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Groups > linux.kernel > #1707255

[PATCH] cgroup: remove unneeded checks

From Dan Carpenter <dan.carpenter@oracle.com>
Newsgroups linux.kernel
Subject [PATCH] cgroup: remove unneeded checks
Date 2017-08-09 12:30 +0200
Message-ID <ucwpr-5Qr-9@gated-at.bofh.it> (permalink)
Organization linux.* mail to news gateway

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"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@oracle.com>

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);

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Thread

[PATCH] cgroup: remove unneeded checks Dan Carpenter <dan.carpenter@oracle.com> - 2017-08-09 12:30 +0200
  Re: [PATCH] cgroup: remove unneeded checks Tejun Heo <tj@kernel.org> - 2017-08-11 19:40 +0200

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