[PATCH] perf sched: Fix resource leak in enable_sched_schedstats()

[liujing]

From: Liu Jing <liujing@xxxxxxxxxxxxxxxxxxxx>

In enable_sched_schedstats(), the FILE pointer fp is only closed when
ch == '0'. If ch is not '0' (i.e., sched_schedstats is already enabled),
the function returns 0 without calling fclose(fp), causing a resource
leak.

Fix it by adding fclose(fp) before the return statement.

Signed-off-by: Liu Jing <liujing@xxxxxxxxxxxxxxxxxxxx>
---
--- a/tools/perf/builtin-sched.c
+++ b/tools/perf/builtin-sched.c
@@ -4114,8 +4114,8 @@
 		*reset = 1;
 		rewind(fp);
 		putc('1', fp);
-		fclose(fp);
-	}
+	}
+	fclose(fp);
 	return 0;
 }