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| author | Greg Kroah-Hartman <gregkh@suse.de> | 2011-02-24 20:36:31 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2011-02-24 20:36:31 +0100 |
| commit | f227e08b71b9c273eaa29a57370a3a5b833aa382 (patch) | |
| tree | 9f1483776a2bde3bb1a6bd744e69acf19f6f3428 /drivers/s390/block/dasd_alias.c | |
| parent | pch_uart: Fix DMA channel miss-setting issue. (diff) | |
| parent | Linux 2.6.38-rc6 (diff) | |
| download | linux-f227e08b71b9c273eaa29a57370a3a5b833aa382.tar.xz linux-f227e08b71b9c273eaa29a57370a3a5b833aa382.zip | |
Merge 2.6.38-rc6 into tty-next
This was to resolve a merge issue with drivers/char/Makefile and
drivers/tty/serial/68328serial.c
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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); |