diff options
Diffstat (limited to 'drivers/s390/cio/idset.c')
| -rw-r--r-- | drivers/s390/cio/idset.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/s390/cio/idset.c b/drivers/s390/cio/idset.c index cf8f24a4b5eb..77e42cb127bb 100644 --- a/drivers/s390/cio/idset.c +++ b/drivers/s390/cio/idset.c @@ -110,3 +110,13 @@ int idset_sch_get_first(struct idset *set, struct subchannel_id *schid) } return rc; } + +int idset_is_empty(struct idset *set) +{ + int bitnum; + + bitnum = find_first_bit(set->bitmap, set->num_ssid * set->num_id); + if (bitnum >= set->num_ssid * set->num_id) + return 1; + return 0; +} |