diff options
-rw-r--r-- | fs/bio.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/fs/bio.c b/fs/bio.c index 098c12b2d60a9d..6a0b9ad8f8c9d0 100644 --- a/fs/bio.c +++ b/fs/bio.c @@ -654,9 +654,10 @@ static struct bio *__bio_map_user_iov(request_queue_t *q, write_to_vm, 0, &pages[cur_page], NULL); up_read(¤t->mm->mmap_sem); - if (ret < local_nr_pages) + if (ret < local_nr_pages) { + ret = -EFAULT; goto out_unmap; - + } offset = uaddr & ~PAGE_MASK; for (j = cur_page; j < page_limit; j++) { |