ftrace: Fix stddev calculation in function profiler

[~andy/linux] / kernel / range.c

diff --git a/kernel/range.c b/kernel/range.c
index 071b0ab455cb39b81d78b362a86ff6ee86263a55..eb911dbce2679d29fea7226084be73d34a7336dd 100644 (file)
--- a/kernel/range.c
+++ b/kernel/range.c
@@ -48,9 +48,11 @@ int add_range_with_merge(struct range *range, int az, int nr_range,
                final_start = min(range[i].start, start);
                final_end = max(range[i].end, end);
 
-               range[i].start = final_start;
-               range[i].end =  final_end;
-               return nr_range;
+               /* clear it and add it back for further merge */
+               range[i].start = 0;
+               range[i].end =  0;
+               return add_range_with_merge(range, az, nr_range,
+                       final_start, final_end);
        }
 
        /* Need to add it: */