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| author | Jiri Kosina <jkosina@suse.cz> | 2011-02-15 12:24:31 +0300 |
|---|---|---|
| committer | Jiri Kosina <jkosina@suse.cz> | 2011-02-15 12:24:31 +0300 |
| commit | 0a9d59a2461477bd9ed143c01af9df3f8f00fa81 (patch) | |
| tree | df997d1cfb0786427a0df1fbd6f0640fa4248cf4 /drivers/s390/block/dasd_alias.c | |
| parent | a23ce6da9677d245aa0aadc99f4197030350ab54 (diff) | |
| parent | 795abaf1e4e188c4171e3cd3dbb11a9fcacaf505 (diff) | |
| download | linux-0a9d59a2461477bd9ed143c01af9df3f8f00fa81.tar.xz | |
Merge branch 'master' into for-next
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); |