1 files changed, 2 insertions, 1 deletions

diff --git a/drivers/block/rbd.c b/drivers/block/rbd.c
index 0d80967e140c..d833d02b321f 100644
--- a/drivers/block/rbd.c
+++ b/drivers/block/rbd.c
@@ -1721,7 +1721,8 @@ static int rbd_init_disk(struct rbd_device *rbd_dev)
         if (!disk)
                 goto out;
 
-        sprintf(disk->disk_name, DRV_NAME "%d", rbd_dev->id);
+        snprintf(disk->disk_name, sizeof(disk->disk_name), DRV_NAME "%d",
+                 rbd_dev->id);
         disk->major = rbd_dev->major;
         disk->first_minor = 0;
         disk->fops = &rbd_bd_ops;