diff options
Diffstat (limited to 'block')
| -rw-r--r-- | block/blk-map.c | 7 | ||||
| -rw-r--r-- | block/genhd.c | 8 |
2 files changed, 12 insertions, 3 deletions
diff --git a/block/blk-map.c b/block/blk-map.c index e663ac2d8e68..164cd0059706 100644 --- a/block/blk-map.c +++ b/block/blk-map.c @@ -204,10 +204,11 @@ int blk_rq_map_user_iov(struct request_queue *q, struct request *rq, if (!iov[i].iov_len) return -EINVAL; - if (uaddr & queue_dma_alignment(q)) { + /* + * Keep going so we check length of all segments + */ + if (uaddr & queue_dma_alignment(q)) unaligned = 1; - break; - } } if (unaligned || (q->dma_pad_mask & len) || map_data) diff --git a/block/genhd.c b/block/genhd.c index cbf7b880e9d4..b65f565c0277 100644 --- a/block/genhd.c +++ b/block/genhd.c @@ -611,6 +611,12 @@ void add_disk(struct gendisk *disk) register_disk(disk); blk_register_queue(disk); + /* + * Take an extra ref on queue which will be put on disk_release() + * so that it sticks around as long as @disk is there. + */ + WARN_ON_ONCE(blk_get_queue(disk->queue)); + retval = sysfs_create_link(&disk_to_dev(disk)->kobj, &bdi->dev->kobj, "bdi"); WARN_ON(retval); @@ -1103,6 +1109,8 @@ static void disk_release(struct device *dev) disk_replace_part_tbl(disk, NULL); free_part_stats(&disk->part0); free_part_info(&disk->part0); + if (disk->queue) + blk_put_queue(disk->queue); kfree(disk); } |