diff options
| author | mikem <mikem@beardog.cca.cpqcorp.net> | 2005-11-18 22:05:36 +0100 |
|---|---|---|
| committer | Jens Axboe <axboe@suse.de> | 2005-11-18 22:05:36 +0100 |
| commit | 6f5a0f7c955d3567f800fa36f978758cb5b99aa2 (patch) | |
| tree | ae4c3e9c46c8c02bbcf97c40f6e2e09865327569 /drivers/block/cciss.c | |
| parent | [PATCH 2/3] cciss: bug fix for BIG_PASS_THRU (diff) | |
| download | linux-6f5a0f7c955d3567f800fa36f978758cb5b99aa2.tar.xz linux-6f5a0f7c955d3567f800fa36f978758cb5b99aa2.zip | |
[PATCH 3/3] cciss: add put_disk into cleanup routines
Jeff Garzik pointed me to his code to see how to remove a disk from
the system _properly_. Well, here it is...
Every place we remove disks we are now testing before calling del_gendisk
or blk_cleanup_queue and then call put_disk.
Signed-off-by: Mike Miller <mike.miller@hp.com>
Signed-off-by: Jens Axboe <axboe@suse.de>
Diffstat (limited to 'drivers/block/cciss.c')
| -rw-r--r-- | drivers/block/cciss.c | 33 |
1 files changed, 24 insertions, 9 deletions
diff --git a/drivers/block/cciss.c b/drivers/block/cciss.c index 33f8341887d0..a9e33db46e68 100644 --- a/drivers/block/cciss.c +++ b/drivers/block/cciss.c @@ -1139,8 +1139,15 @@ static int revalidate_allvol(ctlr_info_t *host) for(i=0; i< NWD; i++) { struct gendisk *disk = host->gendisk[i]; - if (disk->flags & GENHD_FL_UP) - del_gendisk(disk); + if (disk) { + request_queue_t *q = disk->queue; + + if (disk->flags & GENHD_FL_UP) + del_gendisk(disk); + if (q) + blk_cleanup_queue(q); + put_disk(disk); + } } /* @@ -1454,10 +1461,13 @@ static int deregister_disk(struct gendisk *disk, drive_info_struct *drv, * allows us to delete disk zero but keep the controller registered. */ if (h->gendisk[0] != disk){ - if (disk->flags & GENHD_FL_UP){ - blk_cleanup_queue(disk->queue); - del_gendisk(disk); - drv->queue = NULL; + if (disk) { + request_queue_t *q = disk->queue; + if (disk->flags & GENHD_FL_UP) + del_gendisk(disk); + if (q) + blk_cleanup_queue(q); + put_disk(disk); } } @@ -3226,9 +3236,14 @@ static void __devexit cciss_remove_one (struct pci_dev *pdev) /* remove it from the disk list */ for (j = 0; j < NWD; j++) { struct gendisk *disk = hba[i]->gendisk[j]; - if (disk->flags & GENHD_FL_UP) { - del_gendisk(disk); - blk_cleanup_queue(disk->queue); + if (disk) { + request_queue_t *q = disk->queue; + + if (disk->flags & GENHD_FL_UP) + del_gendisk(disk); + if (q) + blk_cleanup_queue(q); + put_disk(disk); } } |