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-rw-r--r--drivers/block/ublk_drv.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/block/ublk_drv.c b/drivers/block/ublk_drv.c
index d441d3259edb..c3e3c3b65a6d 100644
--- a/drivers/block/ublk_drv.c
+++ b/drivers/block/ublk_drv.c
@@ -2849,7 +2849,8 @@ static int ublk_ctrl_add_dev(const struct ublksrv_ctrl_cmd *header)
if (copy_from_user(&info, argp, sizeof(info)))
return -EFAULT;
- if (info.queue_depth > UBLK_MAX_QUEUE_DEPTH || info.nr_hw_queues > UBLK_MAX_NR_QUEUES)
+ if (info.queue_depth > UBLK_MAX_QUEUE_DEPTH || !info.queue_depth ||
+ info.nr_hw_queues > UBLK_MAX_NR_QUEUES || !info.nr_hw_queues)
return -EINVAL;
if (capable(CAP_SYS_ADMIN))