diff options
Diffstat (limited to 'block/bio.c')
| -rw-r--r-- | block/bio.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/block/bio.c b/block/bio.c index 5dbc5e90d716..fe40948d62af 100644 --- a/block/bio.c +++ b/block/bio.c @@ -1380,10 +1380,7 @@ struct bio *bio_map_user_iov(struct request_queue *q, if (n > bytes) n = bytes; - /* - * sorry... - */ - if (bio_add_pc_page(q, bio, pages[j], n, offs) < n) + if (!bio_add_pc_page(q, bio, pages[j], n, offs)) break; /* @@ -1405,6 +1402,9 @@ struct bio *bio_map_user_iov(struct request_queue *q, while (j < npages) put_page(pages[j++]); kvfree(pages); + /* couldn't stuff something into bio? */ + if (bytes) + break; } bio_set_flag(bio, BIO_USER_MAPPED); |