libblkid: improve MD I/O size calculation [lgtm scan]

Signed-off-by: Karel Zak <kzak@redhat.com>

diff --git a/libblkid/src/topology/md.c b/libblkid/src/topology/md.c
index 5eba94787dce0194a3fd7a0010ebe095b3fb877a..02f27a8c49782dd699fcfe3d83c4ce356bb905d7 100644 (file)
--- a/libblkid/src/topology/md.c
+++ b/libblkid/src/topology/md.c
@@ -135,7 +135,7 @@ static int probe_md_tp(blkid_probe pr,
        }
 
        blkid_topology_set_minimum_io_size(pr, md.chunk_size);
-       blkid_topology_set_optimal_io_size(pr, md.chunk_size * md.raid_disks);
+       blkid_topology_set_optimal_io_size(pr, (unsigned long) md.chunk_size * md.raid_disks);
 
        return 0;