aboutsummaryrefslogtreecommitdiff
path: root/Documentation/accounting/getdelays.c
diff options
context:
space:
mode:
Diffstat (limited to 'Documentation/accounting/getdelays.c')
-rw-r--r--Documentation/accounting/getdelays.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/Documentation/accounting/getdelays.c b/Documentation/accounting/getdelays.c
index cc49400b4af..7ea231172c8 100644
--- a/Documentation/accounting/getdelays.c
+++ b/Documentation/accounting/getdelays.c
@@ -392,6 +392,10 @@ int main(int argc, char *argv[])
goto err;
}
}
+ if (!maskset && !tid && !containerset) {
+ usage();
+ goto err;
+ }
do {
int i;