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| author | Ingo Molnar <mingo@elte.hu> | 2008-11-19 09:44:37 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-11-19 09:44:37 +0100 |
| commit | 3ac3ba0b396fd99550e08034b0e4c27fdf39c252 (patch) | |
| tree | f9f69fac41d66540a37a33808714d055d702328f /block | |
| parent | 934352f214b3251eb0793c1209d346595a661d80 (diff) | |
| parent | 7f0f598a0069d1ab072375965a4b69137233169c (diff) | |
| download | op-kernel-dev-3ac3ba0b396fd99550e08034b0e4c27fdf39c252.zip op-kernel-dev-3ac3ba0b396fd99550e08034b0e4c27fdf39c252.tar.gz | |
Merge branch 'linus' into sched/core
Conflicts:
kernel/Makefile
Diffstat (limited to 'block')
| -rw-r--r-- | block/blk-map.c | 6 | ||||
| -rw-r--r-- | block/genhd.c | 2 | ||||
| -rw-r--r-- | block/ioctl.c | 7 |
3 files changed, 11 insertions, 4 deletions
diff --git a/block/blk-map.c b/block/blk-map.c index 4849fa3..0f4b4b8 100644 --- a/block/blk-map.c +++ b/block/blk-map.c @@ -217,6 +217,12 @@ int blk_rq_map_user_iov(struct request_queue *q, struct request *rq, return PTR_ERR(bio); if (bio->bi_size != len) { + /* + * Grab an extra reference to this bio, as bio_unmap_user() + * expects to be able to drop it twice as it happens on the + * normal IO completion path + */ + bio_get(bio); bio_endio(bio, 0); bio_unmap_user(bio); return -EINVAL; diff --git a/block/genhd.c b/block/genhd.c index 4e5e749..27549e4 100644 --- a/block/genhd.c +++ b/block/genhd.c @@ -768,6 +768,8 @@ static int __init genhd_device_init(void) bdev_map = kobj_map_init(base_probe, &block_class_lock); blk_dev_init(); + register_blkdev(BLOCK_EXT_MAJOR, "blkext"); + #ifndef CONFIG_SYSFS_DEPRECATED /* create top-level block dir */ block_depr = kobject_create_and_add("block", NULL); diff --git a/block/ioctl.c b/block/ioctl.c index c832d63..d03985b 100644 --- a/block/ioctl.c +++ b/block/ioctl.c @@ -18,7 +18,6 @@ static int blkpg_ioctl(struct block_device *bdev, struct blkpg_ioctl_arg __user struct disk_part_iter piter; long long start, length; int partno; - int err; if (!capable(CAP_SYS_ADMIN)) return -EACCES; @@ -61,10 +60,10 @@ static int blkpg_ioctl(struct block_device *bdev, struct blkpg_ioctl_arg __user disk_part_iter_exit(&piter); /* all seems OK */ - err = add_partition(disk, partno, start, length, - ADDPART_FLAG_NONE); + part = add_partition(disk, partno, start, length, + ADDPART_FLAG_NONE); mutex_unlock(&bdev->bd_mutex); - return err; + return IS_ERR(part) ? PTR_ERR(part) : 0; case BLKPG_DEL_PARTITION: part = disk_get_part(disk, partno); if (!part) |
