linux-kernel - [PATCH -next] cgroup: Fix cgroup_can_fork() and cgroup_post

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Message-Id: <20220108063812.50370-1-yang.lee@linux.alibaba.com>
Date:   Sat,  8 Jan 2022 14:38:12 +0800
From:   Yang Li <yang.lee@...ux.alibaba.com>
To:     tj@...nel.org
Cc:     lizefan.x@...edance.com, hannes@...xchg.org,
        cgroups@...r.kernel.org, linux-kernel@...r.kernel.org,
        Yang Li <yang.lee@...ux.alibaba.com>,
        Abaci Robot <abaci@...ux.alibaba.com>
Subject: [PATCH -next] cgroup: Fix cgroup_can_fork() and cgroup_post_fork() kernel-doc comment

Add the description of @kargs in cgroup_can_fork() and
cgroup_post_fork() kernel-doc comment to remove warnings found
by running scripts/kernel-doc, which is caused by using 'make W=1'.

kernel/cgroup/cgroup.c:6235: warning: Function parameter or member
'kargs' not described in 'cgroup_can_fork'
kernel/cgroup/cgroup.c:6296: warning: Function parameter or member
'kargs' not described in 'cgroup_post_fork'

Reported-by: Abaci Robot <abaci@...ux.alibaba.com>
Signed-off-by: Yang Li <yang.lee@...ux.alibaba.com>
---
 kernel/cgroup/cgroup.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/kernel/cgroup/cgroup.c b/kernel/cgroup/cgroup.c
index b31e1465868a..37c49e1a672f 100644
--- a/kernel/cgroup/cgroup.c
+++ b/kernel/cgroup/cgroup.c
@@ -6224,6 +6224,7 @@ static void cgroup_css_set_put_fork(struct kernel_clone_args *kargs)
 /**
  * cgroup_can_fork - called on a new task before the process is exposed
  * @child: the child process
+ * @kargs: the arguments passed to create the child process
  *
  * This prepares a new css_set for the child process which the child will
  * be attached to in cgroup_post_fork().
@@ -6286,6 +6287,7 @@ void cgroup_cancel_fork(struct task_struct *child,
 /**
  * cgroup_post_fork - finalize cgroup setup for the child process
  * @child: the child process
+ * @kargs: the arguments passed to create the child process
  *
  * Attach the child process to its css_set calling the subsystem fork()
  * callbacks.
-- 
2.20.1.7.g153144c