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-rw-r--r--src/shared/cgroup-util.c33
1 files changed, 21 insertions, 12 deletions
diff --git a/src/shared/cgroup-util.c b/src/shared/cgroup-util.c
index dc0fe85ee2..f57f2b2c42 100644
--- a/src/shared/cgroup-util.c
+++ b/src/shared/cgroup-util.c
@@ -1003,19 +1003,28 @@ int cg_split_spec(const char *spec, char **controller, char **path) {
return -EINVAL;
}
- u = strdup(e+1);
- if (!u) {
- free(t);
- return -ENOMEM;
- }
- if (!path_is_safe(u) ||
- !path_is_absolute(u)) {
- free(t);
- free(u);
- return -EINVAL;
- }
+ if (streq(e+1, "")) {
+ u = strdup("/");
+ if (!u) {
+ free(t);
+ return -ENOMEM;
+ }
+ } else {
+ u = strdup(e+1);
+ if (!u) {
+ free(t);
+ return -ENOMEM;
+ }
- path_kill_slashes(u);
+ if (!path_is_safe(u) ||
+ !path_is_absolute(u)) {
+ free(t);
+ free(u);
+ return -EINVAL;
+ }
+
+ path_kill_slashes(u);
+ }
if (controller)
*controller = t;