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clang: fix some issues found with clang-analyzer
[elogind.git]
/
src
/
systemctl.c
diff --git
a/src/systemctl.c
b/src/systemctl.c
index fb3430048cd7f7aef5e9234832774513731f543a..8cdc01aa49566f2bf5275f1fc49e6fdb74e223ba 100644
(file)
--- a/
src/systemctl.c
+++ b/
src/systemctl.c
@@
-502,8
+502,10
@@
static int list_units(DBusConnection *bus, char **args, unsigned n) {
c++;
}
- qsort(unit_infos, c, sizeof(struct unit_info), compare_unit_info);
- output_units_list(unit_infos, c);
+ if (c > 0) {
+ qsort(unit_infos, c, sizeof(struct unit_info), compare_unit_info);
+ output_units_list(unit_infos, c);
+ }
r = 0;