diff --git a/mm/iov_iter.c b/mm/iov_iter.c index 081e3273085bb6a9971f29d91defc90baac1f489..fcdaaab438b6771a5e44889b7744e9c6f6916a9e 100644 --- a/mm/iov_iter.c +++ b/mm/iov_iter.c @@ -74,6 +74,10 @@ size_t copy_page_to_iter(struct page *page, size_t offset, size_t bytes, } kunmap(page); done: + if (skip == iov->iov_len) { + iov++; + skip = 0; + } i->count -= wanted - bytes; i->nr_segs -= iov - i->iov; i->iov = iov; @@ -152,6 +156,10 @@ size_t copy_page_from_iter(struct page *page, size_t offset, size_t bytes, } kunmap(page); done: + if (skip == iov->iov_len) { + iov++; + skip = 0; + } i->count -= wanted - bytes; i->nr_segs -= iov - i->iov; i->iov = iov;