libblkid/src/topology/dm: fix fscanf return value check to match expected number...

(cherry picked from commit 51c0697e5551fe3c2d481a4ac71d81695e5374ba)

diff --git a/libblkid/src/topology/dm.c b/libblkid/src/topology/dm.c
index 612b5df3369e2a544c8ee9af0ae5b37f1e41adfc..65117106d0b877d9b744fe86e416cd39e66727df 100644 (file)
--- a/libblkid/src/topology/dm.c
+++ b/libblkid/src/topology/dm.c
@@ -108,7 +108,7 @@ static int probe_dm_tp(blkid_probe pr,
        }
 
        if (fscanf(stream, "%lld %lld striped %d %d ",
-                       &offset, &size, &stripes, &stripesize) != 0)
+                       &offset, &size, &stripes, &stripesize) != 4)
                goto nothing;
 
        blkid_topology_set_minimum_io_size(pr, stripesize << 9);