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path: root/drivers/s390/block/dasd_alias.c
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Diffstat (limited to 'drivers/s390/block/dasd_alias.c')
-rw-r--r--drivers/s390/block/dasd_alias.c9
1 files changed, 7 insertions, 2 deletions
diff --git a/drivers/s390/block/dasd_alias.c b/drivers/s390/block/dasd_alias.c
index dc78a523a69f..b6b938aa6615 100644
--- a/drivers/s390/block/dasd_alias.c
+++ b/drivers/s390/block/dasd_alias.c
@@ -675,12 +675,12 @@ int dasd_alias_remove_device(struct dasd_device *device)
struct dasd_device *dasd_alias_get_start_dev(struct dasd_device *base_device)
{
struct dasd_eckd_private *alias_priv, *private = base_device->private;
- struct alias_pav_group *group = private->pavgroup;
struct alias_lcu *lcu = private->lcu;
struct dasd_device *alias_device;
+ struct alias_pav_group *group;
unsigned long flags;
- if (!group || !lcu)
+ if (!lcu)
return NULL;
if (lcu->pav == NO_PAV ||
lcu->flags & (NEED_UAC_UPDATE | UPDATE_PENDING))
@@ -697,6 +697,11 @@ struct dasd_device *dasd_alias_get_start_dev(struct dasd_device *base_device)
}
spin_lock_irqsave(&lcu->lock, flags);
+ group = private->pavgroup;
+ if (!group) {
+ spin_unlock_irqrestore(&lcu->lock, flags);
+ return NULL;
+ }
alias_device = group->next;
if (!alias_device) {
if (list_empty(&group->aliaslist)) {