up_read(¤t->mm->mmap_sem);
if (ret < 0 && dio->blocks_available && (dio->rw == WRITE)) {
+ struct page *page = ZERO_PAGE(dio->curr_user_address);
/*
* A memory fault, but the filesystem has some outstanding
* mapped blocks. We need to use those blocks up to avoid
*/
if (dio->page_errors == 0)
dio->page_errors = ret;
- dio->pages[0] = ZERO_PAGE(dio->curr_user_address);
+ page_cache_get(page);
+ dio->pages[0] = page;
dio->head = 0;
dio->tail = 1;
ret = 0;