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-rw-r--r--src/shared/bus-unit-util.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/src/shared/bus-unit-util.c b/src/shared/bus-unit-util.c
index 6fc201b885..04471e2373 100644
--- a/src/shared/bus-unit-util.c
+++ b/src/shared/bus-unit-util.c
@@ -1123,7 +1123,8 @@ static int dump_processes(
assert(n == cg->n_children);
qsort_safe(children, n, sizeof(struct CGroupInfo*), cgroup_info_compare_func);
- n_columns = MAX(LESS_BY(n_columns, 2U), 20U);
+ if (n_columns != 0)
+ n_columns = MAX(LESS_BY(n_columns, 2U), 20U);
for (i = 0; i < n; i++) {
_cleanup_free_ char *pp = NULL;