libcutils: only change cgroup when fd is initialized

This is to avoid failues on setting non-exist cgroup

Bug: 34193533
Test: on marlin
Change-Id: I619dcba332fda9ec421df811745cf10311beddd3

parent a27a91a5

libcutils/sched_policy.cpp

+1 −1

Original line number	Diff line number	Diff line
		@@ -464,7 +464,7 @@ int set_sched_policy(int tid, SchedPolicy policy)
		break;
		}

		if (add_tid_to_cgroup(tid, fd) != 0) {
		if (fd > 0 && add_tid_to_cgroup(tid, fd) != 0) {
		if (errno != ESRCH && errno != ENOENT)
		return -errno;
		}