->mmap_changing,
+ uffdio_copy.mode);
mmput(ctx->mm);
} else {
return -ESRCH;