Use cgroup_all_get_from_fd() to support attaching to cgroup1 using fds.

Signed-off-by: Yosry Ahmed <yosryahmed@google.com>
---
 kernel/bpf/cgroup_iter.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/bpf/cgroup_iter.c b/kernel/bpf/cgroup_iter.c
index 0d200a993489..8bb307139748 100644
--- a/kernel/bpf/cgroup_iter.c
+++ b/kernel/bpf/cgroup_iter.c
@@ -196,7 +196,7 @@ static int bpf_iter_attach_cgroup(struct bpf_prog *prog,
 		return -EINVAL;
 
 	if (fd)
-		cgrp = cgroup_get_from_fd(fd);
+		cgrp = cgroup_all_get_from_fd(fd);
 	else if (id)
 		cgrp = cgroup_get_from_id(id);
 	else /* walk the entire hierarchy by default. */
-- 
2.38.0.rc1.362.ged0d419d3c-goog