1 files changed, 2 insertions, 1 deletions

diff --git a/drivers/scsi/scsi_debug.c b/drivers/scsi/scsi_debug.c
index 798a6afa4cbf..24d7496cd9e2 100644
--- a/drivers/scsi/scsi_debug.c
+++ b/drivers/scsi/scsi_debug.c
@@ -5439,7 +5439,8 @@ static int __init scsi_debug_init(void)
                 }
 
                 map_size = lba_to_map_index(sdebug_store_sectors - 1) + 1;
-                map_storep = vmalloc(BITS_TO_LONGS(map_size) * sizeof(long));
+                map_storep = vmalloc(array_size(sizeof(long),
+                                                BITS_TO_LONGS(map_size)));
 
                 pr_info("%lu provisioning blocks\n", map_size);