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From: Serge Hallyn <serge.hallyn-GeWIH/nMZzLQT0dZR+AlfA@public.gmane.org>
To: Aristeu Rozanski <aris-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
Cc: cgroups-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	Tejun Heo <tj-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>,
	Serge Hallyn
	<serge.hallyn-Z7WLFzj8eWMS+FvcfC7Uqw@public.gmane.org>,
	Li Zefan <lizefan-hv44wF8Li93QT0dZR+AlfA@public.gmane.org>
Subject: Re: [PATCH] device_cgroup: fix the comment format for recently added functions
Date: Mon, 28 Apr 2014 20:31:03 +0000	[thread overview]
Message-ID: <20140428203103.GB26218@ubuntumail> (raw)
In-Reply-To: <20140424193321.GS29214-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>

Quoting Aristeu Rozanski (aris-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org):
> Moving more extensive explanations to the end of the comment.
> 
> Cc: Tejun Heo <tj-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
> Cc: Serge Hallyn <serge.hallyn-Z7WLFzj8eWMS+FvcfC7Uqw@public.gmane.org>

Acked-by: Serge E. Hallyn <serge.hallyn-GeWIH/nMZzLQT0dZR+AlfA@public.gmane.org>

> Cc: Li Zefan <lizefan-hv44wF8Li93QT0dZR+AlfA@public.gmane.org>
> Signed-off-by: Aristeu Rozanski <arozansk-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
> ---
>  security/device_cgroup.c |   33 ++++++++++++++++-----------------
>  1 files changed, 16 insertions(+), 17 deletions(-)
> 
> diff --git a/security/device_cgroup.c b/security/device_cgroup.c
> index abbe0b2..dbd2489 100644
> --- a/security/device_cgroup.c
> +++ b/security/device_cgroup.c
> @@ -306,17 +306,17 @@ static int devcgroup_seq_show(struct seq_file *m, void *v)
>  }
>  
>  /**
> - * match_exception	- iterates the exception list trying to match a rule
> - * 			  based on type, major, minor and access type. It is
> - * 			  considered a match if an exception is found that
> - * 			  will contain the entire range of provided parameters.
> + * match_exception	- iterates the exception list trying to find a complete match
>   * @exceptions: list of exceptions
>   * @type: device type (DEV_BLOCK or DEV_CHAR)
>   * @major: device file major number, ~0 to match all
>   * @minor: device file minor number, ~0 to match all
>   * @access: permission mask (ACC_READ, ACC_WRITE, ACC_MKNOD)
>   *
> - * returns: true in case it matches an exception completely
> + * It is considered a complete match if an exception is found that will
> + * contain the entire range of provided parameters.
> + *
> + * Return: true in case it matches an exception completely
>   */
>  static bool match_exception(struct list_head *exceptions, short type,
>  			    u32 major, u32 minor, short access)
> @@ -341,20 +341,19 @@ static bool match_exception(struct list_head *exceptions, short type,
>  }
>  
>  /**
> - * match_exception_partial - iterates the exception list trying to match a rule
> - * 			     based on type, major, minor and access type. It is
> - * 			     considered a match if an exception's range is
> - * 			     found to contain *any* of the devices specified by
> - * 			     provided parameters. This is used to make sure no
> - * 			     extra access is being granted that is forbidden by
> - * 			     any of the exception list.
> + * match_exception_partial - iterates the exception list trying to find a partial match
>   * @exceptions: list of exceptions
>   * @type: device type (DEV_BLOCK or DEV_CHAR)
>   * @major: device file major number, ~0 to match all
>   * @minor: device file minor number, ~0 to match all
>   * @access: permission mask (ACC_READ, ACC_WRITE, ACC_MKNOD)
>   *
> - * returns: true in case the provided range mat matches an exception completely
> + * It is considered a partial match if an exception's range is found to
> + * contain *any* of the devices specified by provided parameters. This is
> + * used to make sure no extra access is being granted that is forbidden by
> + * any of the exception list.
> + *
> + * Return: true in case the provided range mat matches an exception completely
>   */
>  static bool match_exception_partial(struct list_head *exceptions, short type,
>  				    u32 major, u32 minor, short access)
> @@ -387,13 +386,13 @@ static bool match_exception_partial(struct list_head *exceptions, short type,
>  }
>  
>  /**
> - * verify_new_ex - verifies if a new exception is part of what is allowed
> - *		   by a dev cgroup based on the default policy +
> - *		   exceptions. This is used to make sure a child cgroup
> - *		   won't have more privileges than its parent
> + * verify_new_ex - verifies if a new exception is allowed by parent cgroup's permissions
>   * @dev_cgroup: dev cgroup to be tested against
>   * @refex: new exception
>   * @behavior: behavior of the exception's dev_cgroup
> + *
> + * This is used to make sure a child cgroup won't have more privileges
> + * than its parent
>   */
>  static bool verify_new_ex(struct dev_cgroup *dev_cgroup,
>  		          struct dev_exception_item *refex,
> -- 
> 1.7.1
> 

  parent reply	other threads:[~2014-04-28 20:31 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-04-24 19:33 [PATCH] device_cgroup: fix the comment format for recently added functions Aristeu Rozanski
     [not found] ` <20140424193321.GS29214-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2014-04-28 20:31   ` Serge Hallyn [this message]
2014-05-02 15:30   ` Tejun Heo
     [not found]     ` <20140502153028.GG10204-Gd/HAXX7CRxy/B6EtB590w@public.gmane.org>
2014-05-02 15:49       ` Aristeu Rozanski
     [not found]         ` <20140502154959.GH29214-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2014-05-04 19:19           ` Tejun Heo
2014-05-04 19:21   ` Tejun Heo

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