add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/tools/testing/selftests/resctrl/mba_test.c
..
..
@@ -28,6 +28,7 @@
28
28
 	struct resctrl_val_param *p;
29
29
 	char allocation_str[64];
30
30
 	va_list param;
31
+	int ret;
31
32
 
32
33
 	va_start(param, num);
33
34
 	p = va_arg(param, struct resctrl_val_param *);
..
..
@@ -45,7 +46,11 @@
45
46
 
46
47
 	sprintf(allocation_str, "%d", allocation);
47
48
 
48
-	write_schemata(p->ctrlgrp, allocation_str, p->cpu_no, p->resctrl_val);
49
+	ret = write_schemata(p->ctrlgrp, allocation_str, p->cpu_no,
50
+			     p->resctrl_val);
51
+	if (ret < 0)
52
+		return ret;
53
+
49
54
 	allocation -= ALLOCATION_STEP;
50
55
 
51
56
 	return 0;