diff options
author | Takashi Iwai <tiwai@suse.de> | 2009-05-12 11:57:09 +0200 |
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committer | Takashi Iwai <tiwai@suse.de> | 2009-05-12 11:57:09 +0200 |
commit | ddc4097b77bbb227851a44287acb2fb8a9896cc1 (patch) | |
tree | 319d098879bed7c45543d983de8becd509701b22 /drivers/s390/scsi/zfcp_sysfs.c | |
parent | bec4c99e8637b5b8bd4b0513eacb51da25885e3b (diff) | |
parent | ae31c1fbdbb18d917b0a1139497c2dbd35886989 (diff) |
Merge branch 'topic/drvdata-fix' into topic/asoc
Diffstat (limited to 'drivers/s390/scsi/zfcp_sysfs.c')
-rw-r--r-- | drivers/s390/scsi/zfcp_sysfs.c | 21 |
1 files changed, 15 insertions, 6 deletions
diff --git a/drivers/s390/scsi/zfcp_sysfs.c b/drivers/s390/scsi/zfcp_sysfs.c index 9a3b8e261c0..3e51e64d110 100644 --- a/drivers/s390/scsi/zfcp_sysfs.c +++ b/drivers/s390/scsi/zfcp_sysfs.c @@ -254,12 +254,21 @@ static ssize_t zfcp_sysfs_unit_remove_store(struct device *dev, write_lock_irq(&zfcp_data.config_lock); unit = zfcp_get_unit_by_lun(port, fcp_lun); - if (unit && (atomic_read(&unit->refcount) == 0)) { - zfcp_unit_get(unit); - atomic_set_mask(ZFCP_STATUS_COMMON_REMOVE, &unit->status); - list_move(&unit->list, &unit_remove_lh); - } else - unit = NULL; + if (unit) { + write_unlock_irq(&zfcp_data.config_lock); + /* wait for possible timeout during SCSI probe */ + flush_work(&unit->scsi_work); + write_lock_irq(&zfcp_data.config_lock); + + if (atomic_read(&unit->refcount) == 0) { + zfcp_unit_get(unit); + atomic_set_mask(ZFCP_STATUS_COMMON_REMOVE, + &unit->status); + list_move(&unit->list, &unit_remove_lh); + } else { + unit = NULL; + } + } write_unlock_irq(&zfcp_data.config_lock); |