diff options
Diffstat (limited to 'drivers/target/target_core_rd.c')
| -rw-r--r-- | drivers/target/target_core_rd.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/target/target_core_rd.c b/drivers/target/target_core_rd.c index 0921a64b5550..51127d15d5c5 100644 --- a/drivers/target/target_core_rd.c +++ b/drivers/target/target_core_rd.c @@ -139,6 +139,11 @@ static int rd_build_device_space(struct rd_dev *rd_dev) rd_dev->rd_page_count); return -EINVAL; } + + /* Don't need backing pages for NULLIO */ + if (rd_dev->rd_flags & RDF_NULLIO) + return 0; + total_sg_needed = rd_dev->rd_page_count; sg_tables = (total_sg_needed / max_sg_per_table) + 1; |