diff options
| author | Tejun Heo <tj@kernel.org> | 2011-02-21 11:43:56 +0300 |
|---|---|---|
| committer | Tejun Heo <tj@kernel.org> | 2011-02-21 11:43:56 +0300 |
| commit | 43d133c18b44e7d82d82ef0dcc2bddd55d5dfe81 (patch) | |
| tree | 8de75c837b55874cc8a81a29bdedbc62668d4481 /drivers/s390/block/dasd_alias.c | |
| parent | 4149efb22da66e326fc48baf80d628834509f7f0 (diff) | |
| parent | 6f576d57f1fa0d6026b495d8746d56d949989161 (diff) | |
| download | linux-43d133c18b44e7d82d82ef0dcc2bddd55d5dfe81.tar.xz | |
Merge branch 'master' into for-2.6.39
Diffstat (limited to 'drivers/s390/block/dasd_alias.c')
| -rw-r--r-- | drivers/s390/block/dasd_alias.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/s390/block/dasd_alias.c b/drivers/s390/block/dasd_alias.c index 4155805dcdff..2b771f18d1ad 100644 --- a/drivers/s390/block/dasd_alias.c +++ b/drivers/s390/block/dasd_alias.c @@ -319,6 +319,9 @@ void dasd_alias_disconnect_device_from_lcu(struct dasd_device *device) private = (struct dasd_eckd_private *) device->private; lcu = private->lcu; + /* nothing to do if already disconnected */ + if (!lcu) + return; device->discipline->get_uid(device, &uid); spin_lock_irqsave(&lcu->lock, flags); list_del_init(&device->alias_list); @@ -680,6 +683,9 @@ int dasd_alias_remove_device(struct dasd_device *device) private = (struct dasd_eckd_private *) device->private; lcu = private->lcu; + /* nothing to do if already removed */ + if (!lcu) + return 0; spin_lock_irqsave(&lcu->lock, flags); _remove_device_from_lcu(lcu, device); spin_unlock_irqrestore(&lcu->lock, flags); |