[PATCH] cgroup: remove unneeded checks

From: Dan Carpenter
Date: Wed Aug 09 2017 - 06:25:41 EST


"descendants" and "depth" are declared as int, so they can't be larger
than INT_MAX. Static checkers complain and it's slightly confusing for
humans as well so let's just remove these conditions.

Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>

diff --git a/kernel/cgroup/cgroup.c b/kernel/cgroup/cgroup.c
index bf8a6e2db278..5988781d7128 100644
--- a/kernel/cgroup/cgroup.c
+++ b/kernel/cgroup/cgroup.c
@@ -3247,7 +3247,7 @@ static ssize_t cgroup_max_descendants_write(struct kernfs_open_file *of,
return ret;
}

- if (descendants < 0 || descendants > INT_MAX)
+ if (descendants < 0)
return -ERANGE;

cgrp = cgroup_kn_lock_live(of->kn, false);
@@ -3290,7 +3290,7 @@ static ssize_t cgroup_max_depth_write(struct kernfs_open_file *of,
return ret;
}

- if (depth < 0 || depth > INT_MAX)
+ if (depth < 0)
return -ERANGE;

cgrp = cgroup_kn_lock_live(of->kn, false);