diff options
| author | Ingo Molnar <mingo@elte.hu> | 2011-02-14 13:28:29 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2011-02-14 13:28:31 +0100 |
| commit | b366801c95bdbeda811ac9668a3943051a18c188 (patch) | |
| tree | 79f08da2ad33a3159e67df344a4c411c88da7db6 /drivers/s390/block/dasd_alias.c | |
| parent | eff9073790e1286aa12bf1c65814d3e0132b12e1 (diff) | |
| parent | 100b33c8bd8a3235fd0b7948338d6cbb3db3c63d (diff) | |
Merge commit 'v2.6.38-rc4' into x86/numa
Merge reason: Merge latest fixes before applying new patch.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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 4155805dcdf..2b771f18d1a 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); |