summaryrefslogtreecommitdiff
path: root/drivers/block/null_blk.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/block/null_blk.c')
-rw-r--r--drivers/block/null_blk.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/block/null_blk.c b/drivers/block/null_blk.c
index 83a598ebb65a..3107282a9741 100644
--- a/drivers/block/null_blk.c
+++ b/drivers/block/null_blk.c
@@ -616,6 +616,11 @@ static int __init null_init(void)
irqmode = NULL_IRQ_NONE;
}
#endif
+ if (bs > PAGE_SIZE) {
+ pr_warn("null_blk: invalid block size\n");
+ pr_warn("null_blk: defaults block size to %lu\n", PAGE_SIZE);
+ bs = PAGE_SIZE;
+ }
if (queue_mode == NULL_Q_MQ && use_per_node_hctx) {
if (submit_queues < nr_online_nodes) {