Signed-off-by: Andy Grover <agrover@xxxxxxxxxx> --- 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 0921a64..51127d1 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; -- 1.7.1 -- To unsubscribe from this list: send the line "unsubscribe target-devel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
